Residential delivery area · Maine
ZIP Code 04106: South Portland, ME
ZIP code 04106 is in South Portland, Maine, entirely in Cumberland County (Census 2020 ZIP-county file). About 27,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $86,188 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- South Portland · its only residential ZIP
- County
- Cumberland County
- Census places
- South Portland
- Neighborhoods
- Ferry Village, Loveitts Field, Meeting House Hill, Willard Square GeoNames
- Metro area
- Portland-South Portland, ME
- House district
- ME-1 119th Congress
- State
- Maine
- Time zone
- Eastern
- Land area
- 12.1 sq mi · 2,225 people per sq mi
- PO Box ZIPs
- 04116 also use the name South Portland
Where is ZIP code 04106?
04106 centers on 43.631°, -70.286° and covers 12.1 square miles of land plus 2.0 of water. It borders 5 ZIP codes: 04102, 04101, 04107, 04074, 04092.
The map draws ZIP code areas only. For the streets inside 04106, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 04106 compare with the rest of Cumberland County?
| Measure | 04106 | In Cumberland County | In ME |
|---|---|---|---|
| People (ACS 2020-2024) | 27,019 | 2nd of 38 | 5th of 426 |
| Median household income | $86k | 17th of 24 | 58th of 200 |
| Median home value | $439k | 14th of 27 | 27th of 242 |
Its median household income is higher than in 69% of U.S. residential ZIP codes, and it is denser than 86% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 04106?
The 2020 Census counted 26,641 people in 04106; the ACS, which samples households over 2020-2024, estimates 27,019. Between the 2010 and 2020 censuses its population grew 5.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 27,019
- 2020 Census count
- 26,641+5.8% since 2010 (25,175)
- Households
- 12,230
- Median age
- 41.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 04106?
Of the 27,019 people the ACS estimates in 04106, 14.6% are under 18 and 21.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (79.0%).
- Under 1814.6%
- 18 to 6464.4%
- 65 and older21.0%
- White, not Hispanic79.0%
- Black, not Hispanic7.1%
- Other or two or more6.5%
- Hispanic or Latino4.0%
- Asian, not Hispanic3.4%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 04106 earn?
Median household income is $86,188 (ACS 2020-2024), the 17th highest of the 24 ranked ZIP codes in Cumberland County. It is not measurably different from 2015-2019 ($84,251 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $86,188
- Income per person
- $50,622
- Below the poverty line
- 7.0%
- Unemployed (of the labor force)
- 2.8%
- Adults 25+ with a bachelor's degree
- 51.7%
- Adjusted gross income per tax return, 2022
- $78,83414,980 returns; wages 72% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 04106?
FHFA's house price index for 04106, built from repeat sales and appraisals of the same homes, rose 128% from 2015 to 2025 and rose 66% from 2020 to 2025, and moved +4.3% in 2025.
- Median home value (owners' estimate)
- $438,800
- Median gross rent
- $1,812
- Homes owned by their occupants
- 58.4%
- Housing units
- 12,860
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 04106?
1,238 business establishments had a location in this ZIP code in 2023, 18 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade241
- Health care and social assistance171
- Accommodation and food services133
- Professional, scientific, and technical services96
- Construction89
- Other services (except public administration)83
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 04106?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 04102 | Portland | 17,267 | $83k | 1.7 mi |
| 04101 | Portland | 18,431 | $64k | 2.6 mi |
| 04107 | Cape Elizabeth | 9,656 | $146k | 3.9 mi |
| 04074 | Scarborough | 23,076 | $135k | 4.9 mi |
| 04092 | Westbrook | 20,775 | $85k | 6.2 mi |
| 04109 | Portland | 213 | – | 3.9 mi (near) |
| 04103 | Portland | 32,024 | $90k | 4.4 mi (near) |
| 04108 | Peaks Island | 826 | $94k | 5.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name South Portland?
1 more ZIP code carries the postal name South Portland, ME without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 04116 | Cumberland County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.