Buchanan County Demographics
A map of Buchanan County's Population by Race
Race | Population | Percent |
|---|---|---|
White | 19,565 | 95.1% |
Multiracial | 494 | 2.4% |
Hispanic | 338 | 1.6% |
Black | 70 | 0.3% |
Asian | 52 | 0.3% |
Native American/Other | 46 | 0.2% |
Buchanan County, Iowa had a population of 20,565 in 2020. It was 95.1% White, 0.3% Black, 0.3% Asian, 1.6% Hispanic, 0.2% Native American/Other, and 2.4% Multiracial. This map presents the population of Buchanan County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.
Buchanan County is the 32nd most populous county of the 99 counties in Iowa.
Buchanan County's White Population
19,565 residents of Buchanan County identify as White, or 95.1%. This makes the White share of the population of Buchanan County larger than the White share of the population of Iowa (82.7% White). Of the 99 counties in Iowa, Buchanan County is ranked #10 in terms of White residents as a share of the population.
Buchanan County is more White than neighboring Fayette County (92.5% White), Benton County (94.1% White), Linn County (81.6% White), and Black Hawk County (77.1% White). Buchanan County is less White than neighboring Delaware County (95.5% White).
Buchanan County's Black Population
70 residents of Buchanan County identify as Black, or 0.3%. This makes the Black share of the population of Buchanan County roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 99 counties in Iowa, Buchanan County is ranked #79 in terms of Black residents as a share of the population.
Buchanan County is less Black than neighboring Fayette County (1% Black), Benton County (0.4% Black), Linn County (7% Black), Delaware County (0.7% Black), and Black Hawk County (10.3% Black).
Buchanan County's Asian Population
52 residents of Buchanan County identify as Asian, or 0.3%. This makes the Asian share of the population of Buchanan County roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 99 counties in Iowa, Buchanan County is ranked #83 in terms of Asian residents as a share of the population.
Buchanan County is more Asian than neighboring Delaware County (0.2% Asian). Buchanan County is less Asian than neighboring Fayette County (0.4% Asian), Linn County (2.3% Asian), and Black Hawk County (2.6% Asian).
Buchanan County's Hispanic Population
338 residents of Buchanan County identify as Hispanic, or 1.6%. This makes the Hispanic share of the population of Buchanan County slightly less than the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 99 counties in Iowa, Buchanan County is ranked #88 in terms of Hispanic residents as a share of the population.
Buchanan County is more Hispanic than neighboring Delaware County (1.4% Hispanic). Buchanan County is less Hispanic than neighboring Fayette County (2.7% Hispanic), Benton County (1.8% Hispanic), Linn County (3.9% Hispanic), and Black Hawk County (4.9% Hispanic).
Buchanan County's Native American/Other Population
46 residents of Buchanan 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 Buchanan 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, Buchanan County is ranked #90 in terms of Native American/Other residents as a share of the population.
Buchanan County is less Native American/Other than neighboring Fayette County (0.4% Native American/Other), Benton County (0.3% Native American/Other), Linn County (0.7% Native American/Other), Delaware County (0.3% Native American/Other), and Black Hawk County (1.1% Native American/Other).
Buchanan County's Multiracial Population
494 residents of Buchanan County identify as Multiracial, or 2.4%. This makes the Multiracial share of the population of Buchanan County roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 99 counties in Iowa, Buchanan County is ranked #60 in terms of Multiracial residents as a share of the population.
Buchanan County is more Multiracial than neighboring Delaware County (1.8% Multiracial). Buchanan County is less Multiracial than neighboring Fayette County (3% Multiracial), Benton County (3% Multiracial), Linn County (4.5% Multiracial), and Black Hawk County (3.9% Multiracial).
Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.