Johnson County Demographics

A map of Johnson County's Population by Race

Johnson County, Indiana had a population of 161,765 in 2020. It was 84.5% White, 2.4% Black, 4.6% Asian, 4.0% Hispanic, 0.6% Native American/Other, and 3.9% Multiracial. This map presents the population of Johnson County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Johnson County is the 11th most populous county of the 92 counties in Indiana.

Johnson County's White Population

136,748 residents of Johnson County identify as White, or 84.5%. This makes the White share of the population of Johnson County slightly larger than the White share of the population of Indiana (75.5% White). Of the 92 counties in Indiana, Johnson County is ranked #68 in terms of White residents as a share of the population.

Johnson County is more White than neighboring Marion County (50.5% White), and Bartholomew County (78.3% White). Johnson County is less White than neighboring Shelby County (89.5% White), Brown County (93.5% White), and Morgan County (93.3% White).

Johnson County's Black Population

3,850 residents of Johnson County identify as Black, or 2.4%. This makes the Black share of the population of Johnson County slightly less than the Black share of the population of Indiana (9.4% Black). Of the 92 counties in Indiana, Johnson County is ranked #25 in terms of Black residents as a share of the population.

Johnson County is more Black than neighboring Shelby County (1.2% Black), Brown County (0.4% Black), Morgan County (0.5% Black), and Bartholomew County (2.2% Black). Johnson County is less Black than neighboring Marion County (27.2% Black).

Johnson County's Asian Population

7,420 residents of Johnson County identify as Asian, or 4.6%. This makes the Asian share of the population of Johnson County roughly similar to the Asian share of the population of Indiana (2.5% Asian). Of the 92 counties in Indiana, Johnson County is ranked #6 in terms of Asian residents as a share of the population.

Johnson County is more Asian than neighboring Marion County (4.1% Asian), Shelby County (0.8% Asian), Brown County (0.4% Asian), and Morgan County (0.4% Asian). Johnson County is less Asian than neighboring Bartholomew County (6.5% Asian).

Johnson County's Hispanic Population

6,394 residents of Johnson County identify as Hispanic, or 4.0%. This makes the Hispanic share of the population of Johnson County roughly similar to the Hispanic share of the population of Indiana (8.2% Hispanic). Of the 92 counties in Indiana, Johnson County is ranked #37 in terms of Hispanic residents as a share of the population.

Johnson County is more Hispanic than neighboring Brown County (1.7% Hispanic), and Morgan County (1.8% Hispanic). Johnson County is less Hispanic than neighboring Marion County (13.2% Hispanic), Shelby County (5.3% Hispanic), and Bartholomew County (8.8% Hispanic).

Johnson County's Native American/Other Population

972 residents of Johnson County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.6%. This makes the Native American/Other share of the population of Johnson 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, Johnson County is ranked #18 in terms of Native American/Other residents as a share of the population.

Johnson County is more Native American/Other than neighboring Shelby County (0.4% Native American/Other), Brown County (0.5% Native American/Other), and Morgan County (0.5% Native American/Other). Johnson County is less Native American/Other than neighboring Marion County (0.8% Native American/Other).

Johnson County's Multiracial Population

6,381 residents of Johnson County identify as Multiracial, or 3.9%. This makes the Multiracial share of the population of Johnson County roughly similar to the Multiracial share of the population of Indiana (3.9% Multiracial). Of the 92 counties in Indiana, Johnson County is ranked #21 in terms of Multiracial residents as a share of the population.

Johnson County is more Multiracial than neighboring Shelby County (2.9% Multiracial), Brown County (3.5% Multiracial), Morgan County (3.5% Multiracial), and Bartholomew County (3.6% Multiracial). Johnson County is less Multiracial than neighboring Marion County (4.2% Multiracial).

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