Fairfield County, Ohio
Fairfield County: county in Ohio, United States
About
Fairfield County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 146,156 and a population density of 111 people per km². After 10 years in 2020 county had an estimated population of 159,709 inhabitants. Its county seat is Lancaster. The county was created 225 years ago in 1800.
County Snapshot
Fairfield County at a glance
Fairfield County currently has 20 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
20
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
LancasterPopulation 40,932
Top linked places
Quick Facts about Fairfield County
| Population | 159,709 (2020) |
| Country | United States of America |
| State | Ohio (United States) |
| Different from | Fairfield County, Fairfield County |
| Twitter username | fairfieldco |
| Plate code | 23 |
| Area | 1317 km2 |
| Water as percent of area | 0.8% |
| Land as percent of area | 99.2% |
| Latitude & Longitude | 39.7516,-82.6306 |
| Capital | Lancaster |
| Establishment | December 09, 1800 |
| Time Zone | America/New_York |
| Local time | 20:24:46 (18th April 2026) |
| Density | 121 Pop. per km² as of 2020 |
| Population growth | 8.49% (2010-2020) |
| Weather | 78℉ Showers And Thunderstorms 7-days weather |
Geography
Fairfield County is located at 39°45'6"N 82°37'50"W (39.7516000, -82.6305900). It has 4 neighbors: Hocking County, Perry County, Pickaway County and Licking County.
Fairfield County map
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The largest city of Fairfield County is Lancaster with a population of 40,932. Other cities include, Pickerington population 22,835, Geneva population 5,899, Baltimore population 3,026 and Waterloo population 2,605. See all Fairfield County cities & populated places.
Fairfield County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Fairfield County.
| City Name | Population | Title |
|---|---|---|
| Lancaster | 40,932 | The county seat of Fairfield County, Ohio. |
| Pickerington | 22,835 | City in Fairfield and Franklin counties, Ohio, United States |
| Geneva | 5,899 | City in Ashtabula County, Ohio, United States |
| Baltimore | 3,026 | Village in Ohio, United States |
| Waterloo | 2,605 | Human settlement in Ohio, United States |
| Carroll | 2,073 | Village in Fairfield County, Ohio, United States |
| Lithopolis | 1,916 | Human settlement in Ohio, United States of America |
| Jefferson | 1,821 | County in Ohio, United States |
| Bremen | 1,466 | Town in Ohio, United States |
| Royalton | 1,454 | Human settlement in Ohio, United States of America |
| Fairfield Beach | 1,292 | Census-designated place in Fairfield County, Ohio |
| Pleasant Hill | 1,258 | Human settlement in Miami County, Ohio, United States of America |
| Millersport | 1,081 | Human settlement in Fairfield County, Ohio, United States of America |
| Pleasantville | 963 | Village in Fairfield County, Ohio |
| Amanda | 746 | Town |
| Thurston | 607 | Place in Ohio |
Weather
A slight chance of rain showers between 8am and 11am, then showers and thunderstorms. Mostly cloudy. High near 78, with temperatures falling to around...
7-Day ForecastDemographics
The population of Fairfield County increased by 8.49% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 146,156 | - | census |
| 2011 | 147,174 | 0.69% | estimation process |
| 2012 | 147,301 | 0.09% | estimation process |
| 2013 | 148,796 | 1% | estimation process |
| 2014 | 150,360 | 1.04% | estimation process |
| 2015 | 151,254 | 0.59% | estimation process |
| 2016 | 152,789 | 1% | estimation process |
| 2017 | 154,686 | 1.23% | estimation process |
| 2018 | 155,982 | 0.83% | estimation process |
| 2019 | 157,574 | 1.01% | estimation process |
| 2020 | 159,709 | 1.34% | estimation process |
People born in Fairfield County (10)
People born in Fairfield County, including politician George Washington Glick, philanthropist Eleanor Sherman Thackara, Union United States Army officer Hoyt Sherman, .
More notable people
- Festus Walters (American judge) he was born in 30/09/1849
- Jacob Parrott (United States Army Medal of Honor recipient) he was born in 17/07/1843
- Moses B. Walker (Union Army general) he was born in 16/07/1819
- Fred L. Walker (U.S. Army general) he was born in 11/06/1887
- Samuel Jackson Swartz (former mayor of Columbus, Ohio) he was born in 08/02/1859
- James A. Lantz (American politician) he was born in 15/09/1921
- Tullius Clinton O'Kane (hymnwriter) he was born in 10/03/1830
Other places with the same name (2)
- Fairfield County, Connecticut county in Connecticut, United States with a population of 942,426 people.
- Fairfield County, South Carolina county in South Carolina, United States with a population of 22,059 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 |