Mercer County, Ohio
Mercer County: County in Ohio, United States
About
Mercer County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 40,814 and a population density of 33 people per km². After 10 years in 2020 county had an estimated population of 41,274 inhabitants. Its county seat is Celina. The county was created 201 years ago in 1824.
![Mercer County locator map](https://cdn.mapsof.net/images/516/5162679/mercer-county-oh-locator-map-image_189030.png)
Quick Facts about Mercer County
Population : | 41,274 (2020) |
Country : | United States of America |
State : | Ohio (United States) |
Different from : | Mercer County, Mercer County, Mercer County, Mercer County, Mercer County, Mercer County, Mercer County |
Plate code : | 54 |
Area : | 1226 km2 |
Water as percent of area : | 2.3% |
Land as percent of area : | 97.7% |
Named for : | Hugh Mercer |
Capital : | Celina |
Establishment : | January 01, 1824 |
Time Zone : | America/New_York |
Local time : | 2/12/2025 - 8:36:57 AM |
Density : | 34 Pop. per km² as of 2020 |
Population growth : | 1.11% (2010-2020) |
![Mercer County Courthouse Celina Ohio image](https://cdn.mapsof.net/images/516/5162679/mercer-county-oh-image_65975.jpg)
![Mercer County Courthouse Celina Ohio image](https://cdn.mapsof.net/images/516/5162679/mercer-county-oh-image_65975.jpg)
Geography
Mercer County is located at 40°32'24"N 84°37'46"W (40.5400100, -84.6293600). It has 6 neighbors: Adams County, Jay County, Auglaize County, Darke County, Shelby County and Van Wert County.
Mercer County map
The largest city of Mercer County is Celina with a population of 10,438. Other cities include, Saint Joseph population 2,784, Saint Henry population 2,574, Rockford population 1,105 and Wabash population 840. See all Mercer County cities & populated places.
Mercer County Populated Places
Cities, towns, neighborhoods & other populated places in Mercer County.
City Name | Population | Title |
---|---|---|
Celina | 10,438 | City in Ohio, USA |
Coldwater | 4,562 | Town |
Saint Joseph | 2,784 | Human settlement in United States of America |
Saint Henry | 2,574 | Human settlement in Mercer County, Ohio, United States of America |
Fort Recovery | 1,470 | Village in Ohio, USA |
Rockford | 1,105 | Human settlement in Mercer County, Ohio, United States of America |
Wabash | 840 | Human settlement in United States of America |
Mendon | 642 | Human settlement in Mercer County, Ohio, United States of America |
Chickasaw | 297 | Human settlement in Mercer County, Ohio, United States of America |
Burkettsville | 281 | Human settlement in Ohio, United States of America |
Montezuma | 158 | Village in Ohio, USA |
- Official Website
Official website of Mercer County
Mercer County has 6 neighbours.
- Adams County county in Indiana, United States
- Jay County county in Indiana, United States of America
- Auglaize County county in Ohio, United States
- Darke County county in Ohio, United States
- Shelby County county in Ohio, United States
- Van Wert County county in Ohio, United States
- Celina
Demographics
The population of Mercer County increased by 1.11% in 10 years.
Year | Population | % Change | Method |
2010 | 40,814 | - | census |
2011 | 40,715 | -0.24% | estimation process |
2012 | 40,705 | -0.02% | estimation process |
2013 | 40,615 | -0.22% | estimation process |
2014 | 40,730 | 0.28% | estimation process |
2015 | 40,723 | -0.02% | estimation process |
2016 | 40,715 | -0.02% | estimation process |
2017 | 40,858 | 0.35% | estimation process |
2018 | 40,952 | 0.23% | estimation process |
2019 | 41,172 | 0.53% | estimation process |
2020 | 41,274 | 0.25% | estimation process |
People born in Mercer County (1)
American baseball player Bruno Betzel was born in Mercer County
Other places with the same name (8)
- Mercer County , New Jersey county in West Virginia, United States with a population of 367,239 people.
- Mercer County , Pennsylvania county in Pennsylvania, United States with a population of 108,545 people.
- Mercer County , West Virginia county in West Virginia, United States with a population of 58,258 people.
- Mercer County , Kentucky county in Kentucky, United States with a population of 21,889 people.
- Mercer County , Illinois county in Illinois, United States with a population of 15,225 people.
- Mercer County , North Dakota county in North Dakota, United States with a population of 8,174 people.
- Mercer County , Missouri county in Missouri, United States with a population of 3,558 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 |