Postal Codes

04478 ZIP Code

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ZIP code 04478 covers Rockwood, Maine, with a population of about 491.

Population
4912 per square mile
Median age
65.626.9 points above the US average
Poverty rate
2.9%9.5 points below the US average
Median home value
$368,8001.4× the Maine median
Degree or higher
29.1%5.9 points below the US average
Homeownership
88.3%23.3 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
19

Where 04478 is

Rockwood, 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

Population491
Median age65.6
Family households76.6%
Born outside the US0%
Speaks a language other than English at home2.9%
White (non-Hispanic)87%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino3.9%
Veterans22%
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

Income per person$44,806
Poverty rate2.9%
Households on SNAP or cash assistance5.2%

Household income distribution

Under $10k0.0%
$10–15k5.6%
$15–20k0.0%
$20–25k11.7%
$25–30k0.0%
$30–35k8.1%
$35–40k16.9%
$40–45k0.0%
$45–50k0.0%
$50–60k7.7%
$60–75k6.5%
$75–100k4.4%
$100–125k28.6%
$125–150k3.2%
$150–200k0.0%
$200k or more7.3%

Income as declared to the IRS

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

Tax returns filed170
Mean adjusted gross income$67,971
Returns declaring $200,000 or more0%
Returns, under $25k29.4%
Returns, $25k–$50k23.5%
Returns, $50k–$75k23.5%
Returns, $75k–$100k0.0%
Returns, $100k–$200k23.5%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$368,800
Owner-occupied88.3%
Vacant homes73.7%
Median year built1970

What the homes are

Detached house96.2%
5 to 19 units1.7%
Mobile home2.1%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher29.1%
High school diploma or higher98.3%
Works from home41.7%
Drives to work alone28.3%
Takes public transport0%
Commutes 45 minutes or more0%
Health

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

Obesity36.2% 2.8 pts above the national average of 33.4%
Diagnosed diabetes18.4% 6.4 pts above the national average of 12%
Currently smokes17.6% 4.4 pts above the national average of 13.2%
High blood pressure50.4% 16.3 pts above the national average of 34.1%
Fair or poor general health25.4% 5.1 pts above the national average of 20.3%
No health insurance (18–64)8% 3.3 pts below the national average of 11.3%
Depression24.1% 2.2 pts above the national average of 21.9%
No leisure-time physical activity30.3% 4.9 pts above the national average of 25.4%
Arthritis46.4% 21.3 pts above the national average of 25.1%
Binge drinking10% 6 pts below the national average of 16%
Taking blood pressure medication83.5% 8.8 pts above the national average of 74.7%
Cancer (non-skin)14.7% 7 pts above the national average of 7.7%
Current asthma12.5% 2.1 pts above the national average of 10.4%
Coronary heart disease13.7% 7.5 pts above the national average of 6.2%
Routine check-up in past year87.8% 11.1 pts above the national average of 76.7%
Cholesterol screening92.2% 6.3 pts above the national average of 85.9%
Cognitive disability14.8% same as the national average of 14.8%
Colorectal screening74.5% 10.2 pts above the national average of 64.3%
COPD14.2% 7.6 pts above the national average of 6.6%
Visited a dentist59.8% 1.5 pts below the national average of 61.3%
Any disability41.6% 10.9 pts above the national average of 30.7%
Lacks emotional support21.8% 3 pts below the national average of 24.8%
Food insecurity11.2% 5.9 pts below the national average of 17.1%
Received food stamps16.4% 2.1 pts above the national average of 14.3%
Hearing disability14.1% 7.4 pts above the national average of 6.7%
High cholesterol49.5% 13.3 pts above the national average of 36.2%
Housing insecurity8.5% 5.3 pts below the national average of 13.8%
Independent living disability10% 1.6 pts above the national average of 8.4%
Lacks transport7.4% 1.8 pts below the national average of 9.2%
Loneliness30.2% 4.2 pts below the national average of 34.4%
Mammography use76.5% 0.6 pts above the national average of 75.9%
Poor mental health (14+ days)15% 1.8 pts below the national average of 16.8%
Mobility disability22.6% 8.6 pts above the national average of 14%
Poor physical health (14+ days)18.9% 5.4 pts above the national average of 13.5%
Self-care disability5.4% 1.4 pts above the national average of 4%
Utility shut-off threat7.3% 1.5 pts below the national average of 8.8%
Sleeps under 7 hours35% 1.4 pts below the national average of 36.4%
Stroke6.1% 2.7 pts above the national average of 3.4%
All natural teeth lost19% 6 pts above the national average of 13%
Vision disability6.4% 0.8 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments19
People employed120
Annual payroll$3,444,000
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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 66.1% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 2 census tracts this ZIP code covers
Expected annual loss52.9 out of 100
Community resilience43.6 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.

Landslide97.6Relatively Moderate at its worst in this ZIP code
Cold wave96.1Very High at its worst in this ZIP code
Winter weather94.9Relatively High at its worst in this ZIP code
Hurricane83.7Relatively Moderate at its worst in this ZIP code
Lightning83.1Relatively High at its worst in this ZIP code
Ice storm82.1Relatively Moderate at its worst in this ZIP code
River flooding74.2Relatively High at its worst in this ZIP code
Drought72.2Very Low at its worst in this ZIP code
Wildfire59.6Very Low at its worst in this ZIP code
Avalanche55.1Very Low at its worst in this ZIP code
Earthquake48.1Relatively Low at its worst in this ZIP code
Hail44.4Relatively Low at its worst in this ZIP code
Strong wind42.2Relatively Low at its worst in this ZIP code
Tornado11Very Low at its worst in this ZIP code
Heat wave1.9Very 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$71,773$78,538
Income per person$44,806$42,035$43,289
Poverty rate2.9%10.8%12.4%
Median home value$368,800$266,400$303,400
Median gross rent$1,084$1,348
Homeownership88.3%74%65%
Bachelor's degree or higher29.1%35.3%35%
Unemployment rate0%3.9%5.2%
Works from home41.7%14.1%13.5%
Born outside the US0%3.9%13.9%
Median age65.644.838.7
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 stationPITTSTON FARMS NEPP, ME US7.4 km away
Rain in a year46 in

Average high and low by month

January21.4°F / 0.1°F2.82 in rain
February24.5°F / 0.6°F2.54 in rain
March33.8°F / 10.6°F2.83 in rain
April46.8°F / 26°F3.83 in rain
May62.7°F / 37.7°F3.99 in rain
June71.9°F / 47.9°F5.03 in rain
July76.2°F / 53.1°F4.57 in rain
August75.5°F / 50.9°F4.01 in rain
September67.8°F / 42.3°F3.53 in rain
October53.3°F / 31.6°F4.52 in rain
November39.9°F / 22.7°F4.09 in rain
December27.4°F / 10.3°F3.88 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 supermarket84% of this ZIP code's area
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.

Somerset Unorganized Territory84.2% of this ZIP code's land area
Piscataquis Unorganized Territory15.8% 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 vulnerability40more vulnerable than 40% of US census tracts
Socioeconomic status52more vulnerable than 52% of US census tracts
Household characteristics41more vulnerable than 41% of US census tracts
Racial and ethnic minority status5more vulnerable than 5% of US census tracts
Housing type and transport38more vulnerable than 38% of US census tracts
Walkability4.9 out of 20Least walkable
Nearby ZIP codes

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

04945 Jackman, ME38.5 km away
04442 Greenville Junction, ME45.1 km away
04441 Greenville, ME49.2 km away
04985 West Forks, ME54 km away
04485 Shirley Mills, ME59.4 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.

Somerset County84.2% of this ZIP code's land area
Piscataquis County15.8% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area257.61 sq mi
Water area109.3 sq mi
Population density2 people per sq mi
Latitude, longitude45.8641, -69.8768

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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