Mercer County, Missouri
Mercer County: County in Missouri, United States
About
Mercer County is a county located in the U.S. state of Missouri. As of the 2010 census, the population was 3,785 and a population density of 3 people per km². After 10 years in 2020 county had an estimated population of 3,558 inhabitants. Its county seat is Princeton. The county was created 180 years ago in 1844.
![Mercer County locator map](https://cdn.mapsof.net/images/506/5056253/mercer-county-mo-locator-map-image_190640.png)
Quick Facts about Mercer County
Population : | 3,558 (2020) |
Country : | United States of America |
State : | Missouri (United States) |
Different from : | Mercer County, Mercer County, Mercer County, Mercer County, Mercer County, Mercer County, Mercer County |
Area : | 1179 km2 |
Water as percent of area : | 0.3% |
Land as percent of area : | 99.7% |
Named for : | John Francis Mercer |
Capital : | Princeton |
Establishment : | January 01, 1845 |
Time Zone : | America/Chicago |
Local time : | 2/12/2025 - 10:02:57 AM |
Density : | 3 Pop. per km² as of 2020 |
Population growth : | -6.38% (2010-2020) |
![Mercer County Missouri Courthouse 20151003-051 image](https://cdn.mapsof.net/images/506/5056253/mercer-county-mo-image_67203.jpg)
![Mercer County Missouri Courthouse 20151003-051 image](https://cdn.mapsof.net/images/506/5056253/mercer-county-mo-image_67203.jpg)
Geography
Mercer County is located at 40°25'20"N 93°34'7"W (40.4223300, -93.5685600). It has 6 neighbors: Decatur County, Wayne County, Grundy County, Harrison County, Putnam County and Sullivan County.
Mercer County map
The largest city of Mercer County is Princeton with a population of 1,078. Other cities include and Mercer population 296. See all Mercer County cities & populated places.
Mercer County Populated Places
Cities, towns, neighborhoods & other populated places in Mercer County.
City Name | Population | Title |
---|---|---|
Princeton | 1,078 | City in Mercer County, Missouri |
Mercer | 296 | City in Missouri, USA |
Ravanna | 205 | Township in Mercer County, Missouri |
South Lineville | 27 | Village in the United States |
Mercer County has 6 neighbours.
- Decatur County county in Iowa, United States
- Wayne County county in Iowa, United States
- Grundy County county in Missouri, United States
- Harrison County county in northwest Missouri, United States
- Putnam County county in Missouri, United States
- Sullivan County county in Missouri, United States
- Princeton
Demographics
According to census records, the population of Mercer County decreased by 6.38% in 10 years.
Year | Population | % Change | Method |
2010 | 3,785 | - | census |
2011 | 3,774 | -0.29% | estimation process |
2012 | 3,708 | -1.78% | estimation process |
2013 | 3,664 | -1.2% | estimation process |
2014 | 3,683 | 0.52% | estimation process |
2015 | 3,660 | -0.63% | estimation process |
2016 | 3,661 | 0.03% | estimation process |
2017 | 3,656 | -0.14% | estimation process |
2018 | 3,626 | -0.83% | estimation process |
2019 | 3,617 | -0.25% | estimation process |
2020 | 3,558 | -1.66% | estimation process |
People born in Mercer County (1)
Texas politician Roy Alvin Baldwin 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 , Ohio county in Ohio, United States with a population of 41,274 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.
Missouri Other Counties (more counties)
County Name | Population | Title |
---|---|---|
Saint Louis County | 994,020 | County in Minnesota, United States |
Jackson County | 705,925 | County in Oregon, United States |
Kansas City | 495,327 | The third most populous city in Missouri and the center of the Kansas City metropolitan area. |
Saint Charles County | 406,204 | County in Missouri, United States |
St. Louis | 315,685 | The second most populous city in Missouri and the center of the St. |
Greene County | 294,997 | County in Tennessee, United States |
Clay County | 253,463 | County in North Carolina, United States |
Jefferson County | 226,543 | County in Missouri, United States |
Boone County | 182,991 | County in West Virginia, United States |
Columbia | 124,769 | The most populous city in the state of Missouri. |
Jasper County | 121,648 | County in South Carolina, United States |
Independence | 116,774 | A city in Jackson County, Missouri. |
East Independence | 110,675 | A census-designated place in Jackson County, Missouri. |
Cass County | 106,806 | County in Missouri, United States |
Platte County | 106,532 | County in Wyoming, United States |
Franklin County | 104,469 | County in Missouri, United States |