County · Maine
Cumberland County, Maine
Cumberland County, Maine. Cumberland County had 317,222 residents in 2025 by the Census Bureau's estimate, up 4.7% since 2020, faster than Maine (+3.8%). It holds 48 places (3 cities, villages and boroughs, 25 towns and townships and 20 census-designated) and 81 census tracts. GEOID 23005.
Cumberland County is one of the 3 counties of the Portland-South Portland, ME metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
317,222
Census Bureau estimate (no margin published)
2020 Census count: 303,069 · ACS 2020-2024: 308,827
Median household income
$95,677
±$1,883 (90% margin)
Maine: $74,733
Median home value
$451,200
±$5,798 (90% margin)
Maine: $296,600
Median gross rent
$1,589
±$36 (90% margin)
Maine: $1,139
How many people live in Cumberland County, and is it growing?
The 2020 Census counted 303,069 residents in Cumberland County. The Census Bureau estimates 317,222 for July 1, 2025, up 4.7% since 2020, faster than Maine (+3.8%). The 2020-2024 American Community Survey puts the population at 308,827 over 836 square miles of land.
| Measure | Cumberland County | Maine | Change since 2015-2019 |
|---|---|---|---|
| Total population | 308,827 | 1,387,817 | +16,520 |
| Households | 132,168±983 | 597,159 | +11,524 |
| Average household size | 2.26±0.02 | 2.26 | −0.09 |
| Housing units | 153,286±137 | 751,876 | +8,816 |
Cumberland County's population since 2000
From 265,612 in 2000 to 317,222 in 2025: up 19.4%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Cumberland County?
Cumberland County holds 48 places: 3 cities, villages and boroughs (incorporated places), 25 towns and townships (county subdivisions with their own government) and 20 census-designated places. The largest is Portland with 69,911 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Portland | 68,408 | $79,540 |
|---|---|---|
| South Portland | 26,498 | $86,838 |
| Scarborough | 22,135 | $133,558 |
| Brunswick | 21,756 | $74,952 |
| Westbrook | 20,400 | $85,038 |
| Windham | 18,434 | $107,934 |
| Gorham | 18,336 | $112,312 |
| Brunswick CDP | 17,033 | $70,722 |
| Falmouth | 12,444 | $150,919 |
| Standish | 10,244 | $104,593 |
| Cape Elizabeth | 9,535 | $145,821 |
| Yarmouth | 8,990 | $110,216 |
| Freeport | 8,737 | $107,326 |
| Cumberland | 8,473 | $173,894 |
| Gray | 8,269 | $95,236 |
| Gorham CDP | 7,469 | $128,190 |
| Yarmouth CDP | 6,125 | $93,575 |
| Oak Hill | 5,846 | $97,610 |
| New Gloucester | 5,676 | $108,797 |
| Bridgton | 5,418 | $77,500 |
| North Windham | 5,274 | $88,522 |
| Harpswell | 5,031 | $96,250 |
| Raymond | 4,536 | $88,194 |
| North Yarmouth | 4,072 | $129,267 |
| Naples | 3,925 | $78,188 |
| Casco | 3,646 | $69,313 |
| Cumberland Center | 2,739 | $170,125 |
| Harrison | 2,447 | $56,938 |
| Bridgton CDP | 2,118 | $55,428 |
| Dunstan | 2,083 | $91,067 |
| Falmouth CDP | 1,988 | $101,484 |
| Sebago | 1,911 | $78,438 |
| Freeport CDPGEOID 2326490 | 1,700 | $59,455 |
| Pownal | 1,566 | $104,333 |
| Falmouth Foreside | 1,554 | $177,411 |
| Baldwin | 1,520 | $68,045 |
| Steep FallsGEOID 2373985 | 1,223 | $80,280 |
| South WindhamGEOID 2372900 | 1,215 | $133,223 |
| Gray CDPGEOID 2328835 | 887 | $123,833 |
| Little FallsGEOID 2340350 | 863 | $127,500 |
| Casco CDPGEOID 2311090 | 582 | not published |
| Cousins IslandGEOID 2314800 | 528 | $180,625 |
| Standish CDPGEOID 2373635 | 480 | not published |
| Naples CDPGEOID 2348050 | 415 | $61,510 |
| Chebeague Island | 396 | $67,639 |
| Long Island | 234 | $91,250 |
| Littlejohn IslandGEOID 2340470 | 116 | not published |
| Frye IslandGEOID 2300527025 | 32 | $61,719 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Cumberland County?
The median resident of Cumberland County is 42.2 years old; 18.0% are under 18 and 20.4% are 65 or older. The largest group is non-Hispanic white residents at 85.6%, then non-Hispanic residents of two or more races at 5.5%. 6.7% of residents were born outside the United States.
| Measure | Cumberland County | Maine | Change since 2015-2019 |
|---|---|---|---|
| Median age | 42.2±0.2 | 44.8 | no clear change |
| Under 18 years | 18.0%±0.1 pts | 18.1% | – |
| 65 years and over | 20.4%±0.1 pts | 22.4% | – |
| Hispanic or Latino (any race) | 2.8% | 2.2% | +0.7 pts |
| White alone, not Hispanic | 85.6%±0.4 pts | 89.9% | −4.7 pts |
| Black or African American alone, not Hispanic | 3.4%±0.2 pts | 1.8% | +0.5 pts |
| Asian alone, not Hispanic | 2.2%±0.2 pts | 1.1% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.3% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 5.5%±0.5 pts | 4.2% | – |
| Some other race alone, not Hispanic | 0.4%±0.2 pts | 0.4% | – |
| Born outside the United States | 6.7%±0.4 pts | 4.1% | +0.6 pts |
| Speak a language other than English at home (age 5+) | 7.6%±0.5 pts | 6.0% | – |
| Civilian veterans (age 18+) | 6.3%±0.3 pts | 8.4% | – |
| With a disability | 11.8%±0.4 pts | 15.8% | – |
| No health insurance coverage | 4.7%±0.6 pts | 6.2% | −1.1 pts |
| High school graduate or higher (age 25+) | 96.8%±0.3 pts | 94.8% | – |
| Bachelor's degree or higher (age 25+) | 53.0%±0.9 pts | 36.2% | +5.4 pts |
| Graduate or professional degree (age 25+) | 21.4%±0.8 pts | 13.7% | – |
| Moved from another state in the past year | 3.4%±0.4 pts | 2.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Cumberland County earn?
Half of Cumberland County's 132,168 households earn less than $95,677 a year (±$1,883), against $74,733 in Maine. In 2015-2019 the median was $89,929 in 2024 dollars, so it rose by $5,748 after inflation. 7.3% of residents live below the poverty line.
| Measure | Cumberland County | Maine | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $95,677±$1,883 | $74,733 | +$5,748 |
| Mean household income | $128,060±$2,592 | $100,102 | – |
| Per capita income | $55,739±$1,111 | $43,742 | +$5,863 |
| People below the poverty line | 7.3%±0.6 pts | 10.7% | −1.7 pts |
| Children under 18 below the poverty line | 8.1%±1.6 pts | 13.1% | no clear change |
| Households receiving SNAP | 7.5%±0.7 pts | 12.0% | – |
| Households with a broadband subscription | 92.7%±0.7 pts | 90.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Cumberland County?
Owners occupy 69.8% of Cumberland County's occupied homes and renters 30.2%. The median owner-occupied home is valued at $451,200 by its owner (±$5,798). The median renter pays $1,589 a month including utilities, and 39.5% of renters pay 35% or more of their income on rent.
| Measure | Cumberland County | Maine | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $451,200±$5,798 | $296,600 | +$108,944 |
| Median gross rent | $1,589±$36 | $1,139 | +$197 |
| Renters paying 35% or more of income on rent | 39.5%±2.5 pts | 37.9% | +4.1 pts |
| Median monthly owner costs, with a mortgage | $2,186±$33 | $1,729 | – |
| Owner-occupied homes | 69.8%±0.9 pts | 74.3% | no clear change |
| Housing units | 153,286±137 | 751,876 | +8,816 |
| Homeowner vacancy rate | 0.5%±0.2 pts | 0.7% | – |
| Rental vacancy rate | 2.9%±0.8 pts | 4.2% | – |
| Single-family detached homes | 63.3%±0.9 pts | 70.0% | – |
| Mobile homes | 4.0%±0.3 pts | 8.2% | – |
| Built 2020 or later | 2.1%±0.3 pts | 1.4% | – |
| Built 1939 or earlier | 23.4%±0.8 pts | 22.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Cumberland County building?
Builders took permits for 1,756 new housing units across Cumberland County in 2025 (881 single-family), 5.5 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Cumberland County get to work?
63.7% of Cumberland County's workers drive alone and 21.8% work from home. The average trip to work takes 23.2 minutes. The unemployment rate in 2020-2024 averaged 3.1%.
| Measure | Cumberland County | Maine | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 67.7%±0.6 pts | 61.7% | – |
| Unemployment rate | 3.1%±0.3 pts | 3.8% | no clear change |
| Drove alone to work | 63.7%±1.0 pts | 70.8% | – |
| Carpooled | 6.8%±0.7 pts | 7.9% | – |
| Public transportation | 0.9%±0.2 pts | 0.5% | – |
| Walked | 5.0%±0.5 pts | 3.4% | – |
| Worked from home | 21.8%±0.8 pts | 15.9% | +14.6 pts |
| Mean travel time to work | 23.2 min±0.6 | 24.6 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Cumberland County's census tracts?
Cumberland County is divided into 81 census tracts. Among those with a reliable estimate, median household income runs from $49,806 (Tract 28) to $195,781 (Tract 25.03).
All 81 census tracts of Cumberland County, with their figures
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Cumberland County compare with Maine's other counties?
| Measure | Rank |
|---|---|
| Population | 1st of 16 |
| Growth 2020-2025 | 4th of 16 |
| Residents per square mile | 1st of 16 |
| Median household income | 1st of 16 |
| Median home value | 1st of 16 |
| Median gross rent | 1st of 16 |
| Poverty rate | 16th of 16 |
| Bachelor's degree or higher | 1st of 16 |
| Median age | 15th of 16 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Cumberland County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.