Decatur County Demographics

A map of Decatur County's Population by Race

Decatur County, Indiana had a population of 26,472 in 2020. It was 93.6% White, 0.3% Black, 0.6% Asian, 2.3% Hispanic, 0.3% Native American/Other, and 2.9% Multiracial. This map presents the population of Decatur County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Decatur County is the 59th most populous county of the 92 counties in Indiana.

Decatur County's White Population

24,769 residents of Decatur County identify as White, or 93.6%. This makes the White share of the population of Decatur County larger than the White share of the population of Indiana (75.5% White). Of the 92 counties in Indiana, Decatur County is ranked #20 in terms of White residents as a share of the population.

Decatur County is more White than neighboring Jennings County (92.9% White), Shelby County (89.5% White), and Bartholomew County (78.3% White). Decatur County is less White than neighboring Ripley County (93.9% White), and Rush County (94.8% White).

Decatur County's Black Population

90 residents of Decatur County identify as Black, or 0.3%. This makes the Black share of the population of Decatur County slightly less than the Black share of the population of Indiana (9.4% Black). Of the 92 counties in Indiana, Decatur County is ranked #75 in terms of Black residents as a share of the population.

Decatur County is less Black than neighboring Rush County (0.5% Black), Jennings County (0.6% Black), Shelby County (1.2% Black), and Bartholomew County (2.2% Black).

Decatur County's Asian Population

154 residents of Decatur County identify as Asian, or 0.6%. This makes the Asian share of the population of Decatur County roughly similar to the Asian share of the population of Indiana (2.5% Asian). Of the 92 counties in Indiana, Decatur County is ranked #36 in terms of Asian residents as a share of the population.

Decatur County is more Asian than neighboring Rush County (0.3% Asian), and Jennings County (0.2% Asian). Decatur County is less Asian than neighboring Shelby County (0.8% Asian), and Bartholomew County (6.5% Asian).

Decatur County's Hispanic Population

614 residents of Decatur County identify as Hispanic, or 2.3%. This makes the Hispanic share of the population of Decatur County slightly less than the Hispanic share of the population of Indiana (8.2% Hispanic). Of the 92 counties in Indiana, Decatur County is ranked #61 in terms of Hispanic residents as a share of the population.

Decatur County is more Hispanic than neighboring Ripley County (1.9% Hispanic), and Rush County (1.5% Hispanic). Decatur County is less Hispanic than neighboring Jennings County (3.1% Hispanic), Shelby County (5.3% Hispanic), and Bartholomew County (8.8% Hispanic).

Decatur County's Native American/Other Population

82 residents of Decatur County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.3%. This makes the Native American/Other share of the population of Decatur County roughly similar to the Native American/Other share of the population of Indiana (0.6% Native American/Other). Of the 92 counties in Indiana, Decatur County is ranked #86 in terms of Native American/Other residents as a share of the population.

Decatur County is less Native American/Other than neighboring Shelby County (0.4% Native American/Other), and Bartholomew County (0.6% Native American/Other).

Decatur County's Multiracial Population

763 residents of Decatur County identify as Multiracial, or 2.9%. This makes the Multiracial share of the population of Decatur County roughly similar to the Multiracial share of the population of Indiana (3.9% Multiracial). Of the 92 counties in Indiana, Decatur County is ranked #66 in terms of Multiracial residents as a share of the population.

Decatur County is more Multiracial than neighboring Rush County (2.5% Multiracial), and Jennings County (2.8% Multiracial). Decatur County is less Multiracial than neighboring Ripley County (3.1% Multiracial), and Bartholomew County (3.6% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.