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Where am ILOCATED

Pittsburgh, PA Metro Area

The Pittsburgh, PA metro area is made up of 8 counties in Pennsylvania; the largest are Allegheny County, Westmoreland County, and Washington County. About 2,421,992 people lived there on July 1, 2025 (Census estimate), 1.4% fewer than in April 2020.

Allegheny County, centralArmstrong County, outlyingBeaver County, centralButler County, centralFayette County, outlyingLawrence County, outlyingWashington County, centralWestmoreland County, centralPittsburgh
Central Outlying 8 counties in Pennsylvania
Population, July 2025
2,421,992 1.4% fewer than in April 2020
Type
Metropolitan statistical area
Counties
8: 5 central, 3 outlying
Land area
5,640 sq mi (14,608 km²)
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
State
Pennsylvania
Combined statistical area
Pittsburgh-Weirton-Steubenville, PA-OH-WV
CBSA code
38300
Open this area in the metro area finder

Counties in the Pittsburgh, PA metro area, largest first

CountyRolePopulation, July 2025Share of the area
Allegheny CountyCentral1,225,03550.6%
Westmoreland CountyCentral349,32414.4%
Washington CountyCentral210,8028.7%
Butler CountyCentral200,1698.3%
Beaver CountyCentral166,0326.9%
Fayette CountyOutlying123,0215.1%
Lawrence CountyOutlying83,9113.5%
Armstrong CountyOutlying63,6982.6%

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 city

  1. Pittsburgh304,759 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 Pittsburgh-Weirton-Steubenville, PA-OH-WV combined statistical area

OMB joins neighboring metro and micro areas into a combined statistical area when enough people commute between them. The other 3 areas in this one, largest first:

  1. Weirton-Steubenville, WV-OH Metro Area112,468 people
  2. Hermitage, PA Micro Area107,860 people
  3. Indiana, PA Micro Area82,878 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. Weirton-Steubenville, WV-OH Metro Area31 mi west
  2. Indiana, PA Micro Area45 mi east
  3. Wheeling, WV-OH Metro Area46 mi southwest
  4. Morgantown, WV Metro Area55 mi south
  5. Salem, OH Micro Area56 mi northwest
  6. Somerset, PA Micro Area56 mi southeast
  7. Johnstown, PA Metro Area56 mi east
  8. Youngstown-Warren, OH Metro Area57 mi northwest
  9. Hermitage, PA Micro Area60 mi northwest
  10. Oil City, PA Micro Area70 mi north

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 ↗