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Where am ILOCATED

Dearborn County, Indiana

Dearborn County, Indiana, has 51,609 residents (July 2025 estimate). Its county seat is Lawrenceburg. It uses Eastern Time and covers 305 sq mi (790 km²) of land.

IndianapolisFort WayneEvansville
Dearborn County in Indiana
Ohio CountyRipley CountyBoone CountyHamilton CountyHidden ValleyBrightLawrenceburgGreendaleAurora
Dearborn County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
51,609
Land area
305 sq mi (790 km²)
County seat or government
Lawrenceburg
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$84,735 ± $3,556
Median home value
$243,400 ± $7,729
Median rent, with utilities
$845 ± $73
Homes lived in by their owners
85.2% ± 1.3 points
County type
County
Metro or micro area
Cincinnati, OH-KY-IN metro areaOutlying county
Water area
2.32 sq mi (6.02 km²)
State
Indiana
County code (FIPS)
18029
Coordinates (central point)
39.140897, -84.975868
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 Dearborn County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-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. 4702523,570 people
  2. 4701210,733 people
  3. 4700110,696 people
  4. 470606,309 people
  5. 470415,884 people
  6. 470315,659 people
  7. 470184,166 people
  8. 470323,285 people
  9. 470223,074 people

9 ZIP Code areas overlap Dearborn 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 Dearborn County, largest first

  1. Lawrenceburg Township11,300 people
  2. Miller Township10,041 people
  3. Center Township5,096 people
  4. Logan Township3,894 people
  5. Harrison Township3,407 people
  6. Manchester Township3,313 people
  7. Sparta Township2,929 people
  8. Clay Township2,862 people
  9. Kelso Township2,493 people
  10. Jackson Township1,801 people
  11. Washington Township1,363 people
  12. Hogan Township1,256 people
All 14
  1. York Township1,058 people
  2. Caesar Creek Township281 people

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

School districts in Dearborn County, largest first

  1. Sunman-Dearborn Community School Corporation25,629 people
  2. South Dearborn Community School Corporation17,100 people
  3. Lawrenceburg Community School Corporation11,300 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. Hidden Valley, Indiana (CDP)5,706 people
  2. Bright, Indiana (CDP)5,540 people
  3. Lawrenceburg, Indiana (city)5,179 people
  4. Greendale, Indiana (city)3,986 people
  5. Aurora, Indiana (city)3,648 people
  6. Dillsboro, Indiana (town)1,697 people
  7. St. Leon, Indiana (town)737 people
  8. Moores Hill, Indiana (town)629 people
  9. Manchester, Indiana (CDP)343 people
  10. West Harrison, Indiana (town)285 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Ohio County, Indiana14 mi south
  2. Ripley County, Indiana16 mi west
  3. Boone County, Kentucky18 mi southeast
  4. Franklin County, Indiana19 mi north
  5. Hamilton County, Ohio23 mi east
  6. Butler County, Ohio30 mi northeast

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.