Population & age
- Total population
- 250
- Median age
- 50.5
Nobleton, FL (34661)
Hernando County · Tampa-St. Petersburg-Clearwater, FL · Population 250
Fresh.Data current as of Apr 24, 2026
Nobleton, FL (ZIP 34661) sits in Hernando County within the Tampa-St. Petersburg-Clearwater metro area. The page draws on 1 federal data feed retrieved Apr 24. Top health signal: High Blood Pressure comes in above the national average at 43.5%. No NCES schools are mapped to this ZIP in the current dataset. 9 colleges and universities serve the area, with median in-state tuition of $15,598. BLS QCEW reports average annual pay of $50,502 per worker, roughly 23% below the US average. FEMA has issued 40 federal disaster declarations affecting this ZIP since 1968 — a high-frequency exposure profile. Annual precipitation averages 51.9" — a wet-climate ZCTA per NOAA's 1991–2020 Normals. County Health Rankings reports 11,322 years of potential life lost per 100,000 (2025) — well above the national county median. 34.4% of residents in this county are flagged low-access by USDA's 2025 Food Environment Atlas — a notable supermarket-access gap. Florida has no state income tax (Tax Foundation 2025). IRS migration data (2022-2023) shows a net gain of 5,410 residents (2,517 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 $29,132, fair market rent of $1,390 for a two-bedroom, and a typical home value of $140,208, down 7.7% 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
- 86.4%
- Black
- 0.0%
- Asian
- 0.0%
- Hispanic / Latino
- 7.6%
- Other / multi-racial
- 13.6%
Income & housing
- Median household income
- $29,132
- Median home value
- $180,100
Education
- Bachelor's degree or higher (age 25+)
- 8.8%
Employment
- Unemployment rate
- 59.1%
Housing
- Owner-occupied
- 83(54.2%)
- Renter-occupied
- 70(45.8%)
- Vacant units
- 102
- Built (median)
- 1960
Commute
- Public transit
- 0(0.0%)
- Work from home
- 0(0.0%)
Economic wellbeing
- Below poverty line
- 53(21.2%)
- Uninsured
- 0(0.0%)
Digital access
- Broadband access
- 71(46.4%)
- No broadband
- 82(53.6%)
Language & nativity
- Foreign-born
- 19(7.6%)
- Non-English at home
- 0(0.0%)
Fair Market Rent
Fresh.HUD SAFMR · May 1, 2026Studio
$1,120
/month
1 Bed
$1,190
/month
2 Bed
$1,390
/month
3 Bed
$1,770
/month
4 Bed
$2,120
/month
HUD Fair Market Rents represent the 40th percentile of standard-quality rental housing in this area. FY2026 data.
Home values
Typical home value
$140,208
Zillow Home Value Index (ZHVI) · as of March 2026
Year-over-year change
-7.7%
vs. March 2025
5-year change
+21.0%
vs. March 2021
Metro area
Tampa-St. Petersburg-Clearwater, FL
Metropolitan statistical area
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.
New housing construction
New housing units permitted
2,505
Across 2,201 permitted buildings. Total construction value: $672.2M.
Single-family
2,187
87% of total units
Multifamily (2+ unit)
318
13% of total units
Single-family value
$640.8M
construction value
Multifamily value
$31.4M
construction value
Based on county-level data (2024).
Source: U.S. Census Bureau Building Permits Survey (census.gov/construction/bps). Public domain. BPS reports annual residential building permits from local permit-issuing jurisdictions, aggregated to county. A permit reflects intent to build, not a completed unit — actual construction lags by 6-24 months for multifamily projects.
Employment & wages
Average annual pay
$50,502
Average weekly wage
$971
Total employment
50,853
Total establishments
4,658
That is roughly 23% 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
4.0%
That tracks the US national unemployment rate of about 4.0%.
Labor force
91,009
Employed
87,352
Unemployed
3,657
Based on Hernando County, FL 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 transit
FTA tracks transit service at the urbanized-area level. Numbers below reflect the agencies and modes serving the area that contains this ZIP, not stop-level coverage.
Service status
Available
Spring Hill, FL
Reporting agencies
1
Largest: Hernando County Board of County Commissioners
Annual ridership
—
unlinked trips · 2024
Source: U.S. Federal Transit Administration, National Transit Database (transit.dot.gov). Public domain.
Federal Disaster Declarations
Federally Declared Disasters
40
Date Range
1968–2024
Most Recent Declaration
HURRICANE MILTON
Hurricane — declared October 11, 2024 (DR-4834)
Incident period: October 5, 2024 – November 2, 2024
Top Incident Types
- Hurricane20 (50%)
- Severe Storm6 (15%)
- Tropical Storm5 (13%)
- Freezing3 (8%)
- Biological2 (5%)
- Other4 (10%)
Individual Assistance
11
Direct help to disaster survivors
Households Program
9
Housing & temporary lodging support
Public Assistance
35
Repair of public facilities & roads
Hazard Mitigation
13
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
72.1°F
61.7° – 82.4°
Annual precipitation
51.9"
Diurnal range
20.7°F
Day-night swing
Heating · cooling days
620.7 · 3,224.1
Annual base 65°F
Nearest station: BROOKSVILLE CHIN HILL, FL US, 6.4 miles from the centroid of Nobleton, FL (ZIP 34661)
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)
11,322
That is roughly 3,122 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
19%
of adults self-report
Poor physical health days
4.6
avg per adult per month
Poor mental health days
6.0
avg per adult per month
Uninsured
14.1%
of residents under 65
Primary care MDs
56
per 100,000 residents
Preventable hospital stays
3,809
per 100K Medicare enrollees
Food environment (0-10)
7.1
10 = best access & security
Exercise access
80%
residents near a facility
Flu vaccinated
39%
of Medicare enrollees
Low birth weight (under 2,500 g) accounts for 8.7% of live births in this county — an early-life health input that downstream outcomes track against.
Based on Hernando 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
Significant food access concerns
34.4% of Hernando County, FL residents live more than 1 mile (urban) or 10 miles (rural) from the nearest supermarket.
Grocery stores
0.14
per 1,000 residents
Supercenters & clubs
0.03
per 1,000 residents
SNAP-authorized stores
0.72
accepting food benefits
Fast-food restaurants
0.52
per 1,000 residents
Among low-income residents, 12.3% are low-access — those without a supermarket within 1 mile (urban) or 10 miles (rural).
Per-1,000 figures show how many of each store type exist in Hernando County, FL 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).
Safety
FBI publishes crime data at the county level. Numbers below cover the primary county that contains this ZIP. Rates are per 100,000 residents in the area covered by reporting agencies.
Violent crime rate
—
per 100K residents · 424 reports
Property crime rate
—
per 100K residents · 2,109 reports
Homicide
11
Robbery
38
Burglary
291
Vehicle theft
126
County-level data for Hernando (2024)
Source: U.S. Federal Bureau of Investigation, Uniform Crime Reporting Program (cde.ucr.cjis.gov). Public domain. Coverage varies by reporting agency; areas with partial agency coverage may understate true crime totals.
Who’s moving in and out
Net migration (2022-2023)
▲+5,410 people
+2,517 households • +$266.1M net AGI flow
Moved in
10,967households
20,067 people • $692.7M AGI
Moved out
8,450households
14,657 people • $426.6M AGI
Where new residents came from
- Pasco County, FL — 2,001 households
- Hillsborough County, FL — 1,318 households
- Pinellas County, FL — 576 households
- Citrus County, FL — 236 households
- Miami-Dade County, FL — 130 households
Where departing residents went
- Pasco County, FL — 1,249 households
- Hillsborough County, FL — 590 households
- Citrus County, FL — 426 households
- Pinellas County, FL — 258 households
- Sumter County, FL — 119 households
Incoming households reported an average AGI of $63,160 versus departing households' $50,484.
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 Florida
State-level rules that apply to every resident of ZIP 34661. Numbers reflect the most recent published year per source.
Tax rates
Income tax
None
No state income tax
Sales tax (combined)
6.98%
State 6.00% · avg local 0.98%
Property tax (effective)
0.50%
Median $787/year
Tax burden rank
8 of 50
8.90% of personal income
For ZIP 34661: Applied to this ZIP's typical home value of $140,208, that works out to roughly $707/year in property tax.
Paid family leave
Program
Voluntary (private insurance framework)
Voluntary (private insurance framework)
Safety net
SNAP eligibility
200% 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 34661
Nearby ZIPs by distance
33513 (Bushnell, 6.2 mi) · 34601 (South Brooksville, 7.1 mi) · 34436 (Floral City, 8 mi) · 34602 (Spring Lake, 8.3 mi) · 34452 (Inverness Highlands South, 11.9 mi) · 33597 (Center Hill, 12.4 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
37.3%
4.3pp above the 33.0% national rate.
High Blood Pressure
43.5%
11.5pp above the 32.0% national rate.
Depression
20.8%
Tracks close to the 22.0% national rate.
Annual Checkup
80.2%
4.2pp above the 76.0% national rate.
Health Insurance
12.2%
Tracks close to the 13.0% national rate.
Diabetes
17.2%
6.2pp above the 11.0% national rate.
Colleges & universities nearby
Colleges in this area
9
Median in-state tuition
$15,598
Median earnings (10 yr)
$34,577
- 4-Year
Pasco-Hernando State College
New Port Richey, FL · 34654
- In-state tuition
- $3,155
- Out-of-state tuition
- $12,032
- Acceptance rate
- —
- Graduation rate
- 41.9%
- Median earnings (10 yr)
- $39,903
- Median student debt
- $9,535
- Certificate
Bene's Career Academy
New Port Richey, FL · 34652
- In-state tuition
- —
- Out-of-state tuition
- —
- Acceptance rate
- —
- Graduation rate
- 61.6%
- Median earnings (10 yr)
- $19,359
- Median student debt
- $6,333
- 2-Year
Fred K Marchman Technical College
New Port Richey, FL · 34653
- In-state tuition
- —
- Out-of-state tuition
- —
- Acceptance rate
- —
- Graduation rate
- 69.4%
- Median earnings (10 yr)
- $30,259
- Median student debt
- —
- 4-Year
ATA Career Education
Spring Hill, FL · 34606
- In-state tuition
- $14,895
- Out-of-state tuition
- $14,895
- Acceptance rate
- —
- Graduation rate
- 64.4%
- Median earnings (10 yr)
- $34,577
- Median student debt
- $21,030
- Certificate
Wilton Simpson Technical College
Brooksville, FL · 34604
- In-state tuition
- —
- Out-of-state tuition
- —
- Acceptance rate
- —
- Graduation rate
- 52.2%
- Median earnings (10 yr)
- —
- Median student debt
- —
- 4-Year
Trinity College of Florida
Trinity, FL · 34655
- In-state tuition
- $16,300
- Out-of-state tuition
- $16,300
- Acceptance rate
- 91.9%
- Graduation rate
- —
- Median earnings (10 yr)
- $32,465
- Median student debt
- $23,250
- 4-Year
Keiser University - New Port Richey
New Port Richey, FL · 34652
- In-state tuition
- $25,056
- Out-of-state tuition
- $25,056
- Acceptance rate
- —
- Graduation rate
- —
- Median earnings (10 yr)
- $39,696
- Median student debt
- $26,125
- 2-Year
Jersey College - Brooksville
Brooksville, FL · 34601
- In-state tuition
- —
- Out-of-state tuition
- —
- Acceptance rate
- —
- Graduation rate
- —
- Median earnings (10 yr)
- $66,087
- Median student debt
- $21,000
- Certificate
Wilton Simpson Technical College
Brooksville, FL · 34613
- In-state tuition
- —
- Out-of-state tuition
- —
- Acceptance rate
- —
- Graduation rate
- —
- Median earnings (10 yr)
- —
- Median student debt
- —
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
Nobleton, FL (ZIP 34661) sits in Hernando County within the Tampa-St. Petersburg-Clearwater metro area. The page draws on 1 federal data feed retrieved Apr 24. Top health signal: High Blood Pressure comes in above the national average at 43.5%. No NCES schools are mapped to this ZIP in the current dataset. 9 colleges and universities serve the area, with median in-state tuition of $15,598. BLS QCEW reports average annual pay of $50,502 per worker, roughly 23% below the US average. FEMA has issued 40 federal disaster declarations affecting this ZIP since 1968 — a high-frequency exposure profile. Annual precipitation averages 51.9" — a wet-climate ZCTA per NOAA's 1991–2020 Normals. County Health Rankings reports 11,322 years of potential life lost per 100,000 (2025) — well above the national county median. 34.4% of residents in this county are flagged low-access by USDA's 2025 Food Environment Atlas — a notable supermarket-access gap. Florida has no state income tax (Tax Foundation 2025). IRS migration data (2022-2023) shows a net gain of 5,410 residents (2,517 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 $29,132, fair market rent of $1,390 for a two-bedroom, and a typical home value of $140,208, down 7.7% 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.
- Fair market rent for a two-bedroom ($1,390/month, HUD SAFMR) represents 57% of median household income ($29,132, Census ACS) — above the 30% affordability threshold commonly used by housing experts.
- Lower median household income ($29,132, Census ACS) sits alongside an above-average 37.3% obesity rate (CDC PLACES) — a pattern that correlates with reduced healthcare access in lower-income areas.
One concrete reading worth keeping: Depression prevalence sits near the national rate at 20.8%. 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 34661
What is the obesity rate in ZIP 34661?
37.3%, which is 4.3 percentage points above the national average of 33.0% (CDC PLACES, retrieved Apr 24, 2026).
What is the depression rate in ZIP 34661?
20.8%, which is 1.2 percentage points below the national average of 22.0% (CDC PLACES, retrieved Apr 24, 2026).
What is the high blood pressure rate in ZIP 34661?
43.5%, which is 11.5 percentage points above the national average of 32.0% (CDC PLACES, retrieved Apr 24, 2026).
What is the population of ZIP 34661?
250 people live in ZIP 34661, with a median age of 50.5 (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
What is the median household income in ZIP 34661?
$29,132 per year (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
Is ZIP 34661 mostly renters or homeowners?
In ZIP 34661, 54.2% of occupied housing units are owner-occupied and 45.8% are renter-occupied (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
How do people commute in ZIP 34661?
In ZIP 34661, 0.0% of workers work from home. Public transit is used by 0.0% of commuters (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
What is the poverty rate in ZIP 34661?
21.2% of the population in ZIP 34661 lives below the federal poverty line (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
What percentage of households in ZIP 34661 have broadband internet?
46.4% of households in ZIP 34661 have broadband internet access (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
What is the typical home value in ZIP 34661?
The typical home value in ZIP 34661 is $140,208, down 7.7% from a year ago (Zillow Home Value Index, retrieved May 1, 2026).
Are home values rising or falling in ZIP 34661?
Home values are down 7.7% over the past year and up 21.0% over the past five years (Zillow Home Value Index, retrieved May 1, 2026).
How vulnerable is ZIP 34661 to disasters and public health emergencies?
According to the CDC Social Vulnerability Index (2022), ZIP 34661 ranks in the 55th percentile nationally for social vulnerability — a high vulnerability profile (retrieved May 3, 2026).
What is the biggest vulnerability factor in ZIP 34661?
Socioeconomic Status is the highest-scoring CDC SVI theme for ZIP 34661, ranking in the 75th percentile nationally (CDC/ATSDR Social Vulnerability Index 2022, retrieved May 3, 2026).
How many federally declared disasters has ZIP 34661 experienced?
FEMA has recorded 40 federal disaster declarations affecting ZIP 34661 between 1968–2024 (FEMA OpenFEMA Disaster Declarations, retrieved May 3, 2026).
What kinds of disasters most often hit ZIP 34661?
Hurricane is the most common federally declared disaster type affecting ZIP 34661, accounting for 20 of 40 declarations (50%, FEMA OpenFEMA, retrieved May 3, 2026).
What was the most recent disaster declared for ZIP 34661?
The most recent FEMA disaster declaration affecting ZIP 34661 was "HURRICANE MILTON" — a hurricane declared in 2024 (DR-4834) (FEMA OpenFEMA, retrieved May 3, 2026).
What colleges are near ZIP 34661?
9 colleges and universities are listed near ZIP 34661 by the U.S. Department of Education College Scorecard, including Pasco-Hernando State College, Bene'S Career Academy, and Fred K Marchman Technical College (retrieved May 2, 2026).
What is the average tuition at colleges near ZIP 34661?
Median in-state tuition across 9 nearby institutions is $15,598 (College Scorecard, retrieved May 2, 2026).
What do graduates earn from colleges near ZIP 34661?
Graduates of nearby colleges earn a median of $34,577 ten years after entry (College Scorecard, retrieved May 2, 2026).
What is the climate like in ZIP 34661?
ZIP 34661 has an average annual temperature of 72.1°F and 51.9" of annual precipitation based on the BROOKSVILLE CHIN HILL, FL US weather station 6.4 miles from the ZIP centroid (NOAA 1991–2020 Climate Normals, retrieved May 8, 2026).
Does ZIP 34661 have public transit?
Yes — ZIP 34661 is part of the Spring Hill, FL urbanized area, primarily served by Hernando County Board of County Commissioners (National Transit Database 2024, retrieved May 4, 2026).
What taxes apply in ZIP 34661?
Florida has no state income tax. The combined state and local sales tax rate is 6.98% (Tax Foundation 2025).
Does Florida have paid family leave?
Florida runs an active paid family leave program offering up to — weeks of paid leave per year (Bipartisan Policy Center 2026).
What data is available for ZIP 34661?
This page covers health outcomes from CDC PLACES (33 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 (9 institutions), social vulnerability scores from the CDC/ATSDR SVI (2022), federal disaster declarations from FEMA OpenFEMA (40 on record), climate normals from NOAA NCEI (1991-2020), county-level crime data from the FBI Crime Data Explorer (2024), public transit coverage from the National Transit Database (2024), 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. Social vulnerability scores retrieved May 3, 2026 from CDC/ATSDR SVI (2022). Federal disaster declarations retrieved May 3, 2026 from FEMA OpenFEMA (40 on record). Climate normals retrieved May 8, 2026 from NOAA NCEI (1991-2020). County-level crime data retrieved May 4, 2026 from the FBI Crime Data Explorer (2024). Transit coverage retrieved May 4, 2026 from the National Transit Database (2024). State-level tax rates retrieved 2026-05-05 15:58:22.284+00 from the Tax Foundation.
Other ZIPs near 34661
Nearby ZIPs by distance
33513 (Bushnell, 6.2 mi) · 34601 (South Brooksville, 7.1 mi) · 34436 (Floral City, 8 mi) · 34602 (Spring Lake, 8.3 mi) · 34452 (Inverness Highlands South, 11.9 mi) · 33597 (Center Hill, 12.4 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 34661?
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
55th percentile
High Vulnerability
Based on 1 census tract, population 762
Vulnerability Themes
Households Without Vehicle
3
Persons with Disability
168
Without HS Diploma
81
Without Health Insurance
107
Adults Age 65+
214
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.