Postal Codes

03242 ZIP Code

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ZIP code 03242 covers Henniker, New Hampshire, with a population of about 6,161 and a median household income of $87,344.

Population
6,161140 per square mile
Median age
28.99.8 points below the US average
Median household income
$87,3449% below the New Hampshire median
Poverty rate
12.2%about the US average
Typical home value
$505,808up 34.4% in five years
Median rent
$1,07325% below the New Hampshire median
Degree or higher
42.3%7.3 points above the US average
Homeownership
63.1%1.9 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
129

Where 03242 is

Henniker, New Hampshire — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population6,161
Median age28.9
Family households58.9%
Born outside the US1.5%
Speaks a language other than English at home4.6%
White (non-Hispanic)91.9%
Black (non-Hispanic)0.8%
Asian (non-Hispanic)0%
Hispanic or Latino5.2%
Veterans2.9%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$87,344
Income per person$39,947
Poverty rate12.2%
Households on SNAP or cash assistance5.8%

Household income distribution

Under $10k1.9%
$10–15k5.1%
$15–20k7.6%
$20–25k1.5%
$25–30k1.6%
$30–35k6.4%
$35–40k2.9%
$40–45k0.8%
$45–50k1.0%
$50–60k5.3%
$60–75k10.0%
$75–100k12.6%
$100–125k8.0%
$125–150k13.9%
$150–200k7.9%
$200k or more13.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,170
Mean adjusted gross income$96,707
Returns declaring $200,000 or more9.7%
Returns, under $25k20.7%
Returns, $25k–$50k19.4%
Returns, $50k–$75k15.7%
Returns, $75k–$100k10.6%
Returns, $100k–$200k24.0%
Returns, $200k or more9.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$317,600
Median gross rent$1,073
Owner-occupied63.1%
Vacant homes7.8%
Median year built1973

What the homes are

Detached house59.6%
Attached house9.4%
2 to 4 units15.7%
5 to 19 units13.4%
20 or more units0.4%
Mobile home1.4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$505,808as of 2026-07
Typical home value, 1 yearup 2%
Typical home value, 5 yearsup 34.4%
Typical home value, 10 yearsup 108.9%
Typical home value since 2000
200020132026$505,808$176,157

$176,157 in 2000 to $505,808 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.8%
Bachelor's degree or higher42.3%
High school diploma or higher99.3%
Works from home18.7%
Drives to work alone68%
Takes public transport0%
Commutes 45 minutes or more12.8%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity29.8% 3.6 pts below the national average of 33.4%
Diagnosed diabetes6.2% 5.8 pts below the national average of 12%
Currently smokes8.3% 4.9 pts below the national average of 13.2%
High blood pressure23.1% 11 pts below the national average of 34.1%
Fair or poor general health11.9% 8.4 pts below the national average of 20.3%
No health insurance (18–64)5.9% 5.4 pts below the national average of 11.3%
Depression26.1% 4.2 pts above the national average of 21.9%
No leisure-time physical activity16.1% 9.3 pts below the national average of 25.4%
Arthritis19.4% 5.7 pts below the national average of 25.1%
Binge drinking17.8% 1.8 pts above the national average of 16%
Taking blood pressure medication68.5% 6.2 pts below the national average of 74.7%
Cancer (non-skin)6.3% 1.4 pts below the national average of 7.7%
Current asthma11.5% 1.1 pts above the national average of 10.4%
Coronary heart disease4% 2.2 pts below the national average of 6.2%
Routine check-up in past year75.8% 0.9 pts below the national average of 76.7%
Cholesterol screening82.1% 3.8 pts below the national average of 85.9%
Cognitive disability14.3% 0.5 pts below the national average of 14.8%
Colorectal screening69.7% 5.4 pts above the national average of 64.3%
COPD4.5% 2.1 pts below the national average of 6.6%
Visited a dentist69.2% 7.9 pts above the national average of 61.3%
Any disability25.2% 5.5 pts below the national average of 30.7%
Lacks emotional support21.8% 3 pts below the national average of 24.8%
Food insecurity9.5% 7.6 pts below the national average of 17.1%
Received food stamps6.4% 7.9 pts below the national average of 14.3%
Hearing disability5.1% 1.6 pts below the national average of 6.7%
High cholesterol25.6% 10.6 pts below the national average of 36.2%
Housing insecurity8.3% 5.5 pts below the national average of 13.8%
Independent living disability6.8% 1.6 pts below the national average of 8.4%
Lacks transport7% 2.2 pts below the national average of 9.2%
Loneliness33.6% 0.8 pts below the national average of 34.4%
Mammography use82% 6.1 pts above the national average of 75.9%
Poor mental health (14+ days)18.5% 1.7 pts above the national average of 16.8%
Mobility disability8.2% 5.8 pts below the national average of 14%
Poor physical health (14+ days)9.6% 3.9 pts below the national average of 13.5%
Self-care disability2.3% 1.7 pts below the national average of 4%
Utility shut-off threat5.5% 3.3 pts below the national average of 8.8%
Sleeps under 7 hours33.4% 3 pts below the national average of 36.4%
Stroke2.1% 1.3 pts below the national average of 3.4%
All natural teeth lost10.7% 2.3 pts below the national average of 13%
Vision disability3.3% 2.3 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments129
People employed2,023
Annual payroll$70,037,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 66.3% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss60 out of 100
Community resilience73.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Lightning95.2Relatively High at its worst in this ZIP code
Landslide93.5Relatively Low at its worst in this ZIP code
Ice storm92.6Relatively High at its worst in this ZIP code
Winter weather84.5Relatively High at its worst in this ZIP code
River flooding84Relatively High at its worst in this ZIP code
Hurricane83.2Relatively Moderate at its worst in this ZIP code
Drought81.7Relatively Low at its worst in this ZIP code
Strong wind73.8Relatively Moderate at its worst in this ZIP code
Heat wave62.2Relatively Moderate at its worst in this ZIP code
Tornado60.7Relatively Moderate at its worst in this ZIP code
Earthquake60Relatively Low at its worst in this ZIP code
Wildfire58.2Very Low at its worst in this ZIP code
Hail57.4Relatively Low at its worst in this ZIP code
Cold wave55.9Relatively Moderate at its worst in this ZIP code
Compared with New Hampshire and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNew HampshireUnited States
Median household income$87,344$95,628$78,538
Income per person$39,947$50,867$43,289
Poverty rate12.2%7.2%12.4%
Median home value$317,600$367,200$303,400
Median gross rent$1,073$1,423$1,348
Homeownership63.1%72.5%65%
Bachelor's degree or higher42.3%39.8%35%
Unemployment rate1.8%3.4%5.2%
Works from home18.7%15.1%13.5%
Born outside the US1.5%6.2%13.9%
Median age28.943.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationHOPKINTON LAKE, NH US5.8 km away
Rain in a year48 in

Average high and low by month

January32°F / 12.5°F3.32 in rain
February35.7°F / 11°F3.07 in rain
March43.4°F / 20.1°F3.75 in rain
April56.8°F / 31.7°F3.85 in rain
May68.7°F / 42.8°F3.67 in rain
June77.1°F / 52.2°F4.48 in rain
July82.5°F / 58°F4.28 in rain
August81°F / 55.6°F4.01 in rain
September74°F / 47.2°F4 in rain
October60.2°F / 36.6°F5.43 in rain
November47.4°F / 28.2°F3.86 in rain
December36.8°F / 19.2°F4.31 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

John Stark Regional School District50% of this ZIP code's land area
Henniker School District50% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability39more vulnerable than 39% of US census tracts
Socioeconomic status27more vulnerable than 27% of US census tracts
Household characteristics27more vulnerable than 27% of US census tracts
Racial and ethnic minority status10more vulnerable than 10% of US census tracts
Housing type and transport83more vulnerable than 83% of US census tracts
Walkability7.1 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

03229 Contoocook, NH9.9 km away
03244 Hillsborough, NH9.9 km away
03278 Warner, NH13.9 km away
03221 Bradford, NH14.3 km away
03281 Weare, NH15 km away
03440 Antrim, NH16.6 km away
03273 South Sutton, NH16.7 km away
03303 Concord, NH17.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Merrimack County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area44.12 sq mi
Water area0.68 sq mi
Population density140 people per sq mi
Latitude, longitude43.1791, -71.8159

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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