Postal Codes

04856 ZIP Code

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ZIP code 04856 covers Rockport, Maine, with a population of about 3,663 and a median household income of $93,169.

Population
3,663169 per square mile
Median age
46.67.9 points above the US average
Median household income
$93,1691.3× the Maine median
Poverty rate
7.8%4.6 points below the US average
Typical home value
$599,035up 34.9% in five years
Median rent
$1,1751.1× the Maine median
Degree or higher
48%13 points above the US average
Homeownership
76%11 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
245

Where 04856 is

Rockport, 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

Population3,663
Median age46.6
Family households78.7%
Born outside the US3%
Speaks a language other than English at home2.5%
White (non-Hispanic)94.4%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)1.6%
Hispanic or Latino0.6%
Veterans9.7%
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$93,169
Income per person$45,052
Poverty rate7.8%
Households on SNAP or cash assistance8%

Household income distribution

Under $10k1.4%
$10–15k7.2%
$15–20k0.0%
$20–25k4.8%
$25–30k1.7%
$30–35k0.7%
$35–40k3.5%
$40–45k2.8%
$45–50k3.7%
$50–60k7.0%
$60–75k6.7%
$75–100k17.7%
$100–125k17.6%
$125–150k3.5%
$150–200k7.0%
$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 filed2,020
Mean adjusted gross income$109,252
Returns declaring $200,000 or more12.9%
Returns, under $25k28.7%
Returns, $25k–$50k17.8%
Returns, $50k–$75k12.9%
Returns, $75k–$100k9.9%
Returns, $100k–$200k17.8%
Returns, $200k or more12.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$415,100
Median gross rent$1,175
Owner-occupied76%
Vacant homes26.3%
Median year built1974

What the homes are

Detached house87.7%
Attached house4.4%
2 to 4 units1.7%
5 to 19 units0.6%
20 or more units0.8%
Mobile home4.7%
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$599,035as of 2026-07
Typical home value, 1 yeardown 3.3%
Typical home value, 5 yearsup 34.9%
Typical home value, 10 yearsup 95.3%
Typical home value since 2000
200020132026$619,693$157,690

$157,690 in 2000 to $599,035 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7.5%
Bachelor's degree or higher48%
High school diploma or higher93.3%
Works from home15.3%
Drives to work alone65.4%
Takes public transport0%
Commutes 45 minutes or more4.2%
Health

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

Obesity27.5% 5.9 pts below the national average of 33.4%
Diagnosed diabetes10.8% 1.2 pts below the national average of 12%
Currently smokes12.3% 0.9 pts below the national average of 13.2%
High blood pressure35.6% 1.5 pts above the national average of 34.1%
Fair or poor general health16.1% 4.2 pts below the national average of 20.3%
No health insurance (18–64)6.8% 4.5 pts below the national average of 11.3%
Depression24.7% 2.8 pts above the national average of 21.9%
No leisure-time physical activity20% 5.4 pts below the national average of 25.4%
Arthritis34.8% 9.7 pts above the national average of 25.1%
Binge drinking13.7% 2.3 pts below the national average of 16%
Taking blood pressure medication78.7% 4 pts above the national average of 74.7%
Cancer (non-skin)11.4% 3.7 pts above the national average of 7.7%
Current asthma11.9% 1.5 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 year83.1% 6.4 pts above the national average of 76.7%
Cholesterol screening90.1% 4.2 pts above the national average of 85.9%
Cognitive disability12.6% 2.2 pts below the national average of 14.8%
Colorectal screening71.8% 7.5 pts above the national average of 64.3%
COPD8% 1.4 pts above the national average of 6.6%
Visited a dentist69.2% 7.9 pts above the national average of 61.3%
Any disability28.5% 2.2 pts below the national average of 30.7%
Lacks emotional support21.8% 3 pts below the national average of 24.8%
Food insecurity7.7% 9.4 pts below the national average of 17.1%
Received food stamps9.6% 4.7 pts below the national average of 14.3%
Hearing disability8.5% 1.8 pts above the national average of 6.7%
High cholesterol40.6% 4.4 pts above the national average of 36.2%
Housing insecurity7.5% 6.3 pts below the national average of 13.8%
Independent living disability7% 1.4 pts below the national average of 8.4%
Lacks transport6% 3.2 pts below the national average of 9.2%
Loneliness28.9% 5.5 pts below the national average of 34.4%
Mammography use81.3% 5.4 pts above the national average of 75.9%
Poor mental health (14+ days)14.4% 2.4 pts below the national average of 16.8%
Mobility disability13.6% same as the national average of 14%
Poor physical health (14+ days)13.3% same as the national average of 13.5%
Self-care disability3.3% 0.7 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 hours29% 7.4 pts below the national average of 36.4%
Stroke3.7% same as the national average of 3.4%
All natural teeth lost7.7% 5.3 pts below the national average of 13%
Vision disability4.1% 1.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments245
People employed3,078
Annual payroll$180,282,000
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 33.1% of US census tracts
FEMA ratingRelatively Low
Expected annual loss44.7 out of 100
Community resilience98.8 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.

Winter weather97.7Very High at its worst in this ZIP code
Ice storm97.5Relatively High at its worst in this ZIP code
Landslide97Relatively Moderate at its worst in this ZIP code
Coastal flooding90.7Relatively Moderate at its worst in this ZIP code
Hurricane87.3Relatively Moderate at its worst in this ZIP code
Drought81.2Relatively Low at its worst in this ZIP code
Strong wind74.2Relatively Moderate at its worst in this ZIP code
Lightning68.1Relatively Moderate at its worst in this ZIP code
Wildfire65.1Very Low at its worst in this ZIP code
Hail53Relatively Low at its worst in this ZIP code
Earthquake49.3Relatively Low at its worst in this ZIP code
Cold wave40Relatively Low at its worst in this ZIP code
Tornado25.8Very Low at its worst in this ZIP code
River flooding20.8Relatively Low at its worst in this ZIP code
Avalanche16.6Very Low at its worst in this ZIP code
Heat wave3.1Very 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$93,169$71,773$78,538
Income per person$45,052$42,035$43,289
Poverty rate7.8%10.8%12.4%
Median home value$415,100$266,400$303,400
Median gross rent$1,175$1,084$1,348
Homeownership76%74%65%
Bachelor's degree or higher48%35.3%35%
Unemployment rate7.5%3.9%5.2%
Works from home15.3%14.1%13.5%
Born outside the US3%3.9%13.9%
Median age46.644.838.7
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 stationW ROCKPORT 1 NNW, ME US4.5 km away
Rain in a year56 in
Snow in a year69 in

Average high and low by month

January30.3°F / 12°F4.75 in rain, 17.2 in snow
February32.5°F / 13.6°F4.2 in rain, 19.2 in snow
March39.6°F / 22.2°F5.01 in rain, 11.3 in snow
April51.4°F / 33.6°F5.21 in rain, 3.5 in snow
May62.4°F / 44.1°F4.22 in rain
June70.8°F / 53.5°F4.49 in rain
July76.7°F / 59.6°F3.2 in rain
August76.3°F / 59.2°F3.37 in rain
September69°F / 51.9°F4.49 in rain
October57.2°F / 40.9°F6.07 in rain, 0.2 in snow
November46.7°F / 31.1°F5.27 in rain, 2.3 in snow
December36.4°F / 20.2°F5.92 in rain, 15 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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Five Town Community School District50% of this ZIP code's land area
School Administrative District 2850% 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 vulnerability37more vulnerable than 37% of US census tracts
Socioeconomic status47more vulnerable than 47% of US census tracts
Household characteristics24more vulnerable than 24% of US census tracts
Racial and ethnic minority status4more vulnerable than 4% of US census tracts
Housing type and transport53more vulnerable than 53% of US census tracts
Walkability8.2 out of 20Below average
Nearby ZIP codes

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

04865 West Rockport, ME2.5 km away
04843 Camden, ME3 km away
04841 Rockland, ME8.7 km away
04847 Hope, ME9 km away
04850 Lincolnville Center, ME12.2 km away
04854 Owls Head, ME12.9 km away
04849 Lincolnville, ME12.9 km away
04861 Thomaston, ME14 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.

Knox County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area21.64 sq mi
Water area2.44 sq mi
Population density169 people per sq mi
Latitude, longitude44.1888, -69.0901

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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