Marion County Demographics

A map of Marion County's Population by Race

Marion County, Kansas had a population of 11,823 in 2020. It was 90.9% White, 1.0% Black, 0.3% Asian, 3.7% Hispanic, 0.9% Native American/Other, and 3.1% Multiracial. This map presents the population of Marion County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Marion County is the 37th most populous county of the 105 counties in Kansas.

Marion County's White Population

10,750 residents of Marion County identify as White, or 90.9%. This makes the White share of the population of Marion County larger than the White share of the population of Kansas (72.2% White). Of the 105 counties in Kansas, Marion County is ranked #25 in terms of White residents as a share of the population.

Marion County is more White than neighboring Harvey County (80.4% White), Chase County (86.6% White), Dickinson County (89.4% White), and McPherson County (87.7% White).

Marion County's Black Population

118 residents of Marion County identify as Black, or 1.0%. This makes the Black share of the population of Marion County roughly similar to the Black share of the population of Kansas (5.6% Black). Of the 105 counties in Kansas, Marion County is ranked #42 in terms of Black residents as a share of the population.

Marion County is more Black than neighboring Chase County (0.7% Black), Dickinson County (0.6% Black), and Morris County (0.3% Black). Marion County is less Black than neighboring Harvey County (1.8% Black), and McPherson County (1.6% Black).

Marion County's Asian Population

39 residents of Marion County identify as Asian, or 0.3%. This makes the Asian share of the population of Marion County roughly similar to the Asian share of the population of Kansas (2.9% Asian). Of the 105 counties in Kansas, Marion County is ranked #69 in terms of Asian residents as a share of the population.

Marion County is less Asian than neighboring Harvey County (0.8% Asian), Dickinson County (0.4% Asian), and McPherson County (0.7% Asian).

Marion County's Hispanic Population

442 residents of Marion County identify as Hispanic, or 3.7%. This makes the Hispanic share of the population of Marion County slightly less than the Hispanic share of the population of Kansas (13% Hispanic). Of the 105 counties in Kansas, Marion County is ranked #72 in terms of Hispanic residents as a share of the population.

Marion County is less Hispanic than neighboring Harvey County (11.9% Hispanic), Chase County (8.6% Hispanic), Dickinson County (4.9% Hispanic), McPherson County (5.3% Hispanic), and Morris County (4.2% Hispanic).

Marion County's Native American/Other Population

109 residents of Marion County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.9%. This makes the Native American/Other share of the population of Marion County roughly similar to the Native American/Other share of the population of Kansas (1.2% Native American/Other). Of the 105 counties in Kansas, Marion County is ranked #35 in terms of Native American/Other residents as a share of the population.

Marion County is more Native American/Other than neighboring Harvey County (0.8% Native American/Other), Chase County (0.7% Native American/Other), McPherson County (0.8% Native American/Other), and Morris County (0.4% Native American/Other).

Marion County's Multiracial Population

365 residents of Marion County identify as Multiracial, or 3.1%. This makes the Multiracial share of the population of Marion County roughly similar to the Multiracial share of the population of Kansas (5.1% Multiracial). Of the 105 counties in Kansas, Marion County is ranked #79 in terms of Multiracial residents as a share of the population.

Marion County is more Multiracial than neighboring Chase County (3% Multiracial). Marion County is less Multiracial than neighboring Harvey County (4.4% Multiracial), Dickinson County (3.8% Multiracial), McPherson County (3.9% Multiracial), and Morris County (3.8% Multiracial).

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