Ohio County Demographics

A map of Ohio County's Population by Race

Ohio County, Indiana has an estimated population of 5,999, a less than 1% change from the 5,940 recorded in the 2020 Census. The population is 94.8% White, 2.0% Multiracial, 1.9% Hispanic, 1.1% Asian, 0.2% Native American/Other, and 0.1% Black. This demographic dot map shows the population of Ohio County, with one dot drawn for each person counted by the Census, color-coded by race.

Ohio is about as racially diverse as it was in the 2020 Census. It is considerably less diverse than Indiana overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Ohio County, that probability was 10.1% in 2020 and 10.0% in the most recent ACS estimates.

Ohio County is ranked the 92nd most populous county in Indiana, out of 92 counties. Ohio County was ranked the 92nd most populous county in the 2020 Census.

Ohio County's White Population

5,687 residents of Ohio County, or 94.8% of the population, identify as White. The share of White residents in Ohio County is significantly higher than in Indiana overall, where 75.4% of the population is White. Ohio County ranks 11th statewide in terms of White residents as a share of the population, out of 92 counties.

Since the 2020 Census, Ohio County's White population has grown by an estimated 1.0%. White residents' share of Ohio County's population has remained roughly unchanged at 94.8%.

Ohio County is more White than neighboring Switzerland County (94.6% White), Dearborn County (94.1% White), Gallatin County (87.7% White), Boone County (82.3% White), and Carroll County (85.6% White).

Ohio County's Black Population

5 residents of Ohio County, or 0.1% of the population, identify as Black. The share of Black residents in Ohio County is lower than in Indiana overall, where 9.1% of the population is Black. Ohio County ranks 81st statewide in terms of Black residents as a share of the population, out of 92 counties.

Since the 2020 Census, Ohio County's Black population has declined by an estimated 68.8%. Black residents' share of Ohio County's population has remained roughly unchanged at 0.1%.

Ohio County is less Black than neighboring Switzerland County (0.3% Black), Dearborn County (0.3% Black), Gallatin County (2.7% Black), Boone County (4.4% Black), and Carroll County (2.2% Black).

Ohio County's Asian Population

64 residents of Ohio County, or 1.1% of the population, identify as Asian. The share of Asian residents in Ohio County is comparable to the share in Indiana overall, where 2.6% of the population is Asian. Ohio County ranks 44th statewide in terms of Asian residents as a share of the population, out of 92 counties.

Since the 2020 Census, Ohio County's Asian population has grown by an estimated 120.7%. Asian residents' share of Ohio County's population has increased from 0.5% to 1.1%.

Ohio County is more Asian than neighboring Switzerland County (0.3% Asian), Dearborn County (0.5% Asian), Gallatin County (0.5% Asian), and Carroll County (0% Asian). Ohio County is less Asian than neighboring Boone County (2.4% Asian).

Ohio County's Hispanic Population

112 residents of Ohio County, or 1.9% of the population, identify as Hispanic. The share of Hispanic residents in Ohio County is lower than in Indiana overall, where 8.6% of the population is Hispanic. Ohio County ranks 84th statewide in terms of Hispanic residents as a share of the population, out of 92 counties.

Since the 2020 Census, Ohio County's Hispanic population has grown by an estimated 41.8%. Hispanic residents' share of Ohio County's population has increased from 1.3% to 1.9%.

Ohio County is more Hispanic than neighboring Switzerland County (0.6% Hispanic), and Dearborn County (1.6% Hispanic). Ohio County is less Hispanic than neighboring Gallatin County (5.5% Hispanic), Boone County (5.9% Hispanic), and Carroll County (7.5% Hispanic).

Ohio County's Native American/Other Population

10 residents of Ohio County, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Ohio County is comparable to the share in Indiana overall, where 0.5% of the population is Native American/Other. Ohio County ranks 82nd statewide in terms of Native American/Other residents as a share of the population, out of 92 counties.

Since the 2020 Census, Ohio County's Native American/Other population has declined by an estimated 50.0%. Native American/Other residents' share of Ohio County's population has remained roughly unchanged at 0.2%.

Ohio County is less Native American/Other than neighboring Switzerland County (0.4% Native American/Other), Dearborn County (0.6% Native American/Other), Gallatin County (0.8% Native American/Other), Boone County (0.8% Native American/Other), and Carroll County (0.6% Native American/Other).

Ohio County's Multiracial Population

121 residents of Ohio County, or 2.0% of the population, identify as Multiracial. The share of Multiracial residents in Ohio County is comparable to the share in Indiana overall, where 3.8% of the population is Multiracial. Ohio County ranks 72nd statewide in terms of Multiracial residents as a share of the population, out of 92 counties.

Since the 2020 Census, Ohio County's Multiracial population has declined by an estimated 27.5%. Multiracial residents' share of Ohio County's population has decreased from 2.8% to 2.0%.

Ohio County is less Multiracial than neighboring Switzerland County (3.8% Multiracial), Dearborn County (3% Multiracial), Gallatin County (2.9% Multiracial), Boone County (4.2% Multiracial), and Carroll County (4% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.