Audubon County Demographics

A map of Audubon County's Population by Race

Audubon County, Iowa has an estimated population of 5,599, a slight decrease from the 5,674 recorded in the 2020 Census. The population is 93.8% White, 2.5% Hispanic, 2.1% Multiracial, 1.1% Native American/Other, 0.5% Black, and 0.1% Asian. This demographic dot map shows the population of Audubon County, with one dot drawn for each person counted by the Census, color-coded by race.

Audubon has become more racially diverse since the 2020 Census. It is considerably less 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 Audubon County, that probability was 7.9% in 2020 and 11.8% in the most recent ACS estimates.

Audubon County is ranked the 97th most populous county in Iowa, out of 99 counties. Audubon County was ranked the 97th most populous county in the 2020 Census.

Audubon County's White Population

5,254 residents of Audubon County, or 93.8% of the population, identify as White. The share of White residents in Audubon County is considerably higher than in Iowa overall, where 82.3% of the population is White. Audubon County ranks 2nd statewide in terms of White residents as a share of the population, out of 99 counties.

Since the 2020 Census, Audubon County's White population has declined by an estimated 3.5%. White residents' share of Audubon County's population has decreased from 95.9% to 93.8%.

Audubon County is more White than neighboring Cass County (93.5% White), Carroll County (91.9% White), Shelby County (91.3% White), Guthrie County (92.4% White), and Adair County (93.1% White).

Audubon County's Black Population

28 residents of Audubon County, or 0.5% of the population, identify as Black. The share of Black residents in Audubon County is slightly lower than in Iowa overall, where 3.8% of the population is Black. Audubon County ranks 84th statewide in terms of Black residents as a share of the population, out of 99 counties.

Since the 2020 Census, Audubon County's Black population has grown by an estimated 64.7%. Black residents' share of Audubon County's population has remained roughly unchanged at 0.5%.

Audubon County is more Black than neighboring Shelby County (0.3% Black). Audubon County is less Black than neighboring Cass County (0.9% Black), Guthrie County (0.6% Black), and Adair County (1.4% Black).

Audubon County's Asian Population

3 residents of Audubon County, or 0.1% of the population, identify as Asian. The share of Asian residents in Audubon County is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Audubon County ranks 99th statewide in terms of Asian residents as a share of the population, out of 99 counties.

Since the 2020 Census, Audubon County's Asian population has declined by an estimated 25.0%. Asian residents' share of Audubon County's population has remained roughly unchanged at 0.1%.

Audubon County is less Asian than neighboring Cass County (0.5% Asian), Carroll County (0.2% Asian), Shelby County (0.5% Asian), Guthrie County (0.5% Asian), and Adair County (0.3% Asian).

Audubon County's Hispanic Population

140 residents of Audubon County, or 2.5% of the population, identify as Hispanic. The share of Hispanic residents in Audubon County is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Audubon County ranks 93rd statewide in terms of Hispanic residents as a share of the population, out of 99 counties.

Since the 2020 Census, Audubon County's Hispanic population has grown by an estimated 62.8%. Hispanic residents' share of Audubon County's population has increased from 1.5% to 2.5%.

Audubon County is less Hispanic than neighboring Cass County (2.7% Hispanic), Carroll County (3.5% Hispanic), Shelby County (4.4% Hispanic), Guthrie County (3.1% Hispanic), and Adair County (3.2% Hispanic).

Audubon County's Native American/Other Population

59 residents of Audubon County, or 1.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Audubon County is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Audubon County ranks 95th statewide in terms of Native American/Other residents as a share of the population, out of 99 counties.

Since the 2020 Census, Audubon County's Native American/Other population has grown by an estimated 490.0%. Native American/Other residents' share of Audubon County's population has increased from 0.2% to 1.1%.

Audubon County is more Native American/Other than neighboring Cass County (0.8% Native American/Other), Carroll County (0.3% Native American/Other), Shelby County (0.5% Native American/Other), Guthrie County (0.9% Native American/Other), and Adair County (0.7% Native American/Other).

Audubon County's Multiracial Population

115 residents of Audubon County, or 2.1% of the population, identify as Multiracial. The share of Multiracial residents in Audubon County is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Audubon County ranks 85th statewide in terms of Multiracial residents as a share of the population, out of 99 counties.

Since the 2020 Census, Audubon County's Multiracial population has remained roughly the same. Multiracial residents' share of Audubon County's population has remained roughly unchanged at 2.1%.

Audubon County is more Multiracial than neighboring Cass County (1.6% Multiracial), and Adair County (1.4% Multiracial). Audubon County is less Multiracial than neighboring Carroll County (3.6% Multiracial), Shelby County (3% Multiracial), and Guthrie County (2.5% 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.