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Where am ILOCATED

Johnson County, Indiana

Johnson County, Indiana, has 174,262 residents (July 2025 estimate). Its county seat is Franklin. It uses Eastern Time and covers 320 sq mi (830 km²) of land.

IndianapolisFort WayneEvansville
Johnson County in Indiana
Morgan CountyShelby CountyGreenwoodFranklinBargersvilleNew Whiteland
Johnson County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
174,262
Land area
320 sq mi (830 km²)
County seat or government
Franklin
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$90,454 ± $2,271
Median home value
$284,600 ± $5,680
Median rent, with utilities
$1,271 ± $54
Homes lived in by their owners
72.7% ± 1.5 points
County type
County
Metro or micro area
Indianapolis-Carmel-Greenwood, IN metro areaCentral county
Water area
1.38 sq mi (3.56 km²)
State
Indiana
County code (FIPS)
18081
Coordinates (central point)
39.496092, -86.094264
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 Johnson 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. 4614361,803 people
  2. 4613134,647 people
  3. 4614234,348 people
  4. 4615132,446 people
  5. 4625915,169 people
  6. 4618413,304 people
  7. 4610610,159 people
  8. 461247,304 people
  9. 461606,514 people
  10. 461814,964 people
  11. 461643,840 people
  12. 46162227 people

12 ZIP Code areas overlap Johnson 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 Johnson County, largest first

  1. Pleasant Township64,232 people
  2. White River Township54,006 people
  3. Franklin Township21,569 people
  4. Needham Township7,704 people
  5. Blue River Township4,826 people
  6. Nineveh Township4,220 people
  7. Hensley Township3,907 people
  8. Clark Township2,946 people
  9. Union Township2,905 people

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

School districts in Johnson County, largest first

  1. Center Grove Community School Corporation52,890 people
  2. Clark-Pleasant Community School Corporation43,848 people
  3. Franklin Community School Corporation32,178 people
  4. Greenwood Community School Corporation24,446 people
  5. Nineveh-Hensley-Jackson United School Corporation11,493 people
  6. Edinburgh Community School Corporation4,826 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. Greenwood, Indiana (city)66,029 people
  2. Franklin, Indiana (city)26,168 people
  3. Bargersville, Indiana (town)10,752 people
  4. New Whiteland, Indiana (town)5,704 people
  5. Whiteland, Indiana (town)5,173 people
  6. Edinburgh, Indiana (town)4,381 people
  7. Trafalgar, Indiana (town)1,469 people
  8. Prince's Lakes, Indiana (town)1,188 people
  9. Nineveh, Indiana (CDP)559 people
  10. Amity, Indiana (CDP)317 people
  11. Needham, Indiana (CDP)0 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Shelby County, Indiana16 mi east
  2. Morgan County, Indiana19 mi west
  3. Marion County, Indiana20 mi north
  4. Brown County, Indiana22 mi south
  5. Bartholomew County, Indiana23 mi southeast

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.