Oskaloosa, IA Demographics

A map of Oskaloosa's Population by Race

Oskaloosa, Iowa has an estimated population of 11,504, a less than 1% change from the 11,558 recorded in the 2020 Census. The population is 89.5% White, 3.7% Multiracial, 2.8% Hispanic, 1.7% Black, 1.6% Asian, and 0.7% Native American/Other. This demographic dot map shows the population of Oskaloosa, with one dot drawn for each person counted by the Census, color-coded by race.

Oskaloosa has become less 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 Oskaloosa, that probability was 22.7% in 2020 and 19.7% in the most recent ACS estimates.

Oskaloosa is ranked the 34th most populous place in Iowa, out of 1,026 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Oskaloosa was ranked the 34th most populous place in the 2020 Census.

Oskaloosa's White Population

10,292 residents of Oskaloosa, or 89.5% of the population, identify as White. The share of White residents in Oskaloosa is higher than in Iowa overall, where 82.3% of the population is White. Oskaloosa ranks 841st statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Oskaloosa's White population has grown by an estimated 1.5%. White residents' share of Oskaloosa's population has increased from 87.7% to 89.5%.

Oskaloosa is more White than neighboring University Park (84.7% White). Oskaloosa is less White than neighboring Beacon (91.1% White), Keomah Village (100% White), Eddyville (94.1% White), and Leighton (96% White).

Oskaloosa's Black Population

195 residents of Oskaloosa, or 1.7% of the population, identify as Black. The share of Black residents in Oskaloosa is slightly lower than in Iowa overall, where 3.8% of the population is Black. Oskaloosa ranks 62nd statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Oskaloosa's Black population has declined by an estimated 44.8%. Black residents' share of Oskaloosa's population has decreased from 3.1% to 1.7%.

Oskaloosa is more Black than neighboring Beacon (0% Black), Keomah Village (0% Black), Eddyville (1% Black), and Leighton (0.7% Black). Oskaloosa is less Black than neighboring University Park (4% Black).

Oskaloosa's Asian Population

189 residents of Oskaloosa, or 1.6% of the population, identify as Asian. The share of Asian residents in Oskaloosa is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Oskaloosa ranks 75th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Oskaloosa's Asian population has declined by an estimated 6.4%. Asian residents' share of Oskaloosa's population has remained roughly unchanged at 1.6%.

Oskaloosa is more Asian than neighboring University Park (0.3% Asian), Keomah Village (0% Asian), and Leighton (1.3% Asian). Oskaloosa is less Asian than neighboring Eddyville (1.7% Asian).

Oskaloosa's Hispanic Population

325 residents of Oskaloosa, or 2.8% of the population, identify as Hispanic. The share of Hispanic residents in Oskaloosa is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Oskaloosa ranks 423rd statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Oskaloosa's Hispanic population has declined by an estimated 6.9%. Hispanic residents' share of Oskaloosa's population has remained roughly unchanged at 2.8%.

Oskaloosa is more Hispanic than neighboring Beacon (2.1% Hispanic), Keomah Village (0% Hispanic), Eddyville (2.6% Hispanic), and Leighton (0% Hispanic). Oskaloosa is less Hispanic than neighboring University Park (4.8% Hispanic).

Oskaloosa's Native American/Other Population

83 residents of Oskaloosa, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Oskaloosa is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Oskaloosa ranks 385th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Oskaloosa's Native American/Other population has grown by an estimated 62.7%. Native American/Other residents' share of Oskaloosa's population has remained roughly unchanged at 0.7%.

Oskaloosa is more Native American/Other than neighboring University Park (0.2% Native American/Other), Beacon (0.2% Native American/Other), Keomah Village (0% Native American/Other), Eddyville (0% Native American/Other), and Leighton (0% Native American/Other).

Oskaloosa's Multiracial Population

420 residents of Oskaloosa, or 3.7% of the population, identify as Multiracial. The share of Multiracial residents in Oskaloosa is comparable to the share in Iowa overall, where 3.5% of the population is Multiracial. Oskaloosa ranks 208th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Oskaloosa's Multiracial population has declined by an estimated 9.9%. Multiracial residents' share of Oskaloosa's population has remained roughly unchanged at 3.7%.

Oskaloosa is more Multiracial than neighboring Keomah Village (0% Multiracial), Eddyville (0.6% Multiracial), and Leighton (2% Multiracial). Oskaloosa is less Multiracial than neighboring University Park (6% Multiracial), and Beacon (4.9% 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.