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Where am ILOCATED

Marion, IN Micro Area

The Marion, IN micro area is one county in Indiana: Grant County. About 66,524 people lived there on July 1, 2025 (Census estimate), 0.2% fewer than in April 2020.

Grant County, centralMarion
Grant County in Indiana
Population, July 2025
66,524 0.2% fewer than in April 2020
Type
Micropolitan statistical area
County
Grant County
Land area
414 sq mi (1,072 km²)
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
State
Indiana
CBSA code
31980
Open this area in the metro area finder

The county in the Marion, IN micro area

CountyRolePopulation, July 2025
Grant CountyCentral66,524

A central county holds the area’s core, an urban area of 10,000 to 49,999 people. This area has no outlying counties: no neighboring county sends enough commuters to join it. A county belongs to one metro or micro area at most, and it counts whole, countryside included.

Principal city

  1. Marion27,531 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.

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. Wabash, IN Micro Area20 mi northwest
  2. Huntington, IN Micro Area24 mi north
  3. Kokomo, IN Metro Area25 mi west
  4. Peru, IN Micro Area26 mi northwest
  5. Muncie, IN Metro Area28 mi southeast
  6. Fort Wayne, IN Metro Area46 mi northeast
  7. Indianapolis-Carmel-Greenwood, IN Metro Area59 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 ↗