Clinton County Demographics

A map of Clinton County's Population by Race

Clinton County, Iowa had a population of 46,460 in 2020. It was 88.7% White, 3.0% Black, 0.5% Asian, 3.3% Hispanic, 0.5% Native American/Other, and 3.9% Multiracial. This map presents the population of Clinton County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Clinton County is the 12th most populous county of the 99 counties in Iowa.

Clinton County's White Population

41,226 residents of Clinton County identify as White, or 88.7%. This makes the White share of the population of Clinton County slightly larger than the White share of the population of Iowa (82.7% White). Of the 99 counties in Iowa, Clinton County is ranked #67 in terms of White residents as a share of the population.

Clinton County is more White than neighboring Scott County (77% White), and Rock Island County (67.5% White). Clinton County is less White than neighboring Jackson County (94.3% White), Jo Daviess County (92.4% White), and Cedar County (93.7% White).

Clinton County's Black Population

1,392 residents of Clinton County identify as Black, or 3.0%. This makes the Black share of the population of Clinton County roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 99 counties in Iowa, Clinton County is ranked #12 in terms of Black residents as a share of the population.

Clinton County is more Black than neighboring Jackson County (0.7% Black), Jo Daviess County (0.5% Black), and Cedar County (0.4% Black). Clinton County is less Black than neighboring Scott County (7.8% Black), and Rock Island County (11.2% Black).

Clinton County's Asian Population

252 residents of Clinton County identify as Asian, or 0.5%. This makes the Asian share of the population of Clinton County roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 99 counties in Iowa, Clinton County is ranked #39 in terms of Asian residents as a share of the population.

Clinton County is more Asian than neighboring Jackson County (0.2% Asian), Jo Daviess County (0.4% Asian), and Cedar County (0.3% Asian). Clinton County is less Asian than neighboring Scott County (2.8% Asian), and Rock Island County (2.8% Asian).

Clinton County's Hispanic Population

1,539 residents of Clinton County identify as Hispanic, or 3.3%. This makes the Hispanic share of the population of Clinton County roughly similar to the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 99 counties in Iowa, Clinton County is ranked #48 in terms of Hispanic residents as a share of the population.

Clinton County is more Hispanic than neighboring Jackson County (1.2% Hispanic), and Cedar County (2.5% Hispanic). Clinton County is less Hispanic than neighboring Scott County (6.9% Hispanic), Rock Island County (13.7% Hispanic), and Jo Daviess County (3.9% Hispanic).

Clinton County's Native American/Other Population

217 residents of Clinton 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 Clinton 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, Clinton County is ranked #49 in terms of Native American/Other residents as a share of the population.

Clinton County is more Native American/Other than neighboring Jo Daviess County (0.4% Native American/Other). Clinton County is less Native American/Other than neighboring Jackson County (1.4% Native American/Other).

Clinton County's Multiracial Population

1,834 residents of Clinton County identify as Multiracial, or 3.9%. This makes the Multiracial share of the population of Clinton County roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 99 counties in Iowa, Clinton County is ranked #8 in terms of Multiracial residents as a share of the population.

Clinton County is more Multiracial than neighboring Jackson County (2.2% Multiracial), Jo Daviess County (2.4% Multiracial), and Cedar County (2.6% Multiracial). Clinton County is less Multiracial than neighboring Scott County (4.9% Multiracial), and Rock Island County (4.3% Multiracial).

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