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Where am ILOCATED

Marion County, Indiana

Marion County, Indiana, has 992,196 residents (July 2025 estimate). Its county seat is Indianapolis. It uses Eastern Time and covers 396 sq mi (1,026 km²) of land.

Fort WayneEvansville
Marion County in Indiana
Indianapolis city (balance)LawrenceBeech GroveSpeedway
Marion County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
992,196
Land area
396 sq mi (1,026 km²)
County seat or government
Indianapolis
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$66,346 ± $943
Median home value
$224,000 ± $2,242
Median rent, with utilities
$1,153 ± $10
Homes lived in by their owners
56.5% ± 0.7 points
County type
County
Metro or micro area
Indianapolis-Carmel-Greenwood, IN metro areaCentral county
Water area
7.01 sq mi (18.2 km²)
State
Indiana
County code (FIPS)
18097
Coordinates (central point)
39.782976, -86.135794
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Marion County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/Indiana/IndianapolisUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 4622757,587 people
  2. 4622647,099 people
  3. 4623743,473 people
  4. 4625440,674 people
  5. 4622440,228 people
  6. 4622238,887 people
  7. 4621938,855 people
  8. 4620337,758 people
  9. 4622036,952 people
  10. 4621736,917 people
  11. 4607736,760 people
  12. 4623536,317 people
All 41
  1. 4626035,707 people
  2. 4623933,931 people
  3. 4624132,565 people
  4. 4620130,335 people
  5. 4621829,360 people
  6. 4622928,457 people
  7. 4623428,300 people
  8. 4620528,259 people
  9. 4622127,027 people
  10. 4623626,416 people
  11. 4626825,913 people
  12. 4621424,472 people
  13. 4620822,379 people
  14. 4625620,990 people
  15. 4620220,180 people
  16. 4624019,595 people
  17. 4625018,147 people
  18. 4611317,192 people
  19. 4622815,724 people
  20. 4625915,169 people
  21. 4616314,498 people
  22. 4610713,020 people
  23. 4620411,400 people
  24. 4623110,371 people
  25. 462788,450 people
  26. 462256,037 people
  27. 462162,767 people
  28. 4618334 people
  29. 462060 people

41 ZIP Code areas overlap Marion County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Marion County, largest first

  1. Center Township152,977 people
  2. Wayne Township148,293 people
  3. Washington Township138,384 people
  4. Lawrence Township122,402 people
  5. Perry Township121,505 people
  6. Warren Township106,062 people
  7. Pike Township83,009 people
  8. Franklin Township66,239 people
  9. Decatur Township36,938 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Indiana, by county

School districts in Marion County, largest first

  1. Indianapolis Public Schools320,504 people
  2. Perry Township Metropolitan School District105,786 people
  3. Lawrence Township Metropolitan School District97,336 people
  4. Washington Township Metropolitan School District93,504 people
  5. Wayne Township Metropolitan School District84,438 people
  6. Pike Township Metropolitan School District77,262 people
  7. Warren Township Metropolitan School District67,449 people
  8. Franklin Township Community School Corporation64,118 people
  9. Decatur Township Metropolitan School District36,938 people
  10. Beech Grove City Schools14,506 people
  11. Speedway School Town13,968 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Indianapolis, Indiana (city)885,860 people
  2. Lawrence, Indiana (city)49,517 people
  3. Beech Grove, Indiana (city)14,913 people
  4. Speedway, Indiana (town)13,968 people
  5. Cumberland, Indiana (town)6,267 people
  6. Southport, Indiana (city)1,975 people
  7. Meridian Hills, Indiana (town)1,767 people
  8. Warren Park, Indiana (town)1,599 people
  9. Clermont, Indiana (town)1,468 people
  10. Homecroft, Indiana (town)854 people
  11. Rocky Ripple, Indiana (town)631 people
  12. Williams Creek, Indiana (town)417 people
All 16
  1. Wynnedale, Indiana (town)210 people
  2. Crows Nest, Indiana (town)109 people
  3. North Crows Nest, Indiana (town)75 people
  4. Spring Hill, Indiana (town)74 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Hancock County, Indiana19 mi east
  2. Hamilton County, Indiana20 mi north
  3. Hendricks County, Indiana20 mi west
  4. Johnson County, Indiana20 mi south
  5. Shelby County, Indiana26 mi southeast
  6. Boone County, Indiana26 mi northwest
  7. Morgan County, Indiana27 mi southwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.