Butler County Demographics

A map of Butler County's Population by Race

Butler County, Iowa had a population of 14,334 in 2020. It was 95.9% White, 0.2% Black, 0.2% Asian, 1.3% Hispanic, 0.2% Native American/Other, and 2.2% Multiracial. This map presents the population of Butler County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Butler County is the 55th most populous county of the 99 counties in Iowa.

Butler County's White Population

13,751 residents of Butler County identify as White, or 95.9%. This makes the White share of the population of Butler County larger than the White share of the population of Iowa (82.7% White). Of the 99 counties in Iowa, Butler County is ranked #1 in terms of White residents as a share of the population.

Butler County is more White than neighboring Floyd County (89% White), Grundy County (95.6% White), Franklin County (80.2% White), Bremer County (93.7% White), and Black Hawk County (77.1% White).

Butler County's Black Population

26 residents of Butler County identify as Black, or 0.2%. This makes the Black share of the population of Butler County roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 99 counties in Iowa, Butler County is ranked #94 in terms of Black residents as a share of the population.

Butler County is less Black than neighboring Floyd County (2.7% Black), Grundy County (0.3% Black), Franklin County (0.3% Black), Bremer County (1% Black), and Black Hawk County (10.3% Black).

Butler County's Asian Population

28 residents of Butler County identify as Asian, or 0.2%. This makes the Asian share of the population of Butler County roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 99 counties in Iowa, Butler County is ranked #93 in terms of Asian residents as a share of the population.

Butler County is less Asian than neighboring Floyd County (1.9% Asian), Franklin County (0.5% Asian), Bremer County (0.8% Asian), and Black Hawk County (2.6% Asian).

Butler County's Hispanic Population

183 residents of Butler County identify as Hispanic, or 1.3%. This makes the Hispanic share of the population of Butler County slightly less than the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 99 counties in Iowa, Butler County is ranked #95 in terms of Hispanic residents as a share of the population.

Butler County is more Hispanic than neighboring Grundy County (1.2% Hispanic). Butler County is less Hispanic than neighboring Floyd County (3.5% Hispanic), Franklin County (16.3% Hispanic), Bremer County (2% Hispanic), and Black Hawk County (4.9% Hispanic).

Butler County's Native American/Other Population

35 residents of Butler County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.2%. This makes the Native American/Other share of the population of Butler 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, Butler County is ranked #84 in terms of Native American/Other residents as a share of the population.

Butler County is less Native American/Other than neighboring Floyd County (0.4% Native American/Other), Franklin County (0.4% Native American/Other), and Black Hawk County (1.1% Native American/Other).

Butler County's Multiracial Population

311 residents of Butler County identify as Multiracial, or 2.2%. This makes the Multiracial share of the population of Butler County roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 99 counties in Iowa, Butler County is ranked #74 in terms of Multiracial residents as a share of the population.

Butler County is less Multiracial than neighboring Floyd County (2.6% Multiracial), Grundy County (2.4% Multiracial), Franklin County (2.3% Multiracial), Bremer County (2.3% Multiracial), and Black Hawk County (3.9% Multiracial).

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