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Where am ILOCATED

Portland-South Portland, ME Metro Area

The Portland-South Portland, ME metro area is made up of 3 counties in Maine: Cumberland, York, and Sagadahoc, largest first. About 577,635 people lived there on July 1, 2025 (Census estimate), 4.7% more than in April 2020.

Cumberland County, centralSagadahoc County, outlyingYork County, centralPortlandSouth Portland
Central Outlying 3 counties in Maine
Population, July 2025
577,635 4.7% more than in April 2020
Type
Metropolitan statistical area
Counties
3: 2 central, 1 outlying
Land area
2,081 sq mi (5,391 km²)
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
State
Maine
Combined statistical area
Portland-Lewiston-South Portland, ME
CBSA code
38860
Open this area in the metro area finder

Counties in the Portland-South Portland, ME metro area, largest first

CountyRolePopulation, July 2025Share of the area
Cumberland CountyCentral317,22254.9%
York CountyCentral222,43438.5%
Sagadahoc CountyOutlying37,9796.6%

A central county holds the area’s core, an urban area of at least 50,000 people. An outlying county is in the area because of commuting: at least a quarter of its workers have jobs in the central counties, or at least a quarter of the people working there live in them. A county belongs to one metro or micro area at most, and it counts whole, countryside included.

Principal cities, largest first

  1. Portland68,854 people
  2. South Portland26,930 people

OMB names the area after its largest principal cities. A principal city is the area’s largest city, plus any other city that is very large or a big job center, and smaller ones with at least as many jobs as working residents (2020 Census and commuting figures). People counts are American Community Survey 2020–2024 5-year estimates.

Part of the Portland-Lewiston-South Portland, ME combined statistical area

OMB joins neighboring metro and micro areas into a combined statistical area when enough people commute between them. The other area in this one is

  1. Lewiston-Auburn, ME Metro Area116,487 people

Bordering metro and micro areas, nearest first

Areas with a county on this area’s edge. Distances are straight lines between the areas’ largest cities.

  1. Lewiston-Auburn, ME Metro Area32 mi north
  2. Augusta-Waterville, ME Micro Area53 mi northeast
  3. Boston-Cambridge-Newton, MA-NH Metro Area99 mi southwest

Before using this answer on a form

A metro or micro area is a statistical area that OMB draws for federal statistics. It is not a city, a local government or a mailing address, and it is not a measure of urban and rural: whole counties count, rural parts included. Programs that use metro areas, such as housing income limits or wage rates, can use their own version of these lists; check the program’s own list for an address.

Find the metro area where you are now, find your county, or see every metro and micro area by population.

See this area on Census.gov ↗