Postal Codes

04573 ZIP Code

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ZIP code 04573 covers Walpole, Maine, with a population of about 518 and a median household income of $85,682.

Population
51866 per square mile
Median age
42.23.5 points above the US average
Median household income
$85,6821.2× the Maine median
Poverty rate
1.8%10.6 points below the US average
Median home value
$397,6001.5× the Maine median
Degree or higher
60.9%25.9 points above the US average
Homeownership
100%35 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
14

Where 04573 is

Walpole, 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

Population518
Median age42.2
Family households73.9%
Born outside the US2.9%
Speaks a language other than English at home4.9%
White (non-Hispanic)92.7%
Black (non-Hispanic)1.9%
Asian (non-Hispanic)1.9%
Hispanic or Latino0.2%
Veterans9.3%
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$85,682
Income per person$39,903
Poverty rate1.8%
Households on SNAP or cash assistance2.2%

Household income distribution

Under $10k4.3%
$10–15k0.0%
$15–20k0.0%
$20–25k0.0%
$25–30k1.6%
$30–35k1.1%
$35–40k0.0%
$40–45k0.0%
$45–50k13.0%
$50–60k7.6%
$60–75k15.2%
$75–100k15.8%
$100–125k7.6%
$125–150k24.5%
$150–200k3.3%
$200k or more6.0%

Income as declared to the IRS

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

Tax returns filed270
Mean adjusted gross income$87,578
Returns declaring $200,000 or more7.4%
Returns, under $25k29.6%
Returns, $25k–$50k18.5%
Returns, $50k–$75k14.8%
Returns, $75k–$100k11.1%
Returns, $100k–$200k18.5%
Returns, $200k or more7.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$397,600
Owner-occupied100%
Vacant homes26.4%
Median year built1977

What the homes are

Detached house95.2%
2 to 4 units1.2%
Mobile home2.4%
Boat, RV or van1.2%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8.9%
Bachelor's degree or higher60.9%
High school diploma or higher97.4%
Works from home8.1%
Drives to work alone64.1%
Takes public transport0%
Commutes 45 minutes or more14.9%
Health

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

Obesity24.5% 8.9 pts below the national average of 33.4%
Diagnosed diabetes8.3% 3.7 pts below the national average of 12%
Currently smokes7.1% 6.1 pts below the national average of 13.2%
High blood pressure30.9% 3.2 pts below the national average of 34.1%
Fair or poor general health12.4% 7.9 pts below the national average of 20.3%
No health insurance (18–64)5.3% 6 pts below the national average of 11.3%
Depression25.1% 3.2 pts above the national average of 21.9%
No leisure-time physical activity15.1% 10.3 pts below the national average of 25.4%
Arthritis29.4% 4.3 pts above the national average of 25.1%
Binge drinking15.3% 0.7 pts below the national average of 16%
Taking blood pressure medication78.3% 3.6 pts above the national average of 74.7%
Cancer (non-skin)10.8% 3.1 pts above the national average of 7.7%
Current asthma11.3% 0.9 pts above the national average of 10.4%
Coronary heart disease6.4% same as the national average of 6.2%
Routine check-up in past year82.1% 5.4 pts above the national average of 76.7%
Cholesterol screening86.5% 0.6 pts above the national average of 85.9%
Cognitive disability12% 2.8 pts below the national average of 14.8%
Colorectal screening78.7% 14.4 pts above the national average of 64.3%
COPD5.4% 1.2 pts below the national average of 6.6%
Visited a dentist74.6% 13.3 pts above the national average of 61.3%
Any disability26.3% 4.4 pts below the national average of 30.7%
Lacks emotional support20% 4.8 pts below the national average of 24.8%
Food insecurity5.5% 11.6 pts below the national average of 17.1%
Received food stamps5.9% 8.4 pts below the national average of 14.3%
Hearing disability7.5% 0.8 pts above the national average of 6.7%
High cholesterol36.2% same as the national average of 36.2%
Housing insecurity5.5% 8.3 pts below the national average of 13.8%
Independent living disability5.7% 2.7 pts below the national average of 8.4%
Lacks transport5.1% 4.1 pts below the national average of 9.2%
Loneliness31.1% 3.3 pts below the national average of 34.4%
Mammography use78.8% 2.9 pts above the national average of 75.9%
Poor mental health (14+ days)15.2% 1.6 pts below the national average of 16.8%
Mobility disability10% 4 pts below the national average of 14%
Poor physical health (14+ days)10.3% 3.2 pts below the national average of 13.5%
Self-care disability2.2% 1.8 pts below the national average of 4%
Utility shut-off threat3.8% 5 pts below the national average of 8.8%
Sleeps under 7 hours25.4% 11 pts below the national average of 36.4%
Stroke2.8% 0.6 pts below the national average of 3.4%
All natural teeth lost11.4% 1.6 pts below the national average of 13%
Vision disability3% 2.6 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments14
People employed50
Annual payroll$2,599,000
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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 1.5% of US census tracts
FEMA ratingVery Low
Expected annual loss1.3 out of 100
Community resilience92.4 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 flooding90.1Relatively Moderate at its worst in this ZIP code
Winter weather86.7Relatively High at its worst in this ZIP code
Ice storm86.6Relatively Moderate at its worst in this ZIP code
Hurricane74.2Relatively Low at its worst in this ZIP code
Landslide69.9Very Low at its worst in this ZIP code
Wildfire47.7Very Low at its worst in this ZIP code
Lightning42Relatively Low at its worst in this ZIP code
Hail34.6Very Low at its worst in this ZIP code
Earthquake25.3Very Low at its worst in this ZIP code
Cold wave24.2Relatively Low at its worst in this ZIP code
Strong wind20.5Relatively Low at its worst in this ZIP code
Tornado10.5Very Low at its worst in this ZIP code
Heat wave2.4Very Low at its worst in this ZIP code
River flooding1Very 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$85,682$71,773$78,538
Income per person$39,903$42,035$43,289
Poverty rate1.8%10.8%12.4%
Median home value$397,600$266,400$303,400
Median gross rent$1,084$1,348
Homeownership100%74%65%
Bachelor's degree or higher60.9%35.3%35%
Unemployment rate8.9%3.9%5.2%
Works from home8.1%14.1%13.5%
Born outside the US2.9%3.9%13.9%
Median age42.244.838.7
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 stationNEWCASTLE, ME US10.9 km away
Rain in a year49 in
Snow in a year79 in

Average high and low by month

January30.1°F / 14.7°F3.83 in rain, 19.6 in snow
February33°F / 16.9°F3.61 in rain, 20.3 in snow
March41°F / 24.8°F4.32 in rain, 14.1 in snow
April53.5°F / 34.8°F4.17 in rain, 4.4 in snow
May64.9°F / 44.6°F3.8 in rain
June73°F / 53.7°F4.28 in rain
July78.3°F / 59.8°F3.42 in rain
August77.1°F / 59.1°F3.35 in rain
September69°F / 52.2°F4.19 in rain
October57°F / 41.8°F4.97 in rain, 0.3 in snow
November45.8°F / 32.1°F4.57 in rain, 3.5 in snow
December35.5°F / 21.9°F4.74 in rain, 16.5 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 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%.

South Bristol100% 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 vulnerability12more vulnerable than 12% of US census tracts
Socioeconomic status18more vulnerable than 18% of US census tracts
Household characteristics25more vulnerable than 25% of US census tracts
Racial and ethnic minority status3more vulnerable than 3% of US census tracts
Housing type and transport20more vulnerable than 20% 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.

04539 Bristol, ME4.5 km away
04558 Pemaquid, ME6.3 km away
04556 Edgecomb, ME6.6 km away
04564 Round Pond, ME7.2 km away
04537 Boothbay, ME8.4 km away
04549 Isle Of Springs, ME8.7 km away
04570 Squirrel Island, ME8.7 km away
04568 South Bristol, ME8.8 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.

Lincoln County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area7.9 sq mi
Water area0.14 sq mi
Population density66 people per sq mi
Latitude, longitude43.9462, -69.5516

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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