Allen County, Ohio
Allen County: County in Ohio, United States
About
Allen County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 106,331 and a population density of 101 people per km². After 10 years in 2020 county had an estimated population of 101,980 inhabitants. Its county seat is Lima. The county was created 192 years ago in 1831.
Quick Facts about Allen County
Population : | 101,980 (2020) |
Country : | United States of America |
State : | Ohio (United States) |
Different from : | Alleghany County, Allegany County, Allegan County, Allegheny County, Alleghany County |
Plate code : | 02 |
Area : | 1054 km2 |
Official name : | Allen County |
Water as percent of area : | 1.1% |
Land as percent of area : | 98.9% |
Named for : | Ethan Allen |
Capital : | Lima |
Establishment : | March 03, 1831 |
Time Zone : | America/New_York |
Local time : | 04:33:46 (2nd June 2023) |
Density : | 97 Pop. per km² as of 2020 |
Population growth : | -4.27% (2010-2020) |



Geography
Allen County is located at 40°46'17"N 84°6'21"W (40.7715200, -84.1057800). It has 4 neighbors: Auglaize County, Hardin County, Putnam County and Van Wert County.
Allen County map
The largest city of Allen County is Fort Shawnee with a population of 3,726. Other cities include, Spencerville population 2,142, Harrod population 406 and Beaverdam population 369. See all Allen County cities & populated places.
Allen County Populated Places
Cities, Towns, Neighborhoods & Other Populated Places in Allen County.
City Name | Population | Title |
---|---|---|
Bluffton | 4,030 | Town in northwest Ohio |
Fort Shawnee | 3,726 | City in Allen County, Ohio, United States of America |
Spencerville | 2,142 | City in Allen County, Ohio, United States of America |
Elida | 1,810 | Town in New Mexico, United States |
Cairo | 520 | Town in Ohio, United States |
Harrod | 406 | Human settlement in Allen County, Ohio, United States of America |
Beaverdam | 369 | Human settlement in Allen County, Ohio, United States of America |
- Official Website
Official website of Allen County
Allen County has 4 neighbours.
- Auglaize County county in Ohio, United States
- Hardin County county in Ohio, United States of America
- Putnam County county in Ohio, United States
- Van Wert County county in Ohio, United States
- Lima
Demographics
According to census records, the population of Allen County decreased by 4.27% in 10 years.
Year | Population | % Change | Method |
2010 | 106,331 | - | census |
2011 | 105,988 | -0.32% | estimation process |
2012 | 105,244 | -0.71% | estimation process |
2013 | 105,055 | -0.18% | estimation process |
2014 | 104,848 | -0.2% | estimation process |
2015 | 104,095 | -0.72% | estimation process |
2016 | 103,613 | -0.47% | estimation process |
2017 | 103,093 | -0.5% | estimation process |
2018 | 102,725 | -0.36% | estimation process |
2019 | 102,351 | -0.37% | estimation process |
2020 | 101,980 | -0.36% | estimation process |
Other places with the same name (4)
- Allen County , Indiana county in Indiana, United States with a population of 382,187 people.
- Allen County , Kentucky county in Kentucky, United States with a population of 21,303 people.
- Allen County , Kansas county in Kansas, United States with a population of 12,399 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 | Capital city of Ohio, United States |
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 | City in Ohio, United States |
Stark County | 369,772 | County in Ohio, United States |
Lorain County | 312,172 | County in Ohio, United States |
Cincinnati | 304,548 | City in Ohio, United States; county seat of Hamilton County |
Toledo | 271,455 | County seat of Lucas County, Ohio, United States |
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 |