Postal Codes

04103 ZIP Code

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ZIP code 04103 covers Portland, Maine, with a population of about 31,705 and a median household income of $90,682.

Population
31,7053,099 per square mile
Median age
37.80.9 points below the US average
Median household income
$90,6821.3× the Maine median
Poverty rate
8.2%4.2 points below the US average
Typical home value
$538,851up 28.4% in five years
Median rent
$1,5711.4× the Maine median
Degree or higher
58.3%23.3 points above the US average
Homeownership
61.2%3.8 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
1,074

Where 04103 is

Portland, 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

Population31,705
Median age37.8
Family households55.1%
Born outside the US11.2%
Speaks a language other than English at home12.2%
White (non-Hispanic)80.4%
Black (non-Hispanic)8.9%
Asian (non-Hispanic)4.1%
Hispanic or Latino1.8%
Veterans4.2%
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$90,682
Income per person$51,655
Poverty rate8.2%
Households on SNAP or cash assistance7.7%

Household income distribution

Under $10k3.3%
$10–15k1.8%
$15–20k3.5%
$20–25k2.7%
$25–30k2.1%
$30–35k3.3%
$35–40k3.6%
$40–45k3.4%
$45–50k3.9%
$50–60k6.3%
$60–75k9.8%
$75–100k10.4%
$100–125k12.5%
$125–150k7.9%
$150–200k11.7%
$200k or more13.8%

Income as declared to the IRS

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

Tax returns filed16,460
Mean adjusted gross income$88,492
Returns declaring $200,000 or more7.4%
Returns, under $25k22.2%
Returns, $25k–$50k23.5%
Returns, $50k–$75k17.6%
Returns, $75k–$100k10.8%
Returns, $100k–$200k18.5%
Returns, $200k or more7.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$421,800
Median gross rent$1,571
Rent as a share of household income29.2%
Owner-occupied61.2%
Vacant homes6.8%
Median year built1960

What the homes are

Detached house52.5%
Attached house6.9%
2 to 4 units24.6%
5 to 19 units8.1%
20 or more units7.8%
Mobile home0.1%
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$538,851as of 2026-07
Typical home value, 1 yearup 0%
Typical home value, 5 yearsup 28.4%
Typical home value, 10 yearsup 107.7%
Typical asking rent$2,694as of 2026-07
Typical asking rent, 1 yearup 5%
Typical home value since 2000
200020132026$539,058$138,227

$138,227 in 2000 to $538,851 in 2026.

Typical asking rent
202220242026$2,694$2,235

$2,235 in 2022 to $2,694 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5%
Bachelor's degree or higher58.3%
High school diploma or higher97.2%
Works from home19.7%
Drives to work alone69.6%
Takes public transport0.7%
Commutes 45 minutes or more7.8%
Health

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

Obesity26.8% 6.6 pts below the national average of 33.4%
Diagnosed diabetes8.5% 3.5 pts below the national average of 12%
Currently smokes10.4% 2.8 pts below the national average of 13.2%
High blood pressure30.8% 3.3 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)6.4% 4.9 pts below the national average of 11.3%
Depression25.7% 3.8 pts above the national average of 21.9%
No leisure-time physical activity16.8% 8.6 pts below the national average of 25.4%
Arthritis25.7% 0.6 pts above the national average of 25.1%
Binge drinking17.6% 1.6 pts above the national average of 16%
Taking blood pressure medication72.5% 2.2 pts below the national average of 74.7%
Cancer (non-skin)8.7% 1 pts above the national average of 7.7%
Current asthma12% 1.6 pts above the national average of 10.4%
Coronary heart disease5.5% 0.7 pts below the national average of 6.2%
Routine check-up in past year79.7% 3 pts above the national average of 76.7%
Cholesterol screening87.5% 1.6 pts above the national average of 85.9%
Cognitive disability13.4% 1.4 pts below the national average of 14.8%
Colorectal screening73.6% 9.3 pts above the national average of 64.3%
COPD5.7% 0.9 pts below the national average of 6.6%
Visited a dentist70.5% 9.2 pts above the national average of 61.3%
Any disability25.7% 5 pts below the national average of 30.7%
Lacks emotional support21.8% 3 pts below the national average of 24.8%
Food insecurity8.7% 8.4 pts below the national average of 17.1%
Received food stamps11.1% 3.2 pts below the national average of 14.3%
Hearing disability6.4% same as the national average of 6.7%
High cholesterol32% 4.2 pts below the national average of 36.2%
Housing insecurity8.8% 5 pts below the national average of 13.8%
Independent living disability6.8% 1.6 pts below the national average of 8.4%
Lacks transport7.1% 2.1 pts below the national average of 9.2%
Loneliness31.9% 2.5 pts below the national average of 34.4%
Mammography use81.2% 5.3 pts above the national average of 75.9%
Poor mental health (14+ days)16.8% same as the national average of 16.8%
Mobility disability10% 4 pts below the national average of 14%
Poor physical health (14+ days)11.6% 1.9 pts below the national average of 13.5%
Self-care disability2.7% 1.3 pts below the national average of 4%
Utility shut-off threat6.7% 2.1 pts below the national average of 8.8%
Sleeps under 7 hours30% 6.4 pts below the national average of 36.4%
Stroke2.8% 0.6 pts below the national average of 3.4%
All natural teeth lost12.3% 0.7 pts below the national average of 13%
Vision disability3.4% 2.2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,074
People employed14,400
Annual payroll$745,935,000
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 25.5% of US census tracts
FEMA ratingVery Low to Relatively Low across the 9 census tracts this ZIP code covers
Expected annual loss40.8 out of 100
Community resilience98.7 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 weather97.9Very High at its worst in this ZIP code
Ice storm95.7Relatively High at its worst in this ZIP code
Hurricane83.1Relatively Moderate at its worst in this ZIP code
Lightning69.8Relatively High at its worst in this ZIP code
Hail65.4Relatively Moderate at its worst in this ZIP code
Earthquake63Relatively Low at its worst in this ZIP code
Strong wind63Relatively Moderate at its worst in this ZIP code
Wildfire45.5Very Low at its worst in this ZIP code
Cold wave43.1Relatively Moderate at its worst in this ZIP code
Landslide40.2Very Low at its worst in this ZIP code
Coastal flooding31.4Relatively Moderate at its worst in this ZIP code
River flooding22Relatively Low at its worst in this ZIP code
Heat wave20.8Relatively Low at its worst in this ZIP code
Tornado20.6Very 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$90,682$71,773$78,538
Income per person$51,655$42,035$43,289
Poverty rate8.2%10.8%12.4%
Median home value$421,800$266,400$303,400
Median gross rent$1,571$1,084$1,348
Homeownership61.2%74%65%
Bachelor's degree or higher58.3%35.3%35%
Unemployment rate5%3.9%5.2%
Works from home19.7%14.1%13.5%
Born outside the US11.2%3.9%13.9%
Median age37.844.838.7
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 stationPORTLAND INTL JETPORT, ME US4.3 km away
Rain in a year48 in
Snow in a year69 in

Average high and low by month

January32.4°F / 15.6°F3.5 in rain, 18.6 in snow
February35°F / 17.3°F3.54 in rain, 16.6 in snow
March42.3°F / 26°F4.08 in rain, 13.6 in snow
April53.8°F / 35.4°F4.41 in rain, 2.8 in snow
May64.2°F / 45.5°F3.67 in rain
June73.6°F / 55°F4.15 in rain
July79.5°F / 61.2°F3.43 in rain
August78.7°F / 59.7°F3.57 in rain
September71.1°F / 52.1°F3.77 in rain
October59.5°F / 41°F5.25 in rain, 0.2 in snow
November48.4°F / 31.7°F4.25 in rain, 2.3 in snow
December38.3°F / 22.4°F4.5 in rain, 14.6 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 supermarket9% of this ZIP code's area
Far from a supermarket29% of this ZIP code's area
No vehicle and far from a supermarket17% of this ZIP code's area
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%.

Portland100% 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 status31more vulnerable than 31% of US census tracts
Household characteristics55more vulnerable than 55% of US census tracts
Racial and ethnic minority status35more vulnerable than 35% of US census tracts
Housing type and transport60more vulnerable than 60% of US census tracts
Walkability13.2 out of 20Above average
Nearby ZIP codes

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

04102 Portland, ME3.1 km away
04101 Portland, ME3.8 km away
04104 Portland, ME3.9 km away
04112 Portland, ME3.9 km away
04122 Portland, ME3.9 km away
04123 Portland, ME3.9 km away
04124 Portland, ME3.9 km away
04105 Falmouth, ME5.5 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.

Cumberland County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area10.23 sq mi
Water area0.75 sq mi
Population density3,099 people per sq mi
Latitude, longitude43.6876, -70.2876

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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