Dearborn County, Indiana
Dearborn County: county in Indiana, United States
About
Dearborn County is a county located in the U.S. state of Indiana. As of the 2010 census, the population was 50,047 and a population density of 63 people per km². After 10 years in 2020 county had an estimated population of 49,824 inhabitants. Its county seat is Lawrenceburg. The county was created 223 years ago in 1802.
County Snapshot
Dearborn County at a glance
Dearborn County currently has 15 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
15
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Indiana counties
92
Open related pagesLargest city
GuilfordPopulation 35,285
Top linked places
Quick Facts about Dearborn County
| Population | 49,824 (2020) |
| Country | United States of America |
| State | Indiana (United States) |
| Area | 795 km2 |
| Water as percent of area | 0.77% |
| Land as percent of area | 99.23% |
| Latitude & Longitude | 39.1452,-84.9733 |
| Named for | Henry Dearborn |
| Altitude | 499 feet / 152 meters |
| Capital | Lawrenceburg |
| Establishment | January 01, 1803 |
| Time Zone | Eastern Time Zone |
| Local time | 06:25:24 (19th April 2026) |
| Density | 63 Pop. per km² as of 2020 |
| Population growth | -0.45% (2010-2020) |
| Weather | 58℉ Slight Chance Rain Showers then Mostly Sunny 7-days weather |
Geography
Dearborn County is located at 39°8'43"N 84°58'24"W (39.1451900, -84.9732600). It has 4 neighbors: Boone County, Franklin County, Ohio County and Butler County.
Dearborn County map
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The largest city of Dearborn County is Guilford with a population of 35,285. Other cities include, Greendale population 4,339, Wilmington population 4,193, Aurora population 3,698 and Sparta population 2,992. See all Dearborn County cities & populated places.
Dearborn County Populated Places
Cities, towns, neighborhoods & other populated places in Dearborn County.
| City Name | Population | Title |
|---|---|---|
| Guilford | 35,285 | Unincorporated community in Indiana |
| Bright | 5,693 | Census-designated place in Dearborn County, Indiana |
| Hidden Valley | 5,387 | Census-designated place in Dearborn County, Indiana |
| Lawrenceburg | 5,045 | Township in Dearborn County, Indiana |
| Greendale | 4,339 | City in Dearborn County, Indiana, United States of America |
| Wilmington | 4,193 | Unincorporated community in Dearborn County, Indiana |
| Aurora | 3,698 | City in Dearborn County, Indiana, United States |
| Manchester | 3,380 | Township in Dearborn County, Indiana |
| Sparta | 2,992 | Unincorporated community in Dearborn County, Indiana, United States |
| Dillsboro | 1,423 | Town of the United States |
| Saint Leon | 669 | City in Dearborn County, Indiana, United States of America |
| Moores Hill | 621 | City in Dearborn County, Indiana, United States of America |
| Logan | 430 | Unincorporated community in Dearborn County, Indiana |
| West Harrison | 282 | Town in Indiana, United States |
| Hardinsburg | 244 | Unincorporated community in Dearborn County, Indiana |
Weather
A slight chance of rain showers before 8am. Mostly sunny, with a high near 58. Chance of precipitation is 20%. New rainfall amounts less than a tenth...
7-Day ForecastOfficial website of Dearborn County
Official Website- Lawrenceburg
Demographics
According to census records, the population of Dearborn County decreased by 0.45% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 50,047 | - | census |
| 2011 | 49,986 | -0.12% | estimation process |
| 2012 | 49,727 | -0.52% | estimation process |
| 2013 | 49,739 | 0.02% | estimation process |
| 2014 | 49,418 | -0.65% | estimation process |
| 2015 | 49,455 | 0.07% | estimation process |
| 2016 | 49,436 | -0.04% | estimation process |
| 2017 | 49,564 | 0.26% | estimation process |
| 2018 | 49,482 | -0.17% | estimation process |
| 2019 | 49,458 | -0.05% | estimation process |
| 2020 | 49,824 | 0.73% | estimation process |
People born in Dearborn County (6)
People born in Dearborn County, including politician John Whiteaker, blues-rock guitarist and vocalist Lonnie Mack, racecar driver Erwin Baker, .
More notable people
- David H. Helms (Recipient of the Medal of Honor) he was born in 21/09/1838
- William W. Chisman (Union Army Medal of Honor recipient) he was born in 01/01/1843
- John James Piatt (American official, writer and consul in Ireland) he was born in 01/03/1835
Indiana Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Marion County | 966,183 | County in Oregon, United States |
| Indianapolis | 877,903 | The sixteenth most populous city in the United States and the center of the Indianapolis metropolitan area. |
| Lake County | 487,536 | County in Indiana, United States |
| Allen County | 382,187 | County in Indiana, United States |
| Hamilton County | 344,238 | County in Indiana, United States |
| Fort Wayne | 272,398 | The second most populous city in Indiana and the center of the Fort Wayne metropolitan area. |
| Saint Joseph County | 271,484 | County in Indiana, United States |
| Elkhart County | 206,161 | County in Indiana, United States |
| Tippecanoe County | 196,115 | County in the northwest quadrant of Indiana, United States |
| Vanderburgh County | 182,447 | County in Indiana, United States |
| Hendricks County | 173,251 | County in Indiana, United States |
| Porter County | 170,980 | County in Indiana, United States |
| Johnson County | 160,607 | County in Indiana, United States |
| Monroe County | 148,219 | County in Indiana, United States |
| Madison County | 129,681 | County in Indiana, United States |
| Clark County | 119,266 | County in Indiana, United States |