Marion County Demographics
A map of Marion County's Population by Race
Race | Population | Percent |
|---|---|---|
White | 30,918 | 92.5% |
Multiracial | 943 | 2.8% |
Hispanic | 700 | 2.1% |
Asian | 401 | 1.2% |
Black | 281 | 0.8% |
Native American/Other | 171 | 0.5% |
Marion County, Iowa had a population of 33,414 in 2020. It was 92.5% White, 0.8% Black, 1.2% Asian, 2.1% Hispanic, 0.5% Native American/Other, and 2.8% 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 22nd most populous county of the 99 counties in Iowa.
Marion County's White Population
30,918 residents of Marion County identify as White, or 92.5%. This makes the White share of the population of Marion County slightly larger than the White share of the population of Iowa (82.7% White). Of the 99 counties in Iowa, Marion County is ranked #44 in terms of White residents as a share of the population.
Marion County is more White than neighboring Jasper County (91.1% White), Mahaska County (91.3% White), and Warren County (91.4% White). Marion County is less White than neighboring Lucas County (94.4% White), and Monroe County (94.9% White).
Marion County's Black Population
281 residents of Marion County identify as Black, or 0.8%. This makes the Black share of the population of Marion County roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 99 counties in Iowa, Marion County is ranked #45 in terms of Black residents as a share of the population.
Marion County is more Black than neighboring Lucas County (0.2% Black), and Monroe County (0.2% Black). Marion County is less Black than neighboring Jasper County (1.8% Black), Mahaska County (1.7% Black), and Warren County (0.9% Black).
Marion County's Asian Population
401 residents of Marion County identify as Asian, or 1.2%. This makes the Asian share of the population of Marion County roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 99 counties in Iowa, Marion County is ranked #19 in terms of Asian residents as a share of the population.
Marion County is more Asian than neighboring Jasper County (0.6% Asian), Lucas County (0.3% Asian), Monroe County (0.2% Asian), Mahaska County (1.1% Asian), and Warren County (0.7% Asian).
Marion County's Hispanic Population
700 residents of Marion County identify as Hispanic, or 2.1%. This makes the Hispanic share of the population of Marion County roughly similar to the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 99 counties in Iowa, Marion County is ranked #80 in terms of Hispanic residents as a share of the population.
Marion County is more Hispanic than neighboring Monroe County (1.5% Hispanic). Marion County is less Hispanic than neighboring Jasper County (2.9% Hispanic), Lucas County (2.3% Hispanic), Mahaska County (2.2% Hispanic), and Warren County (3.2% Hispanic).
Marion County's Native American/Other Population
171 residents of Marion County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.5%. 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 Iowa (0.7% Native American/Other). Of the 99 counties in Iowa, Marion County is ranked #40 in terms of Native American/Other residents as a share of the population.
Marion County is more Native American/Other than neighboring Lucas County (0.1% Native American/Other), and Mahaska County (0.4% Native American/Other). Marion County is less Native American/Other than neighboring Jasper County (0.6% Native American/Other), and Monroe County (0.6% Native American/Other).
Marion County's Multiracial Population
943 residents of Marion County identify as Multiracial, or 2.8%. This makes the Multiracial share of the population of Marion County roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 99 counties in Iowa, Marion County is ranked #32 in terms of Multiracial residents as a share of the population.
Marion County is more Multiracial than neighboring Lucas County (2.6% Multiracial), and Monroe County (2.5% Multiracial). Marion County is less Multiracial than neighboring Jasper County (3.1% Multiracial), Mahaska County (3.3% Multiracial), and Warren County (3.3% Multiracial).
Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.