Osage, IA Demographics

A map of Osage's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	3,345	3,393	93.9%	93.5%
Hispanic	89	80	2.5%	2.2%
Asian	49	23	1.4%	0.6%
Black	35	28	1.0%	0.8%
Multiracial	28	90	0.8%	2.5%
Native American/Other	15	13	0.4%	0.4%

Osage, Iowa has an estimated population of 3,561, a slight decrease from the 3,627 recorded in the 2020 Census. The population is 93.9% White, 2.5% Hispanic, 1.4% Asian, 1.0% Black, 0.8% Multiracial, and 0.4% Native American/Other. This demographic dot map shows the population of Osage, with one dot drawn for each person counted by the Census, color-coded by race.

Osage has become slightly 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 Osage, that probability was 12.4% in 2020 and 11.7% in the most recent ACS estimates.

Osage is ranked the 111th 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). Osage was ranked the 110th most populous place in the 2020 Census.

Osage's White Population

3,345 residents of Osage, or 93.9% of the population, identify as White. The share of White residents in Osage is considerably higher than in Iowa overall, where 82.3% of the population is White. Osage ranks 445th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Osage's White population has declined by an estimated 1.4%. White residents' share of Osage's population has remained roughly unchanged at 93.9%.

Osage is more White than neighboring St. Ansgar (91% White). Osage is less White than neighboring Orchard (98.6% White), Mitchell (94% White), Little Cedar (100% White), and Stacyville (97.6% White).

Osage's Black Population

35 residents of Osage, or 1.0% of the population, identify as Black. The share of Black residents in Osage is slightly lower than in Iowa overall, where 3.8% of the population is Black. Osage ranks 262nd statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Osage's Black population has grown by an estimated 25.0%. Black residents' share of Osage's population has remained roughly unchanged at 1.0%.

Osage is more Black than neighboring Orchard (0% Black), Mitchell (0% Black), Little Cedar (0% Black), St. Ansgar (0% Black), and Stacyville (0% Black).

Osage's Asian Population

49 residents of Osage, or 1.4% of the population, identify as Asian. The share of Asian residents in Osage is comparable to the share in Iowa overall, where 2.5% of the population is Asian. Osage ranks 235th statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Osage's Asian population has grown by an estimated 113.0%. Asian residents' share of Osage's population has increased from 0.6% to 1.4%.

Osage is more Asian than neighboring Orchard (0% Asian), Mitchell (0% Asian), Little Cedar (0% Asian), St. Ansgar (0.8% Asian), and Stacyville (0.4% Asian).

Osage's Hispanic Population

89 residents of Osage, or 2.5% of the population, identify as Hispanic. The share of Hispanic residents in Osage is slightly lower than in Iowa overall, where 7.3% of the population is Hispanic. Osage ranks 580th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Osage's Hispanic population has grown by an estimated 11.3%. Hispanic residents' share of Osage's population has remained roughly unchanged at 2.5%.

Osage is more Hispanic than neighboring Orchard (1.4% Hispanic), Mitchell (0% Hispanic), Little Cedar (0% Hispanic), and Stacyville (2% Hispanic). Osage is less Hispanic than neighboring St. Ansgar (6% Hispanic).

Osage's Native American/Other Population

15 residents of Osage, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Osage is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Osage ranks 446th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Osage's Native American/Other population has grown by an estimated 15.4%. Native American/Other residents' share of Osage's population has remained roughly unchanged at 0.4%.

Osage is more Native American/Other than neighboring Orchard (0% Native American/Other), Mitchell (0% Native American/Other), Little Cedar (0% Native American/Other), St. Ansgar (0% Native American/Other), and Stacyville (0% Native American/Other).

Osage's Multiracial Population

28 residents of Osage, or 0.8% of the population, identify as Multiracial. The share of Multiracial residents in Osage is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. Osage ranks 572nd statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Osage's Multiracial population has declined by an estimated 68.9%. Multiracial residents' share of Osage's population has decreased from 2.5% to 0.8%.

Osage is more Multiracial than neighboring Orchard (0% Multiracial), Little Cedar (0% Multiracial), and Stacyville (0% Multiracial). Osage is less Multiracial than neighboring Mitchell (6% Multiracial), and St. Ansgar (2.2% 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.