DeKalb County, Indiana
DeKalb County: county in Indiana, United States
About
DeKalb County is a county located in the U.S. state of Indiana. As of the 2010 census, the population was 42,223 and a population density of 45 people per km². After 10 years in 2020 county had an estimated population of 43,670 inhabitants. Its county seat is Auburn. The county was created 189 years ago in 1836.
County Snapshot
DeKalb County at a glance
DeKalb County currently has 8 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
8
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
AuburnPopulation 13,617
Top linked places
Quick Facts about DeKalb County
| Population | 43,670 (2020) |
| Country | United States of America |
| State | Indiana (United States) |
| Different from | DeKalb County, DeKalb County, DeKalb County, DeKalb County, DeKalb County |
| Area | 942 km2 |
| Water as percent of area | 0.28% |
| Land as percent of area | 99.72% |
| Latitude & Longitude | 41.3976,-84.9991 |
| Named for | Johann de Kalb |
| Capital | Auburn |
| Establishment | January 01, 1837 |
| Time Zone | Eastern Time Zone |
| Local time | 04:55:38 (15th April 2026) |
| Density | 46 Pop. per km² as of 2020 |
| Population growth | 3.31% (2010-2020) |
| Weather | 77℉ Rain Showers Likely 7-days weather |
Geography
DeKalb County is located at 41°23'51"N 84°59'57"W (41.3975800, -84.9990900). It has 5 neighbors: Allen County, LaGrange County, Noble County, Steuben County and Defiance County.
DeKalb County map
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The largest city of DeKalb County is Auburn with a population of 13,617. Other cities include, Garrett population 6,429, Ashley population 988, Butler population 838 and Saint Joe population 474. See all DeKalb County cities & populated places.
DeKalb County Populated Places
Cities, towns, neighborhoods & other populated places in DeKalb County.
| City Name | Population | Title |
|---|---|---|
| Auburn | 13,617 | City in DeKalb County, Indiana, United States |
| Garrett | 6,429 | City in DeKalb County, Indiana, United States of America |
| Ashley | 988 | Town in Indiana |
| Butler | 838 | City in DeKalb County, Indiana, United States |
| Newville | 568 | Township in DeKalb County, Indiana |
| Saint Joe | 474 | Human settlement in DeKalb County, Indiana, United States of America |
| Corunna | 258 | Town in Indiana, United States |
| Altona | 199 | Town in Indiana, United States |
Weather
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
7-Day Forecast- Auburn
Demographics
The population of DeKalb County increased by 3.31% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 42,223 | - | census |
| 2011 | 42,494 | 0.64% | estimation process |
| 2012 | 42,328 | -0.39% | estimation process |
| 2013 | 42,369 | 0.1% | estimation process |
| 2014 | 42,428 | 0.14% | estimation process |
| 2015 | 42,496 | 0.16% | estimation process |
| 2016 | 42,652 | 0.37% | estimation process |
| 2017 | 42,806 | 0.36% | estimation process |
| 2018 | 43,208 | 0.93% | estimation process |
| 2019 | 43,475 | 0.61% | estimation process |
| 2020 | 43,670 | 0.45% | estimation process |
People born in DeKalb County (1)
Clement A. Lounsberry was born in DeKalb County
Other places with the same name (5)
- DeKalb County, Georgia county in Georgia, United States with a population of 762,009 people.
- DeKalb County, Illinois county in Illinois, United States with a population of 104,491 people.
- DeKalb County, Alabama county in Alabama, United States with a population of 71,658 people.
- DeKalb County, Tennessee county in Tennessee, United States with a population of 20,837 people.
- DeKalb County, Missouri county in Missouri, United States with a population of 10,944 people.
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 |