Postal Codes

03908 ZIP Code

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ZIP code 03908 covers South Berwick, Maine, with a population of about 7,384 and a median household income of $97,927.

Population
7,384231 per square mile
Median age
40.11.4 points above the US average
Median household income
$97,9271.4× the Maine median
Poverty rate
3.1%9.3 points below the US average
Typical home value
$533,043up 29.5% in five years
Median rent
$1,5351.4× the Maine median
Degree or higher
38.8%3.8 points above the US average
Homeownership
76.8%11.8 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
132

Where 03908 is

South Berwick, Maine — 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

Population7,384
Median age40.1
Family households75.7%
Born outside the US3.4%
Speaks a language other than English at home2.6%
White (non-Hispanic)91.8%
Black (non-Hispanic)0%
Asian (non-Hispanic)1.9%
Hispanic or Latino2.9%
Veterans11.4%
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$97,927
Income per person$48,480
Poverty rate3.1%
Households on SNAP or cash assistance4.5%

Household income distribution

Under $10k2.2%
$10–15k2.0%
$15–20k1.6%
$20–25k5.0%
$25–30k0.9%
$30–35k1.9%
$35–40k2.6%
$40–45k0.0%
$45–50k3.2%
$50–60k3.7%
$60–75k7.0%
$75–100k21.1%
$100–125k13.9%
$125–150k11.8%
$150–200k8.2%
$200k or more14.8%

Income as declared to the IRS

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

Tax returns filed3,930
Mean adjusted gross income$85,576
Returns declaring $200,000 or more6.4%
Returns, under $25k23.7%
Returns, $25k–$50k17.8%
Returns, $50k–$75k16.3%
Returns, $75k–$100k11.7%
Returns, $100k–$200k24.2%
Returns, $200k or more6.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$385,000
Median gross rent$1,535
Rent as a share of household income30.1%
Owner-occupied76.8%
Vacant homes11%
Median year built1982

What the homes are

Detached house76%
Attached house4%
2 to 4 units10.6%
5 to 19 units4.2%
20 or more units3.2%
Mobile home2.1%
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$533,043as of 2026-07
Typical home value, 1 yearup 2.4%
Typical home value, 5 yearsup 29.5%
Typical home value, 10 yearsup 102.2%
Typical home value since 2000
200020132026$533,043$140,111

$140,111 in 2000 to $533,043 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.2%
Bachelor's degree or higher38.8%
High school diploma or higher98.3%
Works from home14%
Drives to work alone77.7%
Takes public transport1.1%
Commutes 45 minutes or more8.6%
Health

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

Obesity31.8% 1.6 pts below the national average of 33.4%
Diagnosed diabetes8.5% 3.5 pts below the national average of 12%
Currently smokes11.4% 1.8 pts below the national average of 13.2%
High blood pressure31.1% 3 pts below the national average of 34.1%
Fair or poor general health14.2% 6.1 pts below the national average of 20.3%
No health insurance (18–64)5.6% 5.7 pts below the national average of 11.3%
Depression25.6% 3.7 pts above the national average of 21.9%
No leisure-time physical activity17.2% 8.2 pts below the national average of 25.4%
Arthritis28% 2.9 pts above the national average of 25.1%
Binge drinking18.9% 2.9 pts above the national average of 16%
Taking blood pressure medication75.5% 0.8 pts above the national average of 74.7%
Cancer (non-skin)9.5% 1.8 pts above the national average of 7.7%
Current asthma12.7% 2.3 pts above the national average of 10.4%
Coronary heart disease5.6% 0.6 pts below the national average of 6.2%
Routine check-up in past year80.2% 3.5 pts above the national average of 76.7%
Cholesterol screening88.9% 3 pts above the national average of 85.9%
Cognitive disability13.7% 1.1 pts below the national average of 14.8%
Colorectal screening70.9% 6.6 pts above the national average of 64.3%
COPD6% 0.6 pts below the national average of 6.6%
Visited a dentist69.9% 8.6 pts above the national average of 61.3%
Any disability26.7% 4 pts below the national average of 30.7%
Lacks emotional support20.8% 4 pts below the national average of 24.8%
Food insecurity6.7% 10.4 pts below the national average of 17.1%
Received food stamps8.1% 6.2 pts below the national average of 14.3%
Hearing disability6.4% same as the national average of 6.7%
High cholesterol35% 1.2 pts below the national average of 36.2%
Housing insecurity7.6% 6.2 pts below the national average of 13.8%
Independent living disability6% 2.4 pts below the national average of 8.4%
Lacks transport5.7% 3.5 pts below the national average of 9.2%
Loneliness29.9% 4.5 pts below the national average of 34.4%
Mammography use82.4% 6.5 pts above the national average of 75.9%
Poor mental health (14+ days)16.6% same as the national average of 16.8%
Mobility disability9.9% 4.1 pts below the national average of 14%
Poor physical health (14+ days)11.4% 2.1 pts below the national average of 13.5%
Self-care disability2.6% 1.4 pts below the national average of 4%
Utility shut-off threat5.6% 3.2 pts below the national average of 8.8%
Sleeps under 7 hours30.8% 5.6 pts below the national average of 36.4%
Stroke2.7% 0.7 pts below the national average of 3.4%
All natural teeth lost9.4% 3.6 pts below the national average of 13%
Vision disability3% 2.6 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments132
People employed898
Annual payroll$42,025,000
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 9.8% of US census tracts
FEMA ratingVery Low
Expected annual loss22.9 out of 100
Community resilience76.8 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.

Ice storm91.2Relatively High at its worst in this ZIP code
Hurricane79.6Relatively Moderate at its worst in this ZIP code
Drought74.3Relatively Moderate at its worst in this ZIP code
Landslide73Very Low at its worst in this ZIP code
Wildfire70.5Relatively Low at its worst in this ZIP code
Earthquake45.5Relatively Low at its worst in this ZIP code
Winter weather38.8Relatively Low at its worst in this ZIP code
Lightning34.7Relatively Low at its worst in this ZIP code
Strong wind30.2Relatively Low at its worst in this ZIP code
Tornado27.6Relatively Low at its worst in this ZIP code
Hail27.3Very Low at its worst in this ZIP code
Cold wave25Relatively Low at its worst in this ZIP code
Coastal flooding16Relatively Low at its worst in this ZIP code
River flooding13.6Relatively Low at its worst in this ZIP code
Heat wave6.7Very Low at its worst in this ZIP code
Compared with Maine 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 ZIPMaineUnited States
Median household income$97,927$71,773$78,538
Income per person$48,480$42,035$43,289
Poverty rate3.1%10.8%12.4%
Median home value$385,000$266,400$303,400
Median gross rent$1,535$1,084$1,348
Homeownership76.8%74%65%
Bachelor's degree or higher38.8%35.3%35%
Unemployment rate6.2%3.9%5.2%
Works from home14%14.1%13.5%
Born outside the US3.4%3.9%13.9%
Median age40.144.838.7
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 stationCAPE NEDDICK, ME US11.9 km away
Rain in a year52 in
Snow in a year70 in

Average high and low by month

January32°F / 14.4°F3.61 in rain, 18.5 in snow
February34.9°F / 15.9°F3.64 in rain, 20.1 in snow
March42.4°F / 23.5°F4.92 in rain, 11.6 in snow
April55.6°F / 33.6°F4.78 in rain, 2.4 in snow
May65.5°F / 44.2°F3.93 in rain
June73.6°F / 54.5°F4.46 in rain
July78.9°F / 60.5°F3.8 in rain
August78.7°F / 59.2°F3.6 in rain
September71°F / 51.4°F4.3 in rain
October59.4°F / 39.8°F5.35 in rain
November48.2°F / 30.5°F4.3 in rain, 1.5 in snow
December37.9°F / 20.8°F4.93 in rain, 16 in snow
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 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%.

School Administrative District 35100% 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 vulnerability8more vulnerable than 8% of US census tracts
Socioeconomic status6more vulnerable than 6% of US census tracts
Household characteristics21more vulnerable than 21% of US census tracts
Racial and ethnic minority status13more vulnerable than 13% of US census tracts
Housing type and transport12more vulnerable than 12% 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.

03869 Rollinsford, NH3.8 km away
03878 Somersworth, NH7.7 km away
03821 Dover, NH7.9 km away
03822 Dover, NH7.9 km away
03901 Berwick, ME8.8 km away
03820 Dover, NH9.3 km away
03903 Eliot, ME10.9 km away
03906 North Berwick, ME11.9 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.

York County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area31.9 sq mi
Water area0.51 sq mi
Population density231 people per sq mi
Latitude, longitude43.2292, -70.7859

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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