ZIP Code 04103 in Portland, ME

Data Last Updated: October 1, 2025
City:Portland, Maine
County:Cumberland County
Timezone:Eastern (GMT -05:00)
Local Time:8:19:20 PM
Population:31,185 [See All]
Area Code:207
Classification:Standard [Normal Street Delivery]
Coordinates:43.6937, -70.2904
Land Area:10.229 sq mi
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Population & Demographics


ZIP Code 04103 has 31,185 residents and 13,620 households (average 2.24 persons per household). The median age is 39.6 years, younger than the state (45.1) and about the same as the nation (38.8). The gender split is 47.2% male and 52.8% female, which is slightly lower than the national male share (49.1%), making this a female-majority area. Largest groups are White (80.5%, much lower than the state average of 90.8% and well above the national average of 61.6%) and Black or African American (9.3%, much higher than the state average of 1.9%); Hispanic or Latino residents make up 2.9%, which is much lower than the national average (18.7%).

Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:31,185Source: Census DHC
2023 ACS Population Estimate:31,705Source: Census ACS
2025 ZC Population Estimate:31,769Source: ZIP-Codes.com
Population Density:3,048.7 people per sq mile
Average Income:$90,682Source: Census ACS
Households:13,620Source: Census DHC
Average House Value:$421,800Source: Census ACS
Persons Per Household:2.24Source: Census DHC
Average Family Size:3.25Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--30,85730,63930,35430,21130,59130,72930,80730,97030,78730,62832,01131,89231,705
Decennial Census30,606------------------31,185------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 39.6

Male Median Age: 37.8

Female Median Age: 41.8

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male7847747957908511,3201,3341,200936841920946940802627322243282
Female7577347196951,0031,3931,3961,2089309169691,1631,139948764570423751
Total1,5411,5081,5141,4851,8542,7132,7302,4081,8661,7571,8892,1092,0791,7501,3918926661,033
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:25,11882.25%
Black:2,9099.53%
Hispanic:*8992.94%
Asian:1,1193.66%
American Indian:770.25%
Hawaiian:150.05%
Other:4031.32%
Total:30,540100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:14,70747.16%37.8 years
Females:16,47852.84%41.8 years
Total:31,185100%39.6 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:27,78687.64%
Native, born in PR, Island Areas, or abroad:3591.13%
Foreign born, naturalized U.S. citizen:1,3364.21%
Foreign born, not a U.S. citizen:2,22411.23%
Total Population:31,705100%
Total Native Population:28,14588.77%
Total Foreign-born Population:3,56011.23%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $90,682, which is much higher than the state median ($71,773), is up $36,107 (66.2%) since 2011 and above its 2019 pre-pandemic level by $21,031. Family households earn a median of $117,006 versus $58,721 for nonfamily households (a difference of $58,285). By gender, male median income is $66,987 and female is $57,458, which is markedly greater than the state female median ($51,479), with a current gap of $9,529 that has widened from 2011 to 2023. The labor-force participation rate is 71.0%, which is far greater than the state rate (62.1%). The unemployment rate is 5.0%, which is well above the state rate (3.9%). The largest occupation group is Management (57.4%).

Explore More: Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$54,575$53,954$54,239$55,666$56,653$59,017$63,804$66,799$69,651$72,033$76,540$81,523$90,682
Median Family Income$72,011$70,246$70,943$73,977$75,348$78,040$84,558$91,818$93,910$97,917$104,433$112,094$117,006
Median NonFamily Income$41,571$40,537$39,891$40,954$40,852$42,973$45,000$48,075$48,008$48,581$49,375$49,054$58,721
Median Male Income$44,846$46,118$50,148$50,364$47,430$50,463$52,340$53,598$53,867$54,575$57,643$61,750$66,987
Median Female Income$43,370$45,243$45,168$43,855$42,135$43,723$47,249$49,274$49,852$50,496$54,304$54,385$57,458
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:17,56667.01%
Unemployed:9233.52%
Not In Labor Force:7,72429.47%
Total:26,213100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:10,08557.41%
Service:2,35813.42%
Sales and Office:2,99317.04%
Natural resources, construction, and maintenance:6623.77%
Production, transportation, and material moving:1,4688.36%
Total Civilian Employed Population:17,566100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $421,800, which is much higher than the state median ($266,400), is up $185,600 (78.58%) since 2011 and above its 2019 pre-pandemic level by $144,400. The median gross rent is $1,571, which is considerably higher than the state median ($1,084), is up $601 (61.96%) since 2011 and above its 2019 pre-pandemic level by $390. Of occupied housing, owners make up 61.21% (67.74% with a mortgage, 32.26% free-and-clear) and renters 38.79% - making this ZIP Code less home ownership than the state and higher than national rental averages. The vacancy rate is 6.78%, which is far lower than the state rate (21.09%).

Explore More: Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$236,200$234,600$230,500$230,700$233,700$240,700$250,000$264,700$277,400$283,100$315,300$384,100$421,800
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:4127.95%
$500 to $999:3626.98%
$1,000 to $1,499:1,47728.49%
$1,500 to $1,999:1,85335.74%
$2,000 to $2,499:54910.59%
$2,500 to $2,999:2324.48%
$3,000 or more:1412.72%
No Rent:1583.05%
Total:5,184100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$970$987$1,013$1,045$1,073$1,090$1,136$1,165$1,181$1,247$1,332$1,446$1,571
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):5,54141.46%
Owner Occupied (free and clear, no mortgage):2,63919.75%
Renter Occupied:5,18438.79%
Total Occupied Housing Units:13,364100%

Occupied Housing Units:13,36493.22%
Vacant Housing Units (not graphed):9726.78%
Total Housing Units:14,336100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:8,52359.45%
Multi-Family Units:5,80540.49%
Other Units:80.06%
Total Housing Units:14,336100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 58.30% of adults (25+) have a bachelor's degree or higher, which is far higher than the national rate (35.00%), well above both the state and national averages. High school or higher is 97.20%, which is far higher than the national rate (89.40%). The uninsured rate is 4.70%, which is falls below the national rate (8.60%). The share of people in poverty is 4.00%, which is far lower than the national rate (8.70%), down 3.60 percentage points since 2011 and below its 2019 pre-pandemic level by 1.30 percentage points. This suggests a positive shift in the local economic and social landscape - higher incomes, steadier consumer demand, and a strengthening tax base. Among residents ages 3+, the largest enrollment group is elementary (42.10%). College enrollment is 25.36%, which is on par with the state rate (27.90%), meaning the community mirrors broader higher-education participation.

Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:4211.82%
9th to 12th grade, no diploma:2290.99%
High school graduate (includes equivalency):3,64115.72%
Some college, no degree:3,52515.22%
Associate's degree:1,8427.95%
Bachelor's degree:7,91834.19%
Graduate or professional degree:5,58424.11%
Total:23,160100%
High school or higher:22,51097.19%
Bachelor's degree or higher:13,50258.30%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:23,93468.41%
Public Insurance:9,57627.37%
No Insurance:1,4754.22%
Total:34,985100%
Has Health Insurance:33,51095.78%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty7.6%9.6%10.9%11.0%9.7%9.5%9.2%6.9%5.3%5.4%5.2%4.1%4.0%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:2814.41%
Kindergarten:2203.45%
Elementary school (grades 1-8):2,68442.10%
High school (grades 9-12):1,57324.67%
College or graduate school:1,61725.36%
Total:6,375100%
Early Childhood:5017.86%
K-12 (Primary & Secondary School):4,47770.23%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 04103 supports both business and residential activity. According to the Business Census (2023), there are 1,106 business establishments, employing about 14,472 people with an annual payroll of $803,939,000. USPS data shows 14,183 residential mailboxes and 996 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:14,183Source: USPS
# Business Mailboxes:996Source: USPS
Total Delivery Receptacles:15,658Source: USPS
Single Family Delivery Units:10,384Source: USPS
Multi Family Delivery Units:1,760Source: USPS
# of Businesses:1,106Source: CBP
1st Quarter Payroll:$192,389,000Source: CBP
Annual Payroll:$803,939,000Source: CBP
# of Employees:14,472Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 04103 is located in Cumberland County, Maine, within the Portland-South Portland, ME Metropolitan Statistical Area (CBSA 38860) and Maine's 1st Congressional District. This Metro area has a population of 557,764 people, about 5.59% of whom live in ZIP Code 04103. It covers 10.229 sq mi of land and a water area of 0.751 sq mi.

CBSA Name:Portland-South Portland, MESource: Census
CBSA Number:38860Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:557,764Source: Census
MSA:Portland, ME MSASource: Census
Land Area:10.229 sq miSource: Census
Water Area:0.751 sq miSource: Census
Congressional District:01Source: USPS
Congressional Land Area:3285.52 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:2360545Source: Census
Place Name:Portland city; MaineSource: Census

Adjacent & Nearby ZIP Codes


04104 | | 04102

Schools in ZIP Code 04103


ZIP Code 04103 is in the Portland, which serves grades Pre-Kindergarten thru 12th. There are 10 public schools and 2 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Portland Arts & Technology H S 196 Allen Av
Portland, ME 04103
District: Portland
Deering High School 370 Stevens Avenue
Portland, ME 04103
District: Portland
Harrison Lyseth Elem School 175 Auburn St
Portland, ME 04103
District: Portland
Lincoln Middle School 522 Stevens Av
Portland, ME 04103
District: Portland
Longfellow School-Portland 432 Stevens Av
Portland, ME 04103
District: Portland
Lyman Moore Middle School 171 Auburn St
Portland, ME 04103
District: Portland
Gerald E Talbot Community School 1600 Forest Av
Portland, ME 04103
District: Portland
Casco Bay High School 196 Allen Avenue
Portland, ME 04103
District: Portland
Presumpscot School 69 Presumpscot St
Portland, ME 04103
District: Portland
Ocean Avenue 150 Ocean Av
Portland, ME 04103
District: Portland
Cheverus High School 267 Ocean Ave
Portland, ME 04103
District: Private School
Levey Day School 400 Deering Ave
Portland, ME 04103
District: Private School

Colleges & Post Secondary Schools near ZIP Code 04103


University Of Southern Maine 96 Falmouth St
Portland, ME 04103
Type: Post Secondary
Empire Beauty School-Maine 319 Marginal Way
Portland, ME 04101
Type: Post Secondary
Spa Tech Institute-Westbrook 100 Larrabee Road
Westbrook, ME 04092
Type: Post Secondary
Institute For Doctoral Studies In The Visual Arts 795 Congress Street
Portland, ME 04102-0000
Type: Post Secondary
Maine College Of Art & Design 522 Congress St.
Portland, ME 04101-3494
Type: Post Secondary
Southern Maine Community College 2 Fort Road
South Portland, ME 04106-1698
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov