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Where am ILOCATED

Peoria, IL Metro Area

The Peoria, IL metro area is made up of 5 counties in Illinois: Peoria, Tazewell, Woodford, Marshall, and Stark, largest first. About 363,505 people lived there on July 1, 2025 (Census estimate), 1.5% fewer than in April 2020.

Marshall County, outlyingPeoria County, centralStark County, outlyingTazewell County, centralWoodford County, centralPeoria
Central Outlying 5 counties in Illinois
Population, July 2025
363,505 1.5% fewer than in April 2020
Type
Metropolitan statistical area
Counties
5: 3 central, 2 outlying
Land area
2,468 sq mi (6,391 km²)
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
State
Illinois
Combined statistical area
Peoria-Canton, IL
CBSA code
37900
Open this area in the metro area finder

Counties in the Peoria, IL metro area, largest first

CountyRolePopulation, July 2025Share of the area
Peoria CountyCentral178,55349.1%
Tazewell CountyCentral130,04935.8%
Woodford CountyCentral38,11110.5%
Marshall CountyOutlying11,4733.2%
Stark CountyOutlying5,3191.5%

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. Peoria112,169 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 Peoria-Canton, IL 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. Canton, IL Micro Area32,901 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. Canton, IL Micro Area26 mi southwest
  2. Bloomington, IL Metro Area39 mi southeast
  3. Galesburg, IL Micro Area42 mi west
  4. Lincoln, IL Micro Area44 mi south
  5. Pontiac, IL Micro Area52 mi east
  6. Ottawa, IL Micro Area59 mi northeast
  7. Davenport-Moline-Rock Island, IA-IL Metro Area76 mi northwest

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 ↗