What County Is Indianapolis, Indiana In?

Indianapolis is in Marion County, Indiana. It is the county seat of Marion County. About 885,860 people live there (2020–2024 estimate). It uses Eastern Time and covers 361 sq mi (935 km²) of land. The nearest larger city or town is Chicago, Illinois, 164 mi northwest.

Fort WayneEvansvilleSouth Bend
Indianapolis in Indiana
AvonBeech GroveBrownsburgClermontCrows NestCumberlandHomecroftLawrenceMcCordsvilleMeridian HillsNorth Crows NestPlainfieldPleasant ViewSpeedwaySpring HillWarren ParkWilliams Creek
Indianapolis and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
885,860 ± 893
Land area
361 sq mi (935 km²)
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Elevation
719 ft 219 m, ground height at the central point
Median household income
$66,219 ± $993
Median home value
$224,800 ± $2,289
Median rent, with utilities
$1,156 ± $11
Homes lived in by their owners
56% ± 0.7 points
Metro area
Indianapolis-Carmel-Greenwood, INA principal city of the area
Water area
6.92 sq mi (17.9 km²)
State
Indiana
Census place code
1836003
Coordinates (central point)
39.776664, -86.145935

These coordinates mark a central point for the area, not a street address. Population, 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.

County boundaries in Indianapolis

For a point close to the city or county boundary, check the address with the office responsible for your form. Check a point on the county map.

Coordinates of Indianapolis

39.776664, -86.145935 is a central point for Indianapolis, not a street address. Convert these coordinates or share a map link.

Elevation in Indianapolis

719 ft (219 m), the USGS ground height at Indianapolis’s central point (3DEP terrain, 1 m grid, NAVD 88). Ground height varies across town. Check elevation at another spot.

Sunrise and sunset in Indianapolis

Longest day
15 hours around June 21
Shortest day
9 hours 21 minutes around December 21
Earliest sunrise
6:15 AM around June 14
Latest sunrise
8:18 AM the day before clocks go back in November
Earliest sunset
5:19 PM around December 7
Latest sunset
9:16 PM around June 27

Clocks go forward an hour on the second Sunday in March and back on the first Sunday in November, so sunrise and sunset jump an hour later in March and an hour earlier in November.

Sunrise and sunset on the 15th of each month
DaySunriseSunsetDaylight
Jan 158:03 AM5:44 PM9 h 41 min
Feb 157:37 AM6:20 PM10 h 43 min
Mar 157:56 AM7:51 PM11 h 55 min
Apr 157:07 AM8:22 PM13 h 15 min
May 156:30 AM8:52 PM14 h 22 min
Jun 156:15 AM9:14 PM14 h 59 min
Jul 156:28 AM9:11 PM14 h 43 min
Aug 156:56 AM8:41 PM13 h 45 min
Sep 157:25 AM7:53 PM12 h 28 min
Oct 157:54 AM7:05 PM11 h 11 min
Nov 157:29 AM5:28 PM9 h 59 min
Dec 157:58 AM5:20 PM9 h 22 min

Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.

Time zones in Indianapolis

Indianapolis uses Eastern Time (America/Indiana/Indianapolis).

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 40
  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. 4618334 people
  28. 462060 people

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

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Spring Hill, Indiana (town)4.7 mi northwest
  2. Wynnedale, Indiana (town)4.8 mi northwest
  3. Warren Park, Indiana (town)5.0 mi east
  4. Rocky Ripple, Indiana (town)5.2 mi north
  5. Beech Grove, Indiana (city)5.2 mi southeast
  6. Speedway, Indiana (town)5.5 mi west
  7. Crows Nest, Indiana (town)5.6 mi north
  8. North Crows Nest, Indiana (town)6.2 mi north
  9. Homecroft, Indiana (town)7.4 mi south
  10. Meridian Hills, Indiana (town)7.7 mi north
  11. Southport, Indiana (city)8.2 mi south
  12. Williams Creek, Indiana (town)8.5 mi north
All 24
  1. Clermont, Indiana (town)9.7 mi west
  2. Lawrence, Indiana (city)10 mi northeast
  3. Cumberland, Indiana (town)11 mi east
  4. Greenwood, Indiana (city)12 mi south
  5. Carmel, Indiana (city)13 mi north
  6. Avon, Indiana (town)13 mi west
  7. Brownsburg, Indiana (town)13 mi west
  8. Plainfield, Indiana (town)13 mi southwest
  9. Pleasant View, Indiana (CDP)13 mi southeast
  10. McCordsville, Indiana (town)15 mi northeast
  11. Fishers, Indiana (city)16 mi northeast
  12. Zionsville, Indiana (town)18 mi northwest

Before using this answer on a form

A city boundary, a CDP and a mailing city can mean different things.

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

See this place 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.