Sullivan County, Indiana
Sullivan County: county in Indiana, United States
About
Sullivan County is a county located in the U.S. state of Indiana. As of the 2010 census, the population was 21,475 and a population density of 18 people per km². After 10 years in 2020 county had an estimated population of 20,578 inhabitants. Its county seat is Sullivan. The county was created 209 years ago in 1816.
County Snapshot
Sullivan County at a glance
Sullivan 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.
Indiana counties
92
Open related pagesLargest city
SullivanPopulation 4,089
Top linked places
Quick Facts about Sullivan County
| Population | 20,578 (2020) |
| Country | United States of America |
| State | Indiana (United States) |
| Different from | Sullivan County, Sullivan County, Sullivan County, Sullivan County, Sullivan County |
| Area | 1176 km2 |
| Water as percent of area | 1.53% |
| Land as percent of area | 98.47% |
| Latitude & Longitude | 39.0888,-87.4147 |
| Named for | Daniel Sullivan |
| Capital | Sullivan |
| Establishment | December 30, 1816 |
| Time Zone | Eastern Time Zone |
| Local time | 17:14:05 (16th April 2026) |
| Density | 17 Pop. per km² as of 2020 |
| Population growth | -4.36% (2010-2020) |
| Weather | 79℉ Showers And Thunderstorms then Chance Showers And Thunderstorms 7-days weather |
Geography
Sullivan County is located at 39°5'20"N 87°24'53"W (39.0888300, -87.4146900). It has 6 neighbors: Clark County, Crawford County, Clay County, Greene County, Knox County and Vigo County.
Sullivan County map
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The largest city of Sullivan County is Sullivan with a population of 4,089. Other cities include, Cass population 1,791, Shelburn population 1,222, Farmersburg population 1,066 and Dugger population 864. See all Sullivan County cities & populated places.
Sullivan County Populated Places
Cities, towns, neighborhoods & other populated places in Sullivan County.
| City Name | Population | Title |
|---|---|---|
| Sullivan | 4,089 | City in the U. |
| Cass | 1,791 | Unincorporated community in Sullivan County, Minnesota |
| Shelburn | 1,222 | Town of the United States |
| Farmersburg | 1,066 | City in Clayton County, Iowa, United States of America |
| Dugger | 864 | Town of the United States |
| Hymera | 758 | Human settlement in Sullivan County, Indiana, United States of America |
| Baker | 754 | Unincorporated community in Indiana, United States |
| Fairbanks | 695 | Township in Sullivan County, Indiana |
| Carlisle | 653 | Human settlement in Sullivan County, Indiana, United States of America |
| Merom | 214 | Human settlement in Sullivan County, Indiana, United States of America |
Weather
Showers and thunderstorms before 9am, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Southwest wind around 13 mph, wit...
7-Day ForecastOfficial website of Sullivan County
Official Website- Sullivan
Demographics
According to census records, the population of Sullivan County decreased by 4.36% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 21,475 | - | census |
| 2011 | 21,218 | -1.21% | estimation process |
| 2012 | 21,203 | -0.07% | estimation process |
| 2013 | 21,138 | -0.31% | estimation process |
| 2014 | 20,995 | -0.68% | estimation process |
| 2015 | 20,874 | -0.58% | estimation process |
| 2016 | 20,710 | -0.79% | estimation process |
| 2017 | 20,700 | -0.05% | estimation process |
| 2018 | 20,696 | -0.02% | estimation process |
| 2019 | 20,669 | -0.13% | estimation process |
| 2020 | 20,578 | -0.44% | estimation process |
People born in Sullivan County (3)
People born in Sullivan County, including cinematographer Ted McCord, football, basketball, and baseball coach, college athletics administrator Paul "Billy" Williams, Mayor of Terre Haute, Indiana 1917-21 Charles Rowin Hunter, .
More notable people
Other places with the same name (5)
- Sullivan County, Tennessee county in New York, United States with a population of 158,755 people.
- Sullivan County, New York county in New York, United States with a population of 75,802 people.
- Sullivan County, New Hampshire county in New Hampshire, United States with a population of 43,267 people.
- Sullivan County, Missouri county in Missouri, United States with a population of 6,033 people.
- Sullivan County, Pennsylvania county in Pennsylvania, United States with a population of 5,913 people.
Indiana Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Marion County | 966,183 | County in Oregon, United States |
| Indianapolis | 877,903 | The sixteenth most populous city in the United States and the center of the Indianapolis metropolitan area. |
| Lake County | 487,536 | County in Indiana, United States |
| Allen County | 382,187 | County in Indiana, United States |
| Hamilton County | 344,238 | County in Indiana, United States |
| Fort Wayne | 272,398 | The second most populous city in Indiana and the center of the Fort Wayne metropolitan area. |
| Saint Joseph County | 271,484 | County in Indiana, United States |
| Elkhart County | 206,161 | County in Indiana, United States |
| Tippecanoe County | 196,115 | County in the northwest quadrant of Indiana, United States |
| Vanderburgh County | 182,447 | County in Indiana, United States |
| Hendricks County | 173,251 | County in Indiana, United States |
| Porter County | 170,980 | County in Indiana, United States |
| Johnson County | 160,607 | County in Indiana, United States |
| Monroe County | 148,219 | County in Indiana, United States |
| Madison County | 129,681 | County in Indiana, United States |
| Clark County | 119,266 | County in Indiana, United States |