Hardin County, Ohio
Hardin County: county in Ohio, United States of America
About
Hardin County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 32,058 and a population density of 26 people per km². After 10 years in 2020 county had an estimated population of 31,469 inhabitants. Its county seat is Kenton. The county was created 206 years ago in 1820.
County Snapshot
Hardin County at a glance
Hardin County currently has 10 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
10
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Ohio counties
88
Open related pagesLargest city
KentonPopulation 8,216
Top linked places
Quick Facts about Hardin County
| Population | 31,469 (2020) |
| Country | United States of America |
| State | Ohio (United States) |
| Different from | Hardin County, Hardin County, Hardin County, Hardin County, Hardin County |
| Plate code | 33 |
| Area | 1219 km2 |
| Water as percent of area | 0.1% |
| Land as percent of area | 99.9% |
| Latitude & Longitude | 40.6615,-83.6594 |
| Named for | John Hardin |
| Capital | Kenton |
| Establishment | February 12, 1820 |
| Time Zone | America/New_York |
| Local time | 04:54:25 (19th April 2026) |
| Density | 26 Pop. per km² as of 2020 |
| Population growth | -1.87% (2010-2020) |
| Weather | 51℉ Slight Chance Rain Showers 7-days weather |
Geography
Hardin County is located at 40°39'41"N 83°39'34"W (40.6615100, -83.6594400). It has 6 neighbors: Allen County, Auglaize County, Logan County, Marion County, Union County and Wyandot County.
Hardin County map
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The largest city of Hardin County is Kenton with a population of 8,216. Other cities include, Ada population 5,532, Forest population 1,444, Blanchard population 1,096 and Dunkirk population 842. See all Hardin County cities & populated places.
Hardin County Populated Places
Cities, towns, neighborhoods & other populated places in Hardin County.
| City Name | Population | Title |
|---|---|---|
| Kenton | 8,216 | City in Hardin County, Ohio, United States |
| Ada | 5,532 | Village in Hardin County, Ohio, United States |
| Forest | 1,444 | Village in Ohio, United States |
| Blanchard | 1,096 | Human settlement in Ohio, United States of America |
| Dunkirk | 842 | Village in Ohio, United States |
| Alger | 835 | Village in the United States |
| Roundhead | 698 | Township in Hardin County, Ohio |
| Mount Victory | 603 | Human settlement in Hardin County, Ohio, United States of America |
| McGuffey | 484 | Human settlement in Hardin County, Ohio, United States of America |
| Ridgeway | 328 | Human settlement in Ohio, United States of America |
Weather
A slight chance of rain showers. Mostly sunny, with a high near 51.
7-Day ForecastOfficial website of Hardin County
Official WebsiteDemographics
According to census records, the population of Hardin County decreased by 1.87% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 32,058 | - | census |
| 2011 | 31,806 | -0.79% | estimation process |
| 2012 | 31,632 | -0.55% | estimation process |
| 2013 | 31,747 | 0.36% | estimation process |
| 2014 | 31,784 | 0.12% | estimation process |
| 2015 | 31,616 | -0.53% | estimation process |
| 2016 | 31,398 | -0.69% | estimation process |
| 2017 | 31,329 | -0.22% | estimation process |
| 2018 | 31,418 | 0.28% | estimation process |
| 2019 | 31,365 | -0.17% | estimation process |
| 2020 | 31,469 | 0.33% | estimation process |
People born in Hardin County (2)
People born in Hardin County, including politician Nehemiah Green, lawyer Frank S. Monnett, .
More notable people
Other places with the same name (5)
- Hardin County, Kentucky county in Tennessee, United States with a population of 111,309 people.
- Hardin County, Texas county in Texas, United States with a population of 58,305 people.
- Hardin County, Tennessee county in Tennessee, United States with a population of 25,583 people.
- Hardin County, Iowa county in Iowa, United States with a population of 16,575 people.
- Hardin County, Illinois county in Illinois, United States with a population of 3,808 people.
Ohio Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Franklin County | 1,324,624 | County in Massachusetts, United States |
| Cuyahoga County | 1,227,883 | County in Ohio, United States |
| Columbus | 884,356 | The fifteenth most populous city in the United States and the center of the Columbus metropolitan area. |
| Hamilton County | 817,985 | County in New York, United States |
| Summit County | 538,866 | County in northern Utah, United States |
| Montgomery County | 531,610 | County in Ohio, United States |
| Lucas County | 428,294 | County in Ohio, United States |
| Butler County | 385,648 | County in Ohio, United States of America |
| Cleveland | 378,589 | The second most populous city in Ohio and the center of the Cleveland metropolitan area. |
| Stark County | 369,772 | County in Ohio, United States |
| Lorain County | 312,172 | County in Ohio, United States |
| Cincinnati | 304,548 | The third most populous city in Ohio and the center of the Cincinnati metropolitan area. |
| Toledo | 271,455 | The fourth most populous city in Ohio and the center of the Toledo metropolitan area. |
| Warren County | 238,412 | County in New York, United States |
| Lake County | 229,569 | County in Ohio, United States |
| Mahoning County | 226,075 | County in Ohio, United States |