Muscatine County Demographics

A map of Muscatine County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	31,908	32,633	75.0%	75.5%
Hispanic	8,005	7,769	18.8%	18.0%
Multiracial	1,319	1,181	3.1%	2.7%
Black	946	1,086	2.2%	2.5%
Asian	272	404	0.6%	0.9%
Native American/Other	109	162	0.3%	0.4%

Muscatine County, Iowa has an estimated population of 42,559, a slight decrease from the 43,235 recorded in the 2020 Census. The population is 75.0% White, 18.8% Hispanic, 3.1% Multiracial, 2.2% Black, 0.6% Asian, and 0.3% Native American/Other. This demographic dot map shows the population of Muscatine County, with one dot drawn for each person counted by the Census, color-coded by race.

Muscatine is about as racially diverse as it was in the 2020 Census. It is considerably more diverse than Iowa overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Muscatine County, that probability was 39.6% in 2020 and 40.1% in the most recent ACS estimates.

Muscatine County is ranked the 14th most populous county in Iowa, out of 99 counties. Muscatine County was ranked the 13th most populous county in the 2020 Census.

Muscatine County's White Population

31,908 residents of Muscatine County, or 75.0% of the population, identify as White. The share of White residents in Muscatine County is lower than in Iowa overall, where 82.3% of the population is White. Muscatine County ranks 93rd statewide in terms of White residents as a share of the population, out of 99 counties.

Since the 2020 Census, Muscatine County's White population has declined by an estimated 2.2%. White residents' share of Muscatine County's population has decreased from 75.5% to 75.0%.

Muscatine County is more White than neighboring Johnson County (74.8% White). Muscatine County is less White than neighboring Cedar County (93.2% White), Louisa County (77% White), Mercer County (93.1% White), and Scott County (77% White).

Muscatine County's Black Population

946 residents of Muscatine County, or 2.2% of the population, identify as Black. The share of Black residents in Muscatine County is comparable to the share in Iowa overall, where 3.8% of the population is Black. Muscatine County ranks 18th statewide in terms of Black residents as a share of the population, out of 99 counties.

Since the 2020 Census, Muscatine County's Black population has declined by an estimated 12.9%. Black residents' share of Muscatine County's population has remained roughly unchanged at 2.2%.

Muscatine County is more Black than neighboring Cedar County (0.4% Black), Louisa County (0.9% Black), and Mercer County (0.6% Black). Muscatine County is less Black than neighboring Johnson County (7.6% Black), and Scott County (7.1% Black).

Muscatine County's Asian Population

272 residents of Muscatine County, or 0.6% of the population, identify as Asian. The share of Asian residents in Muscatine County is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Muscatine County ranks 24th statewide in terms of Asian residents as a share of the population, out of 99 counties.

Since the 2020 Census, Muscatine County's Asian population has declined by an estimated 32.7%. Asian residents' share of Muscatine County's population has remained roughly unchanged at 0.6%.

Muscatine County is more Asian than neighboring Cedar County (0.5% Asian), and Mercer County (0.4% Asian). Muscatine County is less Asian than neighboring Louisa County (2.2% Asian), Johnson County (5.6% Asian), and Scott County (2.8% Asian).

Muscatine County's Hispanic Population

8,005 residents of Muscatine County, or 18.8% of the population, identify as Hispanic. The share of Hispanic residents in Muscatine County is considerably higher than in Iowa overall, where 7.3% of the population is Hispanic. Muscatine County ranks 5th statewide in terms of Hispanic residents as a share of the population, out of 99 counties.

Since the 2020 Census, Muscatine County's Hispanic population has grown by an estimated 3.0%. Hispanic residents' share of Muscatine County's population has increased from 18.0% to 18.8%.

Muscatine County is more Hispanic than neighboring Cedar County (2.8% Hispanic), Louisa County (16.4% Hispanic), Mercer County (3.4% Hispanic), Johnson County (6.7% Hispanic), and Scott County (7.4% Hispanic).

Muscatine County's Native American/Other Population

109 residents of Muscatine County, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Muscatine County is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Muscatine County ranks 60th statewide in terms of Native American/Other residents as a share of the population, out of 99 counties.

Since the 2020 Census, Muscatine County's Native American/Other population has declined by an estimated 32.7%. Native American/Other residents' share of Muscatine County's population has remained roughly unchanged at 0.3%.

Muscatine County is more Native American/Other than neighboring Louisa County (0.1% Native American/Other), and Mercer County (0.1% Native American/Other). Muscatine County is less Native American/Other than neighboring Cedar County (0.4% Native American/Other), Johnson County (0.6% Native American/Other), and Scott County (0.6% Native American/Other).

Muscatine County's Multiracial Population

1,319 residents of Muscatine County, or 3.1% of the population, identify as Multiracial. The share of Multiracial residents in Muscatine County is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Muscatine County ranks 35th statewide in terms of Multiracial residents as a share of the population, out of 99 counties.

Since the 2020 Census, Muscatine County's Multiracial population has grown by an estimated 11.7%. Multiracial residents' share of Muscatine County's population has remained roughly unchanged at 3.1%.

Muscatine County is more Multiracial than neighboring Cedar County (2.8% Multiracial), and Mercer County (2.4% Multiracial). Muscatine County is less Multiracial than neighboring Louisa County (3.4% Multiracial), Johnson County (4.6% Multiracial), and Scott County (5.1% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.