• county
  • FIPS 23005
  • Largest town: Portland

Cumberland County, Maine

Cumberland County had 313,809 residents in the Census Vintage 2024 estimate, on 836.2 square miles of land. It is the most populous of Maine's 16 county-equivalents.

Population
313,809
#1 of 16 in Maine · #235 in US
Area
836.2 sq mi
#11 of 16 in Maine · #1,001 in US
Density
375 / sq mi
#1 of 16 in Maine · #364 in US
Median household income
$96,255
#1 of 16 in Maine · #172 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Cumberland County within Maine. Pin: Augusta.

Measure from here

Tools and pages that start from Cumberland County

Cumberland County population, land area and income

Cumberland County had 313,809 residents in the Census Vintage 2024 estimate, on 836.2 square miles of land. It is the most populous of Maine's 16 county-equivalents. That works out to 375.3 people per square mile, 3.9 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Maine has 54,142 residents, so Cumberland County is 5.8 times that size.

Its SAIPE 2023 median household income of $96,255 is in the top tenth among 3,143 counties with an estimate.

National rank among 3,144

Population

313,809

3144th1st

235th of 3,144 (US)

Land area

836 sq mi

3144th1st

1001st of 3,144 (US)

Density

375.3 / sq mi

3144th1st

364th of 3,144 (US)

Median household income

$96,255

3143rd1st

172nd of 3,143 (US)

Rank within Maine (16)

Population

313,809

16th1st

1st of 16 (ME)

Land area

836 sq mi

16th1st

11th of 16 (ME)

Density

375.3 / sq mi

16th1st

1st of 16 (ME)

Median household income

$96,255

16th1st

1st of 16 (ME)

How Cumberland County's population changed since 2020

Cumberland County gained 10,203 residents between the July 2020 and July 2024 estimates, a rise of 3.4%. That ranks 7th of 16 in Maine for growth. The median Maine county changed by +3.0%, and the state as a whole by +3.0%.

Since the April 2020 estimates base, Cumberland County recorded 12,119 births and 12,916 deaths, a natural change of -797. Net international migration added +6,564 and net domestic migration, people moving to or from other US counties, came to +4,903. The largest single component was international migration, which added 6,564 people.

303.6k2020306.2k2021309.3k2022311.3k2023313.8k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
12,119
Deaths
12,916
Net international migration
+6,564
Net domestic migration
+4,903
Change, July 2023 to July 2024
+2,551

Where Cumberland County is

The Census internal point of Cumberland County is at 43.808300, -70.330400. It sits in UTM zone 19N. The map shades Maine's 16 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Cumberland County outlined. Dots are towns of 1,000+ people with residents in it.

York County: +3.7%Hancock County: +2.6%Washington County: +0.9%Aroostook County: -0.4%Androscoggin County: +3.7%Sagadahoc County: +2.3%Franklin County: +4.9%Oxford County: +3.7%Waldo County: +2.4%Somerset County: +1.7%Cumberland County: +3.4%Kennebec County: +3.0%Piscataquis County: +3.8%Penobscot County: +3.1%Knox County: +0.8%Lincoln County: +3.5%
Change 2020 to 2024
  1. < +1.7%
  2. < +2.6%
  3. < +3.4%
  4. < +3.7%
  5. ≥ +3.7%
no data

Orange pin: Cumberland County internal point. Dark pin: Augusta.

Internal point

Decimal
43.808300, -70.330400
DMS
43°48'29.88"N 70°19'49.44"W
UTM
19N 392993.1E 4851441.6N
Geohash
drvcpx4cy
Plus code
87MFRM59+8R

Towns in Cumberland County

3 incorporated places of 1,000+ people have residents in Cumberland County, 117,948 people together, or 38% of the county. Each figure counts only the part of the town inside Cumberland County; towns marked "part" extend into another county. The largest is Portland with 69,568.

  1. 01Portland69,568
  2. 02South Portland26,994
  3. 03Westbrook21,386
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Cumberland County

The Census 2024 county adjacency file lists 4 neighbors for Cumberland County. The most populous is York County, ME, with 220,143 residents. Distances run between Census internal points in a straight line.

Distance to Augusta and the nearest big city

Augusta is 43.9 miles NE of Cumberland County's internal point in a straight line. The nearest place of 100,000 or more is Manchester, NH (population 116,386), 79.8 miles away. The nearest place of 10,000 or more is Westbrook, ME (population 21,386), 7.0 miles away.

Cumberland County FIPS code

The FIPS code of Cumberland County is 23005: state code 23 for Maine plus county code 005. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $96,255.

Questions people ask

What is the population of Cumberland County, Maine?

The Census Vintage 2024 estimate for July 1, 2024 is 313,809. That is up 10,203 people (3.4%) from the July 2020 estimate of 303,606.

What is the FIPS code of Cumberland County?

23005. The first two digits (23) are Maine; the last three (005) identify the county.

What is the largest town in Cumberland County?

Portland, with 69,568 residents inside Cumberland County in 2024.

Which counties border Cumberland County?

4 county-equivalents border it in the Census 2024 adjacency file: York County, ME; Androscoggin County, ME; Oxford County, ME; Sagadahoc County, ME.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.