04103 ZIP Code — Portland, ME
Cumberland County, Maine
ZIP code 04103 is located in Portland, Maine, within Cumberland County. It covers approximately 10.23 square miles and serves a population of 31,892 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 207.
About ZIP code 04103
The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $384,100. Owner-occupancy sits near the national average at 59%.
The gap between median ($81,523) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.
Educational attainment is high — 57% of residents hold a bachelor's degree or higher, well above the national average of 33%.
31,892
population
10.23
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
04103 ZIP code map
Cities in ZIP code 04103
Below are the cities the US Postal Service accepts for ZIP code 04103. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Portland | Preferred |
Nearby ZIP codes
04102 Portland (2.2 mi)
04101 Portland (2.7 mi)
04123 Portland (2.8 mi)
04122 Portland (2.8 mi)
04124 Portland (2.8 mi)
04092 Westbrook (3.2 mi)
04105 Falmouth (3.9 mi)
04106 South Portland (4.7 mi)
04108 Peaks Island (5.2 mi)
04109 Portland (5.3 mi)
04110 Cumberland Foreside (6.6 mi)
04050 Long Island (6.8 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 31,892 |
| Population density | 3,117 / sq mi |
| State FIPS | 23 |
| County FIPS | 005 |
| Geography | |
|---|---|
| Land area | 10.23 sq mi |
| Water area | 0.75 sq mi |
| Latitude | 43.6937 |
| Longitude | -70.2904 |
| Timezone | Eastern (ET) |
| Area code | 207 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 33.9% | 32.3% | 42.3% |
| $50k – $100k | 31.1% | 31.4% | 32.3% |
| $100k – $200k | 26.4% | 27.4% | 20.6% |
| Over $200k | 8.6% | 8.9% | 4.9% |
Demographics & statistics
31,892
Population
3,117
People per sq mi
37.9
Median age
$81,523
Median household income
$46,444
Per capita income
$384,100
Median home value
$1,446
Median monthly rent
58.7%
Home ownership
8.7%
Poverty rate
4.5%
Unemployment
8,687
Housing units
56.5%
Bachelor's or higher
Age distribution
Male
Female
734
Under 5
829
869
5–9
982
829
10–14
936
632
15–19
714
1,040
20–24
1,175
2,505
25–34
2,830
1,975
35–44
2,232
1,717
45–54
1,941
993
55–59
1,121
923
60–64
1,043
1,493
65–74
1,687
672
75–84
759
592
85+
669
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 6,102 | 19.1% |
| 18 and over | 25,790 | 80.9% |
| 65 and over | 5,872 | 18.4% |
| Median age | 37.9 years | |
Race & ethnicity
White
81%
Black or African American
9.5%
Asian
3.9%
Two or more races
3.3%
Hispanic or Latino
1.4%
Other race
0.8%
American Indian / Alaska Native
0.1%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 26,214 | 81% |
| Black or African American | 3,061 | 9.5% |
| Asian | 1,249 | 3.9% |
| Two or more races | 1,066 | 3.3% |
| Hispanic or Latino | 453 | 1.4% |
| Other race | 265 | 0.8% |
| American Indian / Alaska Native | 19 | 0.1% |
| Native Hawaiian / Pacific Islander | 18 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 33.9% | 32.3% | 42.3% |
| $50k – $100k | 31.1% | 31.4% | 32.3% |
| $100k – $200k | 26.4% | 27.4% | 20.6% |
| Over $200k | 8.6% | 8.9% | 4.9% |
Under $10k
3.3%
$10k–$15k
3.4%
$15k–$25k
7.6%
$25k–$35k
6.4%
$35k–$50k
10.5%
$50k–$75k
15.7%
$75k–$100k
11.8%
$100k–$150k
19.3%
$150k–$200k
10.0%
$200k+
12.0%
| Range | % of households |
|---|---|
| Under $10k | 3.3% |
| $10k–$15k | 3.4% |
| $15k–$25k | 7.6% |
| $25k–$35k | 6.4% |
| $35k–$50k | 10.5% |
| $50k–$75k | 15.7% |
| $75k–$100k | 11.8% |
| $100k–$150k | 19.3% |
| $150k–$200k | 10.0% |
| $200k+ | 12.0% |
| Median income | $81,523 |
Housing
Home values
Under $50k
1.7%
$50k–$100k
0.2%
$100k–$150k
0.8%
$150k–$200k
2.2%
$200k–$300k
28.6%
$300k–$500k
44.5%
$500k–$1M
20.6%
$1M+
1.4%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $384,100 |
| Median rent / month | $1,446 |
| Owner occupied | 58.7% |
| Renter occupied | 41.3% |
| Vacant | 6.3% |
| Single-family detached | 51.6% |
| Large apartment buildings | 9.0% |
| Mobile homes | 0.0% |
| Median rooms | 5.6 |
| Avg household size (owned) | 2.50 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 2.2% |
| 2000–2009 | 6.2% |
| 1990–1999 | 6.3% |
| 1980–1989 | 13.8% |
| 1970–1979 | 11.8% |
| 1960–1969 | 9.4% |
| 1950–1959 | 9.5% |
| 1940–1949 | 8.8% |
| 1939 or earlier | 32.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 3.7% |
| 1 bedroom | 14.8% |
| 2 bedrooms | 29.9% |
| 3 bedrooms | 34.2% |
| 4 bedrooms | 14.7% |
| 5+ bedrooms | 2.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 10.1% |
| 1 vehicle | 37.7% |
| 2 vehicles | 39.7% |
| 3 or more | 12.5% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 36.0% |
| Electricity | 12.3% |
| Propane / LP gas | 7.0% |
| Fuel oil | 42.4% |
| Wood | 0.4% |
| Solar | 0.1% |
| No fuel used | 0.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 5,412 | 40.7% |
| Cohabiting couple | 1,281 | 9.6% |
| Male householder, no spouse | 2,161 | 16.3% |
| Female householder, no spouse | 4,432 | 33.4% |
| Households with children under 18 | 3,242 | 24.4% |
| Households with seniors (65+) | 4,136 | 31.1% |
| Average household size | 2.35 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 44.4% | 36.7% |
| Married | 44.8% | 42.8% |
| Separated | 0.9% | 0.7% |
| Widowed | 2.4% | 10.2% |
| Divorced | 7.5% | 9.7% |
Education
Less than 9th grade
2.9%
Some HS, no diploma
1.1%
HS graduate
16.3%
Some college, no degree
15.9%
Associate's degree
7.3%
Bachelor's degree
33.0%
Graduate / professional
23.5%
| Metric | % |
|---|---|
| HS diploma or higher | 96.0% |
| Bachelor's or higher | 56.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 318 | 5.0% |
| Kindergarten | 311 | 4.9% |
| Elementary school | 2,688 | 42.6% |
| High school | 1,354 | 21.5% |
| College / grad school | 1,637 | 26.0% |
Employment
Industry of employment
Education & healthcare
30.9%
Professional & management
13.2%
Retail trade
11.5%
Arts, food & hospitality
8.7%
Finance & real estate
8.5%
Manufacturing
8.4%
Other services
5.1%
Transportation & utilities
3.5%
Construction
3.0%
Public administration
2.9%
Wholesale trade
2.2%
Information
1.6%
Agriculture & mining
0.4%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 56.1% |
| Service | 14.0% |
| Sales & office | 16.6% |
| Natural resources & construction | 4.1% |
| Production & transportation | 9.1% |
Employment type
| Type | % |
|---|---|
| Private sector | 80.9% |
| Government | 12.1% |
| Self-employed | 6.8% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 70.8% |
| Carpool | 7.9% |
| Public transit | 0.9% |
| Walk | 2.9% |
| Work from home | 16.0% |
| Other means | 1.5% |
| Avg commute (minutes) | 19.9 |
Poverty
All people
8.7%
Under 18 years
13.2%
18 and over
7.6%
Married-couple families
2.8%
Female-led households
11.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 29.6% |
| Retirement income | 23.8% |
| Supplemental Security | 3.4% |
| Cash public assistance | 1.9% |
| Food stamps / SNAP | 8.4% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 25.9% |
| High blood pressure | 28.0% |
| High cholesterol | 27.6% |
| Diabetes | 7.7% |
| Heart disease | 5.4% |
| Stroke | 2.5% |
| Asthma | 10.3% |
| Arthritis | 21.8% |
| Kidney disease | 2.6% |
| Pulmonary disease | 6.0% |
| Cancer | 6.7% |
| Behavior / access | % |
|---|---|
| Smoking | 12.3% |
| Binge drinking | 16.0% |
| No physical activity | 18.1% |
| Less than 7 hrs sleep | 28.8% |
| Depression | 23.7% |
| Fair or poor health | 9.9% |
| Poor mental health | 13.2% |
| Poor physical health | 7.9% |
| No health insurance | 10.3% |
| Visited doctor (checkup) | 77.1% |
| Visited dentist | 72.5% |
| Cholesterol screening | 89.3% |
| Teeth loss | 11.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,155 | 4.5% |
| Disability | % |
|---|---|
| Any disability | 11.0% |
| Under 18 | 1.4% |
| 18–64 years | 9.1% |
| 65 and over | 28.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 75.5% |
| Public insurance | 31.6% |
| No insurance | 6.0% |
| Uninsured under 19 | 1.3% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 30,329 | 95.1% |
| Spanish | 1,364 | 4.5% |
| Other Indo-European | 40 | 0.1% |
| Asian & Pacific Islander | 651 | 2.1% |
| Other languages | 242 | 0.8% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 28,239 | 88.5% |
| Born in same state | 27,919 | 87.5% |
| Born in different state | 17,766 | 55.7% |
| Foreign born | 320 | 1.0% |
| Naturalized citizen | 3,653 | 11.5% |
| Not a US citizen | 1,260 | 34.5% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 6,772 | 21.2% |
| French | 6,333 | 19.9% |
| German | 1,632 | 5.1% |
| Arab | 1,368 | 4.3% |
| Polish | 362 | 1.1% |
| Ancestry | Count | % |
|---|---|---|
| Norwegian | 258 | 0.8% |
| English | 186 | 0.6% |
| Dutch | 105 | 0.3% |
| Irish | 60 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 41.7% |
| Internet access | 92.9% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 04103
What city is ZIP code 04103 in?
ZIP code 04103 is primarily assigned to Portland, Maine.
What county is ZIP code 04103 in?
ZIP code 04103 falls within Cumberland County, Maine.
How educated is the population of ZIP code 04103?
57% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the typical home value in ZIP code 04103?
The median home value in ZIP code 04103 is $384,100.
What is the population of ZIP code 04103?
ZIP code 04103 has an estimated population of 31,892 residents, with a density of 3,117 people per square mile.
What is the median household income in ZIP code 04103?
The median household income in ZIP code 04103 is $81,523, above the national median of ~$75,000.
What timezone is ZIP code 04103 in?
ZIP code 04103 observes the EST timezone.