Population & age
- Total population
- 4,299
- Median age
- 39.7
Abbeville, GA (31001)
Wilcox County · Population 4,299
Fresh.Data current as of Apr 24, 2026
Abbeville, GA (ZIP 31001) sits in Wilcox County. The page draws on 1 federal data feed retrieved Apr 24. Top health signal: High Blood Pressure comes in above the national average at 47.3%. No NCES schools are mapped to this ZIP in the current dataset. 7 colleges and universities serve the area, with median in-state tuition of $8,112. 32% of returns claim the Earned Income Tax Credit (IRS), a higher share than most ZIPs. BLS QCEW reports average annual pay of $40,801 per worker, roughly 38% below the US average. CDC's Social Vulnerability Index places this ZIP in the 80th percentile nationally — a highly vulnerable community profile. The most recent FEMA disaster declaration here was winter storm-related (SEVERE WINTER STORM, 2026). County Health Rankings reports 14,320 years of potential life lost per 100,000 (2025) — well above the national county median. Georgia levies a flat state income tax (top rate 5.39%); a household at the local median AGI of $47,423 would pay roughly $1,534/year before deductions. IRS migration data (2022-2023) shows a net gain of 57 residents (19 households) — the ZIP's primary county is growing. Healthcare access is the area's quieter strength; school options sit on the lighter side, so families may find themselves looking at districts a few ZIPs over. Notable: median household income $39,258, fair market rent of $970 for a two-bedroom, and a typical home value of $126,059, down 0.8% over the past year. Every figure on this page links to its underlying federal dataset with a retrieval date so you can audit the freshness yourself.
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Demographics
Race & ethnicity
- White
- 51.9%
- Black
- 44.4%
- Asian
- 0.0%
- Hispanic / Latino
- 3.9%
- Other / multi-racial
- 3.7%
Income & housing
- Median household income
- $39,258
- Median home value
- $72,500
Education
- Bachelor's degree or higher (age 25+)
- 9.7%
Employment
- Unemployment rate
- 9.9%
Housing
- Owner-occupied
- 551(65.7%)
- Renter-occupied
- 288(34.3%)
- Vacant units
- 372
- Built (median)
- 1984
Commute
- Public transit
- 11(1.3%)
- Work from home
- 46(5.2%)
- Avg commute
- 35.6 min
Economic wellbeing
- Below poverty line
- 898(35.5%)
- Uninsured
- 32(0.7%)
Digital access
- Broadband access
- 668(79.6%)
- No broadband
- 171(20.4%)
Language & nativity
- Foreign-born
- 139(3.2%)
- Non-English at home
- 145(3.5%)
Fair Market Rent
Fresh.HUD SAFMR · May 1, 2026Studio
$770
/month
1 Bed
$770
/month
2 Bed
$970
/month
3 Bed
$1,240
/month
4 Bed
$1,640
/month
HUD Fair Market Rents represent the 40th percentile of standard-quality rental housing in this area. FY2026 data.
Home values
Typical home value
$126,059
Zillow Home Value Index (ZHVI) · as of March 2026
Year-over-year change
-0.8%
vs. March 2025
5-year change
+15.5%
vs. March 2021
Source: Zillow Research, ZHVI All Homes (SFR, Condo/Co-op) Time Series (zillow.com/research/data). Zillow Home Value Index (ZHVI) is copyrighted by Zillow, Inc.
Income & tax statistics
Tax returns filed
880
Average AGI
$47,423
Avg property tax
$70
EITC participation
31.8%
Income distribution
- $1 – $25,00037.5% · 330
- $25,000 – $50,00029.5% · 260
- $50,000 – $75,00013.6% · 120
- $75,000 – $100,0009.1% · 80
- $100,000 – $200,00010.2% · 90
- $200,000 or more0.0% · 0
Avg mortgage interest
$99
Avg charitable contribution
$400
Avg capital gains
$1,028
Avg total income tax
—
Source: IRS Statistics of Income — Individual Income Tax Statistics by ZIP Code (irs.gov). Public domain. Dollar columns reported in thousands by the IRS; figures here display real dollars. Total ZCTA AGI for the area was $41.7M across all reported brackets.
Business & employment
Business establishments
23
Total employment
169
Annual payroll
$6.3M
Average annual pay
$37,503
Source: U.S. Census Bureau, ZIP Business Patterns (census.gov). Public domain. ZBP covers establishments with paid employees; Census suppresses employment and payroll values when fewer employers operate in a ZIP than would protect their confidentiality.
Employment & wages
Average annual pay
$40,801
Average weekly wage
$785
Total employment
1,173
Total establishments
114
That is roughly 38% below the US national average of $65,470 per worker.
Source: U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages (bls.gov/cew). Public domain. QCEW is derived from state unemployment-insurance filings and covers ~95% of US jobs. Figures are county-level totals assigned to ZIPs whose primary county matches; small-employer cells are suppressed by BLS to protect employer confidentiality.
Unemployment
Unemployment rate
3.3%
That is 0.7 percentage points below the US national unemployment rate of about 4.0%.
Labor force
2,999
Employed
2,899
Unemployed
100
Based on Wilcox County, GA data (2024).
Source: U.S. Bureau of Labor Statistics, Local Area Unemployment Statistics (bls.gov/lau). Public domain. LAUS publishes monthly and annual labor-force estimates for every US county. Figures are county-level totals assigned to ZIPs whose primary county matches.
Public libraries
Public-library outlets
1
Single library outlet
One public-library outlet serves this ZIP — typical of suburban and small-town areas. Card holders also have full access to the rest of the system's branches.
Buildings
1
1 branch
Avg hours / week
25.9
across outlets in this ZIP
Avg square feet
5,400
per outlet
Outlets in this ZIP
- 1.Wilcox County Library
Public libraries provide free WiFi, computer access, children's programming, job-seeking resources, and meeting space — community infrastructure beyond books. FY2023 outlet inventory from the federal Public Libraries Survey.
Source: Institute of Museum and Library Services (imls.gov). Per-ZIP counts of active public-library outlets — central buildings, branches, and bookmobiles — operated by federally reporting library systems.
Federal Disaster Declarations
Federally Declared Disasters
18
Date Range
1977–2026
Most Recent Declaration
SEVERE WINTER STORM
Winter Storm — declared January 24, 2026 (DR-3642)
Incident period: January 22, 2026 – January 27, 2026
Top Incident Types
- Hurricane7 (39%)
- Severe Storm3 (17%)
- Tropical Storm2 (11%)
- Biological2 (11%)
- Tornado2 (11%)
- Other2 (11%)
Individual Assistance
3
Direct help to disaster survivors
Households Program
2
Housing & temporary lodging support
Public Assistance
17
Repair of public facilities & roads
Hazard Mitigation
7
Funding to reduce future disaster risk
FEMA declares disasters at the county level; counts here include every federally declared disaster touching any county that overlaps this ZIP. Statewide declarations and pre-1964 records without county granularity are excluded. Program flags reflect which FEMA assistance categories were activated (Individual Assistance, Households, Public Assistance, Hazard Mitigation). Source: fema.gov/openfema. Public domain.
Climate
30-year averages (1991-2020) from the nearest GHCN-D weather station. Temperature and precipitation values reflect typical annual conditions, not any single year.
Avg. temperature
66.3°F
55.3° – 77.3°
Annual precipitation
47.6"
Diurnal range
22°F
Day-night swing
Heating · cooling days
1,868.9 · 2,387.3
Annual base 65°F
Nearest station: FITZGERALD, GA US, 19.1 miles from the centroid of Abbeville, GA (ZIP 31001)
Source: NOAA National Centers for Environmental Information, 1991–2020 U.S. Climate Normals (ncei.noaa.gov). Public domain.
Community health profile
Years of potential life lost (per 100K)
14,320
That is roughly 6,120 years per 100,000 above the national county median (~8,200).
Premature death is the headline composite outcome CHR reports — age-adjusted, all-cause, before age 75.
Fair or poor health
24%
of adults self-report
Poor physical health days
5.1
avg per adult per month
Poor mental health days
5.6
avg per adult per month
Uninsured
13.8%
of residents under 65
Primary care MDs
11
per 100,000 residents
Preventable hospital stays
4,283
per 100K Medicare enrollees
Food environment (0-10)
7.5
10 = best access & security
Exercise access
—
residents near a facility
Flu vaccinated
31%
of Medicare enrollees
Low birth weight (under 2,500 g) accounts for 11.5% of live births in this county — an early-life health input that downstream outcomes track against.
Based on Wilcox data (2025 CHR release).
Source: County Health Rankings & Roadmaps, University of Wisconsin Population Health Institute (countyhealthrankings.org). Annual release. Underlying source datasets vary by measure (CDC BRFSS, NCHS Vital Statistics, AHA, USDA Food Environment Atlas, and others). Figures are county-level and assigned to every ZIP whose primary county matches.
Food access
Food access status
Good food access — most residents near a store
9.9% of Wilcox County, GA residents live more than 1 mile (urban) or 10 miles (rural) from the nearest supermarket.
Grocery stores
—
per 1,000 residents
Supercenters & clubs
—
per 1,000 residents
SNAP-authorized stores
1.47
accepting food benefits
Fast-food restaurants
—
per 1,000 residents
Per-1,000 figures show how many of each store type exist in Wilcox County, GA for every 1,000 residents. Higher grocery and supercenter density usually means easier access to fresh food; higher convenience-store-only density (with low grocery rate) often signals a food swamp.
Source: USDA Economic Research Service, Food Environment Atlas (ers.usda.gov). County-level metrics fanned to ZIP via the primary county in the Census ZCTA-county relationship file. Variable years differ per family (stores ~2020, low-access ~2019).
Who’s moving in and out
Net migration (2022-2023)
▲+57 people
+19 households • +$420K net AGI flow
Moved in
166households
312 people • $6.0M AGI
Moved out
147households
255 people • $5.6M AGI
Where new residents came from
No county-level breakdown available.
Where departing residents went
- Crisp County, GA — 25 households
Incoming households reported an average AGI of $36,163 versus departing households' $37,980.
Source: U.S. Internal Revenue Service, Statistics of Income, Migration Data (irs.gov). Public domain. Migration is measured by year-over-year changes in the address on individual tax returns; figures are county-level totals attributed to ZIPs whose primary county matches. Foreign migration contributes to inflow/outflow totals but does not appear in the top-county lists. Small flows are suppressed by IRS to protect taxpayer confidentiality.
Taxes & benefits in Georgia
State-level rules that apply to every resident of ZIP 31001. Numbers reflect the most recent published year per source.
Tax rates
Income tax
5.39%
flat · 1 brackets
Sales tax (combined)
7.49%
State 4.00% · avg local 3.49%
Property tax (effective)
1.09%
Median $1,221/year
Tax burden rank
9 of 50
9.00% of personal income
For ZIP 31001: At this ZIP's median AGI of $47,423, the estimated state income tax (before deductions) runs about $1,534 per year. Applied to this ZIP's typical home value of $126,059, that works out to roughly $1,369/year in property tax.
Paid family leave
Program
No program
No program
Safety net
SNAP eligibility
130% FPL
Broad-Based Categorical Eligibility (raises gross income limit above federal 130% floor). No asset test.
Sources: Tax Foundation (state tax rates & brackets), Bipartisan Policy Center (paid family leave), USDA FNS (SNAP categorical eligibility).
Other ZIPs near 31001
Nearby ZIPs by distance
31079 (Rochelle, 7.6 mi) · 31077 (Rhine, 10.2 mi) · 31072 (Seville, 13.3 mi) · 31084 (Seville, 15.4 mi) · 31071 (Pineview, 15.8 mi) · 31023 (Eastman, 16.5 mi)
Compare ZIP-level stats — population, schools, housing, climate — across nearby areas. Source: U.S. Census Bureau ZCTA basemap.
Data sources used on this page
All data on this page is sourced from federal government datasets · Not AI-generated · Methodology
Health profile
Crude prevalence estimates from CDC PLACES, derived from BRFSS small-area modeling. Population-level figures only.
Obesity
46.2%
13.2pp above the 33.0% national rate.
High Blood Pressure
47.3%
15.3pp above the 32.0% national rate.
Depression
18.6%
3.4pp below the 22.0% national rate.
Annual Checkup
76.9%
Tracks close to the 76.0% national rate.
Health Insurance
19.9%
6.9pp above the 13.0% national rate.
Diabetes
18.3%
7.3pp above the 11.0% national rate.
Colleges & universities nearby
Colleges in this area
7
Median in-state tuition
$8,112
Median earnings (10 yr)
$39,257
- 2-Year
Central Georgia Technical College
Warner Robins, GA · 31088
- In-state tuition
- $3,448
- Out-of-state tuition
- $6,016
- Acceptance rate
- —
- Graduation rate
- 43.9%
- Median earnings (10 yr)
- $30,848
- Median student debt
- $9,608
- 4-Year
Georgia College & State University
Milledgeville, GA · 31061
- In-state tuition
- $9,186
- Out-of-state tuition
- $29,512
- Acceptance rate
- 78.2%
- Graduation rate
- 62.6%
- Median earnings (10 yr)
- $58,140
- Median student debt
- $22,250
- 4-Year
Georgia Military College
Milledgeville, GA · 31061
- In-state tuition
- $8,112
- Out-of-state tuition
- $8,112
- Acceptance rate
- —
- Graduation rate
- 35.4%
- Median earnings (10 yr)
- $39,257
- Median student debt
- $8,563
- 4-Year
Fort Valley State University
Fort Valley, GA · 31030
- In-state tuition
- $5,526
- Out-of-state tuition
- $16,932
- Acceptance rate
- 65.9%
- Graduation rate
- 43.2%
- Median earnings (10 yr)
- $36,666
- Median student debt
- $31,000
- 2-Year
Oconee Fall Line Technical College
Sandersville, GA · 31082
- In-state tuition
- $3,380
- Out-of-state tuition
- $5,948
- Acceptance rate
- —
- Graduation rate
- 54.0%
- Median earnings (10 yr)
- $30,899
- Median student debt
- $6,514
- 2-Year
Georgia Military College - Robins
Warner Robins, GA · 31093
- In-state tuition
- $8,112
- Out-of-state tuition
- $8,112
- Acceptance rate
- —
- Graduation rate
- —
- Median earnings (10 yr)
- $39,257
- Median student debt
- $8,563
- 2-Year
Georgia Military College - Dublin
Dublin, GA · 31021
- In-state tuition
- $8,112
- Out-of-state tuition
- $8,112
- Acceptance rate
- —
- Graduation rate
- —
- Median earnings (10 yr)
- $39,257
- Median student debt
- $8,563
Source: U.S. Department of Education College Scorecard (collegescorecard.ed.gov). Public domain data. Earnings figures reflect median earnings 10 years after entry for federally-aided students.
What these numbers say together
Abbeville, GA (ZIP 31001) sits in Wilcox County. The page draws on 1 federal data feed retrieved Apr 24. Top health signal: High Blood Pressure comes in above the national average at 47.3%. No NCES schools are mapped to this ZIP in the current dataset. 7 colleges and universities serve the area, with median in-state tuition of $8,112. 32% of returns claim the Earned Income Tax Credit (IRS), a higher share than most ZIPs. BLS QCEW reports average annual pay of $40,801 per worker, roughly 38% below the US average. CDC's Social Vulnerability Index places this ZIP in the 80th percentile nationally — a highly vulnerable community profile. The most recent FEMA disaster declaration here was winter storm-related (SEVERE WINTER STORM, 2026). County Health Rankings reports 14,320 years of potential life lost per 100,000 (2025) — well above the national county median. Georgia levies a flat state income tax (top rate 5.39%); a household at the local median AGI of $47,423 would pay roughly $1,534/year before deductions. IRS migration data (2022-2023) shows a net gain of 57 residents (19 households) — the ZIP's primary county is growing. Healthcare access is the area's quieter strength; school options sit on the lighter side, so families may find themselves looking at districts a few ZIPs over. Notable: median household income $39,258, fair market rent of $970 for a two-bedroom, and a typical home value of $126,059, down 0.8% over the past year. Every figure on this page links to its underlying federal dataset with a retrieval date so you can audit the freshness yourself.
The two domains pull in different directions. Healthcare access reads strong, but the on-paper school count is on the lighter side — that’s less a quality signal and more a density one. Households here often look at districts a few ZIPs over for school choice while keeping their providers local.
- With fair market rent at $970/month (HUD SAFMR) and median household income at $39,258 (Census ACS), housing costs represent approximately 30% of income.
- Lower median household income ($39,258, Census ACS) sits alongside an above-average 46.2% obesity rate (CDC PLACES) — a pattern that correlates with reduced healthcare access in lower-income areas.
One concrete reading worth keeping: Depression prevalence sits lower the national rate at 18.6%. Each figure on this page links to the original federal dataset with its retrieval date — this synthesis is a reading, not a substitute for the underlying records.
Frequently Asked Questions — ZIP 31001
What is the obesity rate in ZIP 31001?
46.2%, which is 13.2 percentage points above the national average of 33.0% (CDC PLACES, retrieved Apr 24, 2026).
What is the depression rate in ZIP 31001?
18.6%, which is 3.4 percentage points below the national average of 22.0% (CDC PLACES, retrieved Apr 24, 2026).
What is the high blood pressure rate in ZIP 31001?
47.3%, which is 15.3 percentage points above the national average of 32.0% (CDC PLACES, retrieved Apr 24, 2026).
What is the population of ZIP 31001?
4,299 people live in ZIP 31001, with a median age of 39.7 (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
What is the median household income in ZIP 31001?
$39,258 per year (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
Is ZIP 31001 mostly renters or homeowners?
In ZIP 31001, 65.7% of occupied housing units are owner-occupied and 34.3% are renter-occupied (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
How do people commute in ZIP 31001?
In ZIP 31001, 5.2% of workers work from home. Public transit is used by 1.3% of commuters (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
What is the poverty rate in ZIP 31001?
35.5% of the population in ZIP 31001 lives below the federal poverty line (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
What percentage of households in ZIP 31001 have broadband internet?
79.6% of households in ZIP 31001 have broadband internet access (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
What is the typical home value in ZIP 31001?
The typical home value in ZIP 31001 is $126,059, down 0.8% from a year ago (Zillow Home Value Index, retrieved May 1, 2026).
Are home values rising or falling in ZIP 31001?
Home values are down 0.8% over the past year and up 15.5% over the past five years (Zillow Home Value Index, retrieved May 1, 2026).
What is the average household income in ZIP 31001?
The average Adjusted Gross Income reported on tax returns from ZIP 31001 (Abbeville, GA) is $47,423 per return (IRS SOI Tax Year 2022, retrieved May 2, 2026).
How much do homeowners pay in property tax in ZIP 31001?
Tax returns from ZIP 31001 report an average of $70 per return in real-estate tax deductions (IRS SOI Tax Year 2022, retrieved May 2, 2026).
What percentage of residents in ZIP 31001 earn over $200,000?
0.0% of tax returns from ZIP 31001 (Abbeville, GA) report Adjusted Gross Income of $200,000 or more (IRS SOI Tax Year 2022, retrieved May 2, 2026).
How many businesses are in ZIP 31001?
As of 2022, 23 business establishments operated in ZIP 31001 employing 169 workers (Census ZIP Business Patterns, retrieved May 3, 2026).
What is the average salary in ZIP 31001?
The average annual pay across all local establishments in ZIP 31001 is $37,503, based on Census ZIP Business Patterns 2022 data (retrieved May 3, 2026).
How vulnerable is ZIP 31001 to disasters and public health emergencies?
According to the CDC Social Vulnerability Index (2022), ZIP 31001 ranks in the 80th percentile nationally for social vulnerability — a very high vulnerability profile (retrieved May 3, 2026).
What is the biggest vulnerability factor in ZIP 31001?
Housing Type & Transportation is the highest-scoring CDC SVI theme for ZIP 31001, ranking in the 84th percentile nationally (CDC/ATSDR Social Vulnerability Index 2022, retrieved May 3, 2026).
How many federally declared disasters has ZIP 31001 experienced?
FEMA has recorded 18 federal disaster declarations affecting ZIP 31001 between 1977–2026 (FEMA OpenFEMA Disaster Declarations, retrieved May 3, 2026).
What kinds of disasters most often hit ZIP 31001?
Hurricane is the most common federally declared disaster type affecting ZIP 31001, accounting for 7 of 18 declarations (39%, FEMA OpenFEMA, retrieved May 3, 2026).
What was the most recent disaster declared for ZIP 31001?
The most recent FEMA disaster declaration affecting ZIP 31001 was "SEVERE WINTER STORM" — a winter storm declared in 2026 (DR-3642) (FEMA OpenFEMA, retrieved May 3, 2026).
What colleges are near ZIP 31001?
7 colleges and universities are listed near ZIP 31001 by the U.S. Department of Education College Scorecard, including Central Georgia Technical College, Georgia College & State University, and Georgia Military College (retrieved May 2, 2026).
What is the average tuition at colleges near ZIP 31001?
Median in-state tuition across 7 nearby institutions is $8,112 (College Scorecard, retrieved May 2, 2026).
What do graduates earn from colleges near ZIP 31001?
Graduates of nearby colleges earn a median of $39,257 ten years after entry (College Scorecard, retrieved May 2, 2026).
What is the climate like in ZIP 31001?
ZIP 31001 has an average annual temperature of 66.3°F and 47.6" of annual precipitation based on the FITZGERALD, GA US weather station 19.1 miles from the ZIP centroid (NOAA 1991–2020 Climate Normals, retrieved May 8, 2026).
What taxes apply in ZIP 31001?
Georgia has a flat income tax with a top rate of 5.39%. Households at the local median AGI of $47,423 would pay roughly $1,534 in state income tax annually (estimated, before deductions). Combined sales tax: 7.49% (Tax Foundation 2025).
Does Georgia have paid family leave?
Georgia has no state paid family leave program (Bipartisan Policy Center 2026).
What data is available for ZIP 31001?
This page covers health outcomes from CDC PLACES (40 metrics), demographics from the Census ACS 5-Year (2022), home values from the Zillow Home Value Index, colleges from the U.S. Department of Education College Scorecard (7 institutions), income & tax statistics from the IRS SOI (Tax Year 2022), local business & employment from Census ZIP Business Patterns (2022), social vulnerability scores from the CDC/ATSDR SVI (2022), federal disaster declarations from FEMA OpenFEMA (18 on record), climate normals from NOAA NCEI (1991-2020), and state-level tax rates from the Tax Foundation. Data is refreshed on Mubboo's standard schedule.
How current is this data?
Health data retrieved Apr 24, 2026 from CDC PLACES. Demographics retrieved Apr 30, 2026 from Census ACS 5-Year (2022). Home values retrieved May 1, 2026 from Zillow Research. College data retrieved May 2, 2026 from U.S. Dept of Education College Scorecard. Income & tax statistics retrieved May 2, 2026 from IRS SOI (Tax Year 2022). Business & employment retrieved May 3, 2026 from Census ZBP (2022). Social vulnerability scores retrieved May 3, 2026 from CDC/ATSDR SVI (2022). Federal disaster declarations retrieved May 3, 2026 from FEMA OpenFEMA (18 on record). Climate normals retrieved May 8, 2026 from NOAA NCEI (1991-2020). State-level tax rates retrieved 2026-05-05 15:58:22.284+00 from the Tax Foundation.
Other ZIPs near 31001
Nearby ZIPs by distance
31079 (Rochelle, 7.6 mi) · 31077 (Rhine, 10.2 mi) · 31072 (Seville, 13.3 mi) · 31084 (Seville, 15.4 mi) · 31071 (Pineview, 15.8 mi) · 31023 (Eastman, 16.5 mi)
Compare ZIP-level stats — population, schools, housing, climate — across nearby areas. Source: U.S. Census Bureau ZCTA basemap.
More Info topics
Have a specific question about ZIP 31001?
Ask Mubboo — launching Q4 2026.
Data refreshed via Mubboo's ETL pipeline; oldest source on this page retrieved Apr 24, 2026.
Social Vulnerability Index
Overall SVI
80th percentile
Very High Vulnerability
Based on 3 census tracts, population 4,969
Vulnerability Themes
Households Without Vehicle
106
Limited English Speakers
64
Persons with Disability
388
Without HS Diploma
715
Without Health Insurance
433
Adults Age 65+
796
The Social Vulnerability Index uses U.S. Census data to identify communities most at risk during public health emergencies and natural disasters. Higher percentiles indicate greater vulnerability. Tract-level scores are aggregated to this ZCTA via Census 2020 ZCTA→Tract crosswalk, weighted by land-area share. Source: atsdr.cdc.gov. Public domain.