Des Moines County Demographics

A map of Des Moines County's Population by Race

Des Moines County, Iowa had a population of 38,910 in 2020. It was 84.2% White, 6.4% Black, 1.0% Asian, 3.2% Hispanic, 0.6% Native American/Other, and 4.6% Multiracial. This map presents the population of Des Moines County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Des Moines County is the 16th most populous county of the 99 counties in Iowa.

Des Moines County's White Population

32,753 residents of Des Moines County identify as White, or 84.2%. This makes the White share of the population of Des Moines County roughly similar to the White share of the population of Iowa (82.7% White). Of the 99 counties in Iowa, Des Moines County is ranked #80 in terms of White residents as a share of the population.

Des Moines County is more White than neighboring Louisa County (78.3% White). Des Moines County is less White than neighboring Henderson County (94.9% White), Henry County (86.1% White), Lee County (89.1% White), and Hancock County (94.2% White).

Des Moines County's Black Population

2,501 residents of Des Moines County identify as Black, or 6.4%. This makes the Black share of the population of Des Moines County roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 99 counties in Iowa, Des Moines County is ranked #6 in terms of Black residents as a share of the population.

Des Moines County is more Black than neighboring Henderson County (0.5% Black), Louisa County (0.7% Black), Henry County (2.4% Black), Lee County (2.7% Black), and Hancock County (0.4% Black).

Des Moines County's Asian Population

398 residents of Des Moines County identify as Asian, or 1.0%. This makes the Asian share of the population of Des Moines County roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 99 counties in Iowa, Des Moines County is ranked #23 in terms of Asian residents as a share of the population.

Des Moines County is more Asian than neighboring Henderson County (0.2% Asian), Lee County (0.4% Asian), and Hancock County (0.3% Asian). Des Moines County is less Asian than neighboring Louisa County (2.4% Asian), and Henry County (2.2% Asian).

Des Moines County's Hispanic Population

1,245 residents of Des Moines County identify as Hispanic, or 3.2%. This makes the Hispanic share of the population of Des Moines County roughly similar to the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 99 counties in Iowa, Des Moines County is ranked #51 in terms of Hispanic residents as a share of the population.

Des Moines County is more Hispanic than neighboring Henderson County (1.8% Hispanic), and Hancock County (1.8% Hispanic). Des Moines County is less Hispanic than neighboring Louisa County (15.9% Hispanic), Henry County (5.3% Hispanic), and Lee County (3.3% Hispanic).

Des Moines County's Native American/Other Population

216 residents of Des Moines 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 Des Moines 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, Des Moines County is ranked #34 in terms of Native American/Other residents as a share of the population.

Des Moines County is more Native American/Other than neighboring Henderson County (0.2% Native American/Other), Louisa County (0.2% Native American/Other), Lee County (0.4% Native American/Other), and Hancock County (0.4% Native American/Other). Des Moines County is less Native American/Other than neighboring Henry County (0.7% Native American/Other).

Des Moines County's Multiracial Population

1,797 residents of Des Moines County identify as Multiracial, or 4.6%. This makes the Multiracial share of the population of Des Moines County roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 99 counties in Iowa, Des Moines County is ranked #2 in terms of Multiracial residents as a share of the population.

Des Moines County is more Multiracial than neighboring Henderson County (2.5% Multiracial), Louisa County (2.4% Multiracial), Henry County (3.2% Multiracial), Lee County (4.2% Multiracial), and Hancock County (2.8% Multiracial).

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