Postal Codes

04578 ZIP Code

Advertisement

English Español

ZIP code 04578 covers Wiscasset, Maine, with a population of about 4,608 and a median household income of $82,750.

Population
4,608138 per square mile
Median age
48.19.4 points above the US average
Median household income
$82,7501.2× the Maine median
Poverty rate
5.7%6.7 points below the US average
Typical home value
$411,025up 34.1% in five years
Median rent
$1,1901.1× the Maine median
Degree or higher
33.3%1.7 points below the US average
Homeownership
82.7%17.7 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
149

Where 04578 is

Wiscasset, 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

Population4,608
Median age48.1
Family households62.1%
Born outside the US1.9%
Speaks a language other than English at home2.2%
White (non-Hispanic)95.1%
Black (non-Hispanic)1.3%
Asian (non-Hispanic)1.2%
Hispanic or Latino0.6%
Veterans13%
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$82,750
Income per person$39,343
Poverty rate5.7%
Households on SNAP or cash assistance8.3%

Household income distribution

Under $10k1.7%
$10–15k3.2%
$15–20k0.6%
$20–25k1.7%
$25–30k2.6%
$30–35k7.7%
$35–40k6.9%
$40–45k1.5%
$45–50k5.6%
$50–60k7.6%
$60–75k9.1%
$75–100k13.1%
$100–125k16.7%
$125–150k10.5%
$150–200k7.7%
$200k or more3.9%

Income as declared to the IRS

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

Tax returns filed2,420
Mean adjusted gross income$67,308
Returns declaring $200,000 or more4.5%
Returns, under $25k27.7%
Returns, $25k–$50k25.6%
Returns, $50k–$75k17.4%
Returns, $75k–$100k10.3%
Returns, $100k–$200k14.5%
Returns, $200k or more4.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$301,700
Median gross rent$1,190
Rent as a share of household income23.4%
Owner-occupied82.7%
Vacant homes14.3%
Median year built1983

What the homes are

Detached house81.9%
Attached house0.2%
2 to 4 units8.6%
5 to 19 units1.4%
Mobile home7.7%
Boat, RV or van0.1%
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$411,025as of 2026-07
Typical home value, 1 yearup 1.1%
Typical home value, 5 yearsup 34.1%
Typical home value, 10 yearsup 120.4%
Typical home value since 2000
200020132026$411,025$125,603

$125,603 in 2000 to $411,025 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.5%
Bachelor's degree or higher33.3%
High school diploma or higher91.2%
Works from home10.6%
Drives to work alone78.4%
Takes public transport0%
Commutes 45 minutes or more14.5%
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 diabetes11.4% 0.6 pts below the national average of 12%
Currently smokes14.9% 1.7 pts above the national average of 13.2%
High blood pressure36.9% 2.8 pts above the national average of 34.1%
Fair or poor general health19% 1.3 pts below the national average of 20.3%
No health insurance (18–64)8.2% 3.1 pts below the national average of 11.3%
Depression27.9% 6 pts above the national average of 21.9%
No leisure-time physical activity22.3% 3.1 pts below the national average of 25.4%
Arthritis35.1% 10 pts above the national average of 25.1%
Binge drinking14.2% 1.8 pts below the national average of 16%
Taking blood pressure medication77.5% 2.8 pts above the national average of 74.7%
Cancer (non-skin)10.4% 2.7 pts above the national average of 7.7%
Current asthma12.6% 2.2 pts above the national average of 10.4%
Coronary heart disease7.7% 1.5 pts above the national average of 6.2%
Routine check-up in past year81.8% 5.1 pts above the national average of 76.7%
Cholesterol screening87.1% 1.2 pts above the national average of 85.9%
Cognitive disability15.4% 0.6 pts above the national average of 14.8%
Colorectal screening73.1% 8.8 pts above the national average of 64.3%
COPD8.8% 2.2 pts above the national average of 6.6%
Visited a dentist60.8% 0.5 pts below the national average of 61.3%
Any disability32.2% 1.5 pts above the national average of 30.7%
Lacks emotional support23.4% 1.4 pts below the national average of 24.8%
Food insecurity10.5% 6.6 pts below the national average of 17.1%
Received food stamps13.8% 0.5 pts below the national average of 14.3%
Hearing disability8.4% 1.7 pts above the national average of 6.7%
High cholesterol39.9% 3.7 pts above the national average of 36.2%
Housing insecurity9.6% 4.2 pts below the national average of 13.8%
Independent living disability8% same as the national average of 8.4%
Lacks transport7.3% 1.9 pts below the national average of 9.2%
Loneliness31.5% 2.9 pts below the national average of 34.4%
Mammography use76.7% 0.8 pts above the national average of 75.9%
Poor mental health (14+ days)17.9% 1.1 pts above the national average of 16.8%
Mobility disability14.7% 0.7 pts above the national average of 14%
Poor physical health (14+ days)14.6% 1.1 pts above the national average of 13.5%
Self-care disability3.6% same as the national average of 4%
Utility shut-off threat6.9% 1.9 pts below the national average of 8.8%
Sleeps under 7 hours31.5% 4.9 pts below the national average of 36.4%
Stroke3.7% same as the national average of 3.4%
All natural teeth lost9.7% 3.3 pts below the national average of 13%
Vision disability4.5% 1.1 pts below the national average of 5.6%
Advertisement
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments149
People employed1,060
Annual payroll$45,930,000
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 70.1% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss63.9 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.

Winter weather99.5Very High at its worst in this ZIP code
Ice storm98.8Very High at its worst in this ZIP code
Coastal flooding97Relatively High at its worst in this ZIP code
Lightning95.3Relatively High at its worst in this ZIP code
Hurricane90.7Relatively High at its worst in this ZIP code
Landslide88.8Relatively Low at its worst in this ZIP code
Drought84.1Relatively Low at its worst in this ZIP code
Hail69Relatively Low at its worst in this ZIP code
Wildfire68.9Relatively Low at its worst in this ZIP code
River flooding64.7Relatively Moderate at its worst in this ZIP code
Earthquake63.5Relatively Low at its worst in this ZIP code
Strong wind62.9Relatively Moderate at its worst in this ZIP code
Cold wave56.6Relatively Moderate at its worst in this ZIP code
Tornado36Relatively Low at its worst in this ZIP code
Heat wave8.7Very 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$82,750$71,773$78,538
Income per person$39,343$42,035$43,289
Poverty rate5.7%10.8%12.4%
Median home value$301,700$266,400$303,400
Median gross rent$1,190$1,084$1,348
Homeownership82.7%74%65%
Bachelor's degree or higher33.3%35.3%35%
Unemployment rate3.5%3.9%5.2%
Works from home10.6%14.1%13.5%
Born outside the US1.9%3.9%13.9%
Median age48.144.838.7
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 stationWISCASSET AP, ME US5.4 km away
Rain in a year47 in

Average high and low by month

January32.2°F / 12.1°F3.51 in rain
February35°F / 13.8°F3.08 in rain
March42.6°F / 23°F3.77 in rain
April53.9°F / 32.7°F3.94 in rain
May64.8°F / 42.3°F3.46 in rain
June73.7°F / 52°F4.47 in rain
July79.4°F / 57.9°F3.44 in rain
August78.6°F / 56.6°F3.08 in rain
September70.9°F / 49.1°F4.15 in rain
October59.1°F / 38.4°F5.13 in rain
November47.9°F / 29.4°F4.45 in rain
December37.8°F / 19.5°F4.22 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.

Wiscasset Public Schools73.7% of this ZIP code's land area
Regional School Unit 1226.3% 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 vulnerability45more vulnerable than 45% of US census tracts
Socioeconomic status47more vulnerable than 47% of US census tracts
Household characteristics23more vulnerable than 23% of US census tracts
Racial and ethnic minority status11more vulnerable than 11% of US census tracts
Housing type and transport73more vulnerable than 73% of US census tracts
Walkability6.7 out of 20Below average
Nearby ZIP codes

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

04556 Edgecomb, ME5.9 km away
04342 Dresden, ME9.4 km away
04535 Alna, ME9.7 km away
04579 Woolwich, ME10.6 km away
04573 Walpole, ME12.5 km away
04549 Isle Of Springs, ME12.8 km away
04570 Squirrel Island, ME12.8 km away
04553 Newcastle, ME12.9 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.

Lincoln County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area33.44 sq mi
Water area8.47 sq mi
Population density138 people per sq mi
Latitude, longitude44.0074, -69.6826

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.

Advertisement