Ohio County, Indiana

Ohio County: county in Indiana, United States

About

Ohio County is a county located in the U.S. state of Indiana. As of the 2010 census, the population was 6,128 and a population density of 27 people per km². After 10 years in 2020 county had an estimated population of 5,892 inhabitants. Its county seat is Rising Sun. The county was created 182 years ago in 1843.

Ohio County locator map
Location of Ohio County on Indiana map.

County Snapshot

Ohio County at a glance

Ohio County currently has 3 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

3

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Quick Facts about Ohio County

Population 5,892 (2020)
Country United States of America
State Indiana (United States)
Different from Ohio County, Ohio County
Area 227 km2
Water as percent of area 1.48%
Land as percent of area 98.52%
Latitude & Longitude 38.9501,-84.9650
Named for Ohio River
Capital Rising Sun
Establishment January 01, 1844
Time Zone Eastern Time Zone
Local time 05:40:40 (18th April 2026)
Density 26 Pop. per km² as of 2020
Population growth -4.01% (2010-2020)
Weather 79℉ Showers And Thunderstorms Likely 7-days weather
Ohio County Indiana Courthouse image
Ohio County Indiana Courthouse image

Geography

Ohio County is located at 38°57'0"N 84°57'54"W (38.9501000, -84.9650300). It has 3 neighbors: Boone County, Dearborn County and Switzerland County.

Ohio County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Ohio County is Rising Sun with a population of 2,131. Other cities include and Milton population 443. See all Ohio County cities & populated places.

Ohio County Populated Places

Cities, towns, neighborhoods & other populated places in Ohio County.

City Name Population Title
Hartford 5,668 Township in Adams County, Indiana
Rising Sun 2,131 County seat in Indiana
Milton 443 Town in Indiana, USA

Weather

79°F
Showers And Thunderstorms Likely
7 to 13 mph SW Saturday

Showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.

7-Day Forecast
  • Rising Sun

Demographics

According to census records, the population of Ohio County decreased by 4.01% in 10 years.

Year Population % Change Method
2010 6,128 - census
2011 6,052 -1.26% estimation process
2012 6,055 0.05% estimation process
2013 5,986 -1.15% estimation process
2014 5,957 -0.49% estimation process
2015 5,877 -1.36% estimation process
2016 5,885 0.14% estimation process
2017 5,854 -0.53% estimation process
2018 5,879 0.43% estimation process
2019 5,875 -0.07% estimation process
2020 5,892 0.29% estimation process
Comitatul Ohio, Comte d'Ohio, Comte dOhio, Comté d'Ohio, Comté dOhio, Condado de Ohio, Condado han Ohio, Contea di Ohio, Hrabstwo Ohio, Ogajo, Ohayo srjan, Ohio, Ohio Kun, Ohio Kūn, Ohio konderria, Ohio megye, Okhajo, Okrug Okhajo, Quan Ohio, Quận Ohio, e hai e xian, oha'i'o ka'unti, ohaio jun, ohayo ka'unti, shhrstan awhayw ayndyana, Огайо, Округ Охајо, Охайо, Օհայո շրջան, اوہائیو کاؤنٹی، انڈیانا, شهرستان اوهایو، ایندیانا, مقاطعة أوهايو, ओहायो काउंटी, ওহাইও কাউন্টি, オハイオ郡, 俄亥俄县

Other places with the same name (2)

Indiana Other Counties (more counties)

County Name Population Title
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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
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Tippecanoe County 196,115 County in the northwest quadrant of Indiana, United States
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Porter County 170,980 County in Indiana, United States
Johnson County 160,607 County in Indiana, United States
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Madison County 129,681 County in Indiana, United States
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