Postal Codes

03856 ZIP Code

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ZIP code 03856 covers Newfields, New Hampshire, with a population of about 2,010 and a median household income of $191,625.

Population
2,010283 per square mile
Median age
43.75 points above the US average
Median household income
$191,6252.0× the New Hampshire median
Poverty rate
1.8%10.6 points below the US average
Typical home value
$870,551up 36.1% in five years
Median rent
$1,8851.3× the New Hampshire median
Degree or higher
67%32 points above the US average
Homeownership
95.9%30.9 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
48

Where 03856 is

Newfields, New Hampshire — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population2,010
Median age43.7
Family households87%
Born outside the US1.6%
Speaks a language other than English at home1.6%
White (non-Hispanic)94.5%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.8%
Hispanic or Latino1.6%
Veterans4%
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$191,625
Income per person$70,604
Poverty rate1.8%
Households on SNAP or cash assistance3.5%

Household income distribution

Under $10k0.6%
$10–15k0.0%
$15–20k1.0%
$20–25k0.6%
$25–30k0.0%
$30–35k3.2%
$35–40k0.6%
$40–45k0.5%
$45–50k0.6%
$50–60k3.3%
$60–75k4.0%
$75–100k6.8%
$100–125k6.3%
$125–150k6.3%
$150–200k18.9%
$200k or more47.2%

Income as declared to the IRS

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

Tax returns filed970
Mean adjusted gross income$174,778
Returns declaring $200,000 or more24.7%
Returns, under $25k19.6%
Returns, $25k–$50k16.5%
Returns, $50k–$75k10.3%
Returns, $75k–$100k8.2%
Returns, $100k–$200k20.6%
Returns, $200k or more24.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$617,600
Median gross rent$1,885
Owner-occupied95.9%
Vacant homes1.6%
Median year built1991

What the homes are

Detached house93.3%
Attached house3%
2 to 4 units2.2%
5 to 19 units0.5%
20 or more units0.5%
Mobile home0.6%
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$870,551as of 2026-07
Typical home value, 1 yeardown 0.2%
Typical home value, 5 yearsup 36.1%
Typical home value, 10 yearsup 96.6%
Typical home value since 2000
200020132026$872,295$399,571

$417,248 in 2000 to $870,551 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.8%
Bachelor's degree or higher67%
High school diploma or higher96.9%
Works from home23.6%
Drives to work alone69.9%
Takes public transport1.1%
Commutes 45 minutes or more15.8%
Health

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

Obesity30.1% 3.3 pts below the national average of 33.4%
Diagnosed diabetes7.9% 4.1 pts below the national average of 12%
Currently smokes8.1% 5.1 pts below the national average of 13.2%
High blood pressure32.1% 2 pts below the national average of 34.1%
Fair or poor general health10.5% 9.8 pts below the national average of 20.3%
No health insurance (18–64)4.2% 7.1 pts below the national average of 11.3%
Depression21.7% same as the national average of 21.9%
No leisure-time physical activity15.1% 10.3 pts below the national average of 25.4%
Arthritis24.8% same as the national average of 25.1%
Binge drinking16.8% 0.8 pts above the national average of 16%
Taking blood pressure medication75.6% 0.9 pts above the national average of 74.7%
Cancer (non-skin)9.7% 2 pts above the national average of 7.7%
Current asthma10% same as the national average of 10.4%
Coronary heart disease4.8% 1.4 pts below the national average of 6.2%
Routine check-up in past year79% 2.3 pts above the national average of 76.7%
Cholesterol screening90.9% 5 pts above the national average of 85.9%
Cognitive disability9.3% 5.5 pts below the national average of 14.8%
Colorectal screening73.3% 9 pts above the national average of 64.3%
COPD4.6% 2 pts below the national average of 6.6%
Visited a dentist76.3% 15 pts above the national average of 61.3%
Any disability20.2% 10.5 pts below the national average of 30.7%
Lacks emotional support17.7% 7.1 pts below the national average of 24.8%
Food insecurity6.1% 11 pts below the national average of 17.1%
Received food stamps3.6% 10.7 pts below the national average of 14.3%
Hearing disability5.8% 0.9 pts below the national average of 6.7%
High cholesterol36% same as the national average of 36.2%
Housing insecurity5.6% 8.2 pts below the national average of 13.8%
Independent living disability4.8% 3.6 pts below the national average of 8.4%
Lacks transport4% 5.2 pts below the national average of 9.2%
Loneliness26.3% 8.1 pts below the national average of 34.4%
Mammography use80% 4.1 pts above the national average of 75.9%
Poor mental health (14+ days)13.4% 3.4 pts below the national average of 16.8%
Mobility disability8.2% 5.8 pts below the national average of 14%
Poor physical health (14+ days)10% 3.5 pts below the national average of 13.5%
Self-care disability2.3% 1.7 pts below the national average of 4%
Utility shut-off threat4% 4.8 pts below the national average of 8.8%
Sleeps under 7 hours30.8% 5.6 pts below the national average of 36.4%
Stroke2.4% 1 pts below the national average of 3.4%
All natural teeth lost3.5% 9.5 pts below the national average of 13%
Vision disability2.7% 2.9 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments48
People employed469
Annual payroll$22,734,000
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 6.9% of US census tracts
FEMA ratingVery Low
Expected annual loss10.8 out of 100
Community resilience70.9 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.

Coastal flooding75.1Very Low at its worst in this ZIP code
Ice storm71.3Relatively Moderate at its worst in this ZIP code
Landslide68Very Low at its worst in this ZIP code
Hurricane60.7Relatively Low at its worst in this ZIP code
Wildfire54.8Very Low at its worst in this ZIP code
Earthquake49.2Relatively Low at its worst in this ZIP code
Tornado33.2Relatively Low at its worst in this ZIP code
Strong wind33.1Relatively Low at its worst in this ZIP code
Winter weather29.2Relatively Low at its worst in this ZIP code
Lightning24.9Relatively Low at its worst in this ZIP code
Cold wave23.5Relatively Low at its worst in this ZIP code
Hail23.2Very Low at its worst in this ZIP code
River flooding21.6Relatively Low at its worst in this ZIP code
Heat wave6.6Very Low 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$191,625$95,628$78,538
Income per person$70,604$50,867$43,289
Poverty rate1.8%7.2%12.4%
Median home value$617,600$367,200$303,400
Median gross rent$1,885$1,423$1,348
Homeownership95.9%72.5%65%
Bachelor's degree or higher67%39.8%35%
Unemployment rate2.8%3.4%5.2%
Works from home23.6%15.1%13.5%
Born outside the US1.6%6.2%13.9%
Median age43.743.238.7
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 stationDURHAM 2 SSW, NH US8.3 km away
Rain in a year47 in

Average high and low by month

January32.7°F / 14.4°F3.43 in rain
February35.7°F / 15.9°F3.53 in rain
March43.5°F / 24.1°F4.58 in rain
April56°F / 33.7°F3.96 in rain
May66.5°F / 43.3°F3.76 in rain
June75.5°F / 52.6°F3.96 in rain
July81.1°F / 58.3°F3.67 in rain
August79.9°F / 56.5°F3.45 in rain
September71.7°F / 48.7°F3.98 in rain
October60.2°F / 38.5°F4.29 in rain
November48.4°F / 29.4°F3.97 in rain
December38°F / 21.1°F4.43 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 supermarket100% of this ZIP code's area
No vehicle and far from a supermarket100% of this ZIP code's area
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.

Exeter Regional Cooperative School District50% of this ZIP code's land area
Newfields 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 vulnerability1more vulnerable than 1% of US census tracts
Socioeconomic status4more vulnerable than 4% of US census tracts
Household characteristics1more vulnerable than 1% of US census tracts
Racial and ethnic minority status7more vulnerable than 7% of US census tracts
Housing type and transport18more vulnerable than 18% of US census tracts
Walkability6.3 out of 20Below average
Nearby ZIP codes

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

03857 Newmarket, NH4.3 km away
03843 Hampton, NH4.5 km away
03885 Stratham, NH6.7 km away
03833 Exeter, NH6.7 km away
03042 Epping, NH8 km away
03861 Lee, NH9.2 km away
03824 Durham, NH10.1 km away
03840 Greenland, NH10.6 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.

Rockingham County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area7.09 sq mi
Water area0.17 sq mi
Population density283 people per sq mi
Latitude, longitude43.0374, -70.9782

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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