Population & age
- Total population
- 882
- Median age
- 33.6
Carroll County · Population 882
NH 03817 (ZIP 03817) sits in Carroll County. The page draws on 1 federal data feed retrieved Apr 24. Top health signal: Health Insurance comes in below the national average at 5.9%. No NCES schools are mapped to this ZIP in the current dataset. 4 colleges and universities serve the area, with median in-state tuition of $13,201. IRS data shows average household income (AGI) of $77,688, well above the ~$45K national average per return. BLS QCEW reports average annual pay of $51,660 per worker, roughly 21% below the US average. BLS LAUS reports county unemployment of just 2.4% (2024), well below the ~4.0% US average and consistent with a tight local labor market. The CDC SVI flags housing & transportation (68th percentile) as this ZIP's standout vulnerability dimension, sitting well above its overall 38th-percentile score. FEMA has issued 35 federal disaster declarations affecting this ZIP since 1973 — a high-frequency exposure profile. Annual average temperature is just 43.0°F per NOAA's 1991–2020 Climate Normals — a notably cold-weather climate. USDA's Food Environment Atlas shows a strong food retail environment in this county — only 1.5% of residents are low-access and grocery density is above the national county median. New Hampshire has no state income tax, saving the local median household (AGI $77,688) approximately $3,574/year vs the US average effective state tax rate. IRS migration data (2022-2023) shows a net gain of 682 residents (256 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 $55,904, fair market rent of $1,580 for a two-bedroom, and a typical home value of $317,926, up 0.9% 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.
Studio
$1,100
/month
1 Bed
$1,240
/month
2 Bed
$1,580
/month
3 Bed
$2,180
/month
4 Bed
$2,620
/month
HUD Fair Market Rents represent the 40th percentile of standard-quality rental housing in this area. FY2026 data.
$317,926
Zillow Home Value Index (ZHVI) · as of March 2026
+0.9%
vs. March 2025
+43.9%
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.
New housing units permitted
355
Across 353 permitted buildings. Total construction value: $165.3M.
Single-family
351
99% of total units
Multifamily (2+ unit)
4
1% of total units
Single-family value
$164.7M
construction value
Multifamily value
$530,700
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.
Tax returns filed
340
Average AGI
$77,688
Avg property tax
$603
EITC participation
11.8%
Income distribution
Avg mortgage interest
—
Avg charitable contribution
—
Avg capital gains
$1,988
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 $26.4M across all reported brackets.
Business establishments
15
Total employment
33
Annual payroll
$2.6M
Average annual pay
$78,455
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.
Average annual pay
$51,660
Average weekly wage
$993
Total employment
19,693
Total establishments
2,127
That is roughly 21% 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 rate
2.4%
That is 1.6 percentage points below the US national unemployment rate of about 4.0%.
Labor force
25,552
Employed
24,944
Unemployed
608
Based on Carroll County, NH 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-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 central
Avg hours / week
22.8
across outlets in this ZIP
Avg square feet
1,624
per outlet
Outlets in this ZIP
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.
Federally Declared Disasters
35
Date Range
1973–2024
Most Recent Declaration
SEVERE WINTER STORM AND FLOODING
Winter Storm — declared July 10, 2024 (DR-4799)
Incident period: April 3, 2024 – April 5, 2024
Top Incident Types
Individual Assistance
6
Direct help to disaster survivors
Households Program
3
Housing & temporary lodging support
Public Assistance
34
Repair of public facilities & roads
Hazard Mitigation
16
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.
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
43°F
31.4° – 54.5°
Annual precipitation
52.4"
Annual snowfall
83"
Heating · cooling days
8,211.1 · 213.5
Annual base 65°F
Nearest station: TAMWORTH 4, NH US, 2.1 miles from the centroid of ZIP 03817 (ZIP 03817)
Source: NOAA National Centers for Environmental Information, 1991–2020 U.S. Climate Normals (ncei.noaa.gov). Public domain.
Years of potential life lost (per 100K)
7,555
That is roughly 645 years per 100,000 below 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
14%
of adults self-report
Poor physical health days
3.5
avg per adult per month
Poor mental health days
5.2
avg per adult per month
Uninsured
8.3%
of residents under 65
Primary care MDs
82
per 100,000 residents
Preventable hospital stays
1,674
per 100K Medicare enrollees
Food environment (0-10)
9.2
10 = best access & security
Exercise access
72%
residents near a facility
Flu vaccinated
47%
of Medicare enrollees
Low birth weight (under 2,500 g) accounts for 6.4% of live births in this county — an early-life health input that downstream outcomes track against.
Based on Carroll 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 status
Good food access — most residents near a store
1.5% of Carroll County, NH residents live more than 1 mile (urban) or 10 miles (rural) from the nearest supermarket.
Grocery stores
0.35
per 1,000 residents
Supercenters & clubs
—
per 1,000 residents
SNAP-authorized stores
0.81
accepting food benefits
Fast-food restaurants
0.75
per 1,000 residents
Per-1,000 figures show how many of each store type exist in Carroll County, NH 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).
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 · 1 reports
Property crime rate
—
per 100K residents · 33 reports
Homicide
0
Robbery
0
Burglary
4
Vehicle theft
6
County-level data for Carroll (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.
Net migration (2022-2023)
▲+682 people
+256 households • +$127.5M net AGI flow
Moved in
2,474households
4,032 people • $309.9M AGI
Moved out
2,218households
3,350 people • $182.3M AGI
Where new residents came from
Where departing residents went
Incoming households reported an average AGI of $125,259 versus departing households' $82,212.
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.
State-level rules that apply to every resident of ZIP 03817. Numbers reflect the most recent published year per source.
Income tax
None
No state income tax
Sales tax (combined)
0.00%
State 0.00% · avg local 0.00%
Property tax (effective)
2.38%
Median $5,616/year
Tax burden rank
15 of 50
9.20% of personal income
For ZIP 03817: A household at this ZIP's median AGI of $77,688 keeps approximately $3,574 more annually than residents of the typical income-tax state. Applied to this ZIP's typical home value of $317,926, that works out to roughly $7,556/year in property tax.
Program
Voluntary (private insurance framework)
Voluntary (private insurance framework)
Replacement: 60% AWW, max $2128
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).
Nearby ZIPs by distance
03875 (2.6 mi) · 03886 (3.3 mi) · 03897 (4.5 mi) · 03818 (Conway, 5.1 mi) · 03890 (5.3 mi) · 03849 (5.4 mi)
Compare ZIP-level stats — population, schools, housing, climate — across nearby areas. Source: U.S. Census Bureau ZCTA basemap.
All data on this page is sourced from federal government datasets · Not AI-generated · Methodology
Crude prevalence estimates from CDC PLACES, derived from BRFSS small-area modeling. Population-level figures only.
29.1%
3.9pp below the 33.0% national rate.
33.8%
Tracks close to the 32.0% national rate.
21.7%
Tracks close to the 22.0% national rate.
79.6%
3.6pp above the 76.0% national rate.
5.9%
7.1pp below the 13.0% national rate.
9.9%
Tracks close to the 11.0% national rate.
Colleges in this area
4
Median in-state tuition
$13,201
Median earnings (10 yr)
$54,438
Durham, NH · 03824
Portsmouth, NH · 03801
Somersworth, NH · 03878
Portsmouth, NH · 03801
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.
NH 03817 (ZIP 03817) sits in Carroll County. The page draws on 1 federal data feed retrieved Apr 24. Top health signal: Health Insurance comes in below the national average at 5.9%. No NCES schools are mapped to this ZIP in the current dataset. 4 colleges and universities serve the area, with median in-state tuition of $13,201. IRS data shows average household income (AGI) of $77,688, well above the ~$45K national average per return. BLS QCEW reports average annual pay of $51,660 per worker, roughly 21% below the US average. BLS LAUS reports county unemployment of just 2.4% (2024), well below the ~4.0% US average and consistent with a tight local labor market. The CDC SVI flags housing & transportation (68th percentile) as this ZIP's standout vulnerability dimension, sitting well above its overall 38th-percentile score. FEMA has issued 35 federal disaster declarations affecting this ZIP since 1973 — a high-frequency exposure profile. Annual average temperature is just 43.0°F per NOAA's 1991–2020 Climate Normals — a notably cold-weather climate. USDA's Food Environment Atlas shows a strong food retail environment in this county — only 1.5% of residents are low-access and grocery density is above the national county median. New Hampshire has no state income tax, saving the local median household (AGI $77,688) approximately $3,574/year vs the US average effective state tax rate. IRS migration data (2022-2023) shows a net gain of 682 residents (256 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 $55,904, fair market rent of $1,580 for a two-bedroom, and a typical home value of $317,926, up 0.9% 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.
One concrete reading worth keeping: Depression prevalence sits near the national rate at 21.7%. 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.
29.1%, which is 3.9 percentage points below the national average of 33.0% (CDC PLACES, retrieved Apr 24, 2026).
21.7%, which is 0.3 percentage points below the national average of 22.0% (CDC PLACES, retrieved Apr 24, 2026).
33.8%, which is 1.8 percentage points above the national average of 32.0% (CDC PLACES, retrieved Apr 24, 2026).
882 people live in ZIP 03817, with a median age of 33.6 (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
$55,904 per year (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
In ZIP 03817, 55.9% of occupied housing units are owner-occupied and 44.1% are renter-occupied (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
In ZIP 03817, 2.6% of workers work from home. Public transit is used by 0.0% of commuters (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
13.5% of the population in ZIP 03817 lives below the federal poverty line (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
87.2% of households in ZIP 03817 have broadband internet access (Census ACS 5-Year 2022, retrieved Apr 30, 2026).
The typical home value in ZIP 03817 is $317,926, up 0.9% from a year ago (Zillow Home Value Index, retrieved May 1, 2026).
Home values are up 0.9% over the past year and up 43.9% over the past five years (Zillow Home Value Index, retrieved May 1, 2026).
The average Adjusted Gross Income reported on tax returns from ZIP 03817 (NH 03817) is $77,688 per return (IRS SOI Tax Year 2022, retrieved May 2, 2026).
Tax returns from ZIP 03817 report an average of $603 per return in real-estate tax deductions (IRS SOI Tax Year 2022, retrieved May 2, 2026).
8.8% of tax returns from ZIP 03817 (NH 03817) report Adjusted Gross Income of $200,000 or more (IRS SOI Tax Year 2022, retrieved May 2, 2026).
As of 2022, 15 business establishments operated in ZIP 03817 employing 33 workers (Census ZIP Business Patterns, retrieved May 3, 2026).
The average annual pay across all local establishments in ZIP 03817 is $78,455, based on Census ZIP Business Patterns 2022 data (retrieved May 3, 2026).
According to the CDC Social Vulnerability Index (2022), ZIP 03817 ranks in the 38th percentile nationally for social vulnerability — a moderate vulnerability profile (retrieved May 3, 2026).
Housing Type & Transportation is the highest-scoring CDC SVI theme for ZIP 03817, ranking in the 68th percentile nationally (CDC/ATSDR Social Vulnerability Index 2022, retrieved May 3, 2026).
FEMA has recorded 35 federal disaster declarations affecting ZIP 03817 between 1973–2024 (FEMA OpenFEMA Disaster Declarations, retrieved May 3, 2026).
Severe Storm is the most common federally declared disaster type affecting ZIP 03817, accounting for 13 of 35 declarations (37%, FEMA OpenFEMA, retrieved May 3, 2026).
The most recent FEMA disaster declaration affecting ZIP 03817 was "SEVERE WINTER STORM AND FLOODING" — a winter storm declared in 2024 (DR-4799) (FEMA OpenFEMA, retrieved May 3, 2026).
4 colleges and universities are listed near ZIP 03817 by the U.S. Department of Education College Scorecard, including University Of New Hampshire-Main Campus, Great Bay Community College, and Empire Beauty School-Somersworth (retrieved May 2, 2026).
Median in-state tuition across 4 nearby institutions is $13,201 (College Scorecard, retrieved May 2, 2026).
Graduates of nearby colleges earn a median of $54,438 ten years after entry (College Scorecard, retrieved May 2, 2026).
ZIP 03817 has an average annual temperature of 43.0°F and 52.4" of annual precipitation based on the TAMWORTH 4, NH US weather station 2.1 miles from the ZIP centroid (NOAA 1991–2020 Climate Normals, retrieved May 8, 2026).
New Hampshire has no state income tax. For a household earning the local median AGI of $77,688, this saves approximately $3,574 per year compared to the national average effective state tax rate. The combined state and local sales tax rate is 0.00% (Tax Foundation 2025).
New Hampshire runs an active paid family leave program offering up to — weeks of paid leave per year, with a maximum weekly benefit of $2,128 (Bipartisan Policy Center 2026).
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 (4 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 (35 on record), climate normals from NOAA NCEI (1991-2020), county-level crime data from the FBI Crime Data Explorer (2024), and state-level tax rates from the Tax Foundation. Data is refreshed on Mubboo's standard schedule.
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 (35 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). State-level tax rates retrieved 2026-05-05 15:58:22.284+00 from the Tax Foundation.
Nearby ZIPs by distance
03875 (2.6 mi) · 03886 (3.3 mi) · 03897 (4.5 mi) · 03818 (Conway, 5.1 mi) · 03890 (5.3 mi) · 03849 (5.4 mi)
Compare ZIP-level stats — population, schools, housing, climate — across nearby areas. Source: U.S. Census Bureau ZCTA basemap.
Have a specific question about ZIP 03817?
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
38th percentile
Moderate Vulnerability
Based on 2 census tracts, population 191
Vulnerability Themes
Households Without Vehicle
7
Persons with Disability
40
Without HS Diploma
7
Without Health Insurance
12
Adults Age 65+
46
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.