Ottumwa, IA Demographics

A map of Ottumwa's Population by Race

Ottumwa, Iowa had a population of 25,529 in 2020. It was 71.1% White, 5.3% Black, 2.2% Asian, 15.7% Hispanic, 2.4% Native American/Other, and 3.2% Multiracial. This map presents the population of Ottumwa, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 1,028 places in Iowa, Ottumwa is the 18th most populous. 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).

Ottumwa's White Population

18,163 residents of Ottumwa identify as White, or 71.1%. This makes the White share of the population of Ottumwa slightly less than the White share of the population of Iowa (82.7% White). Of the 1,028 places in Iowa, Ottumwa is ranked #995 in terms of White residents as a share of the population.

Ottumwa is less White than neighboring Agency (92.1% White), Chillicothe (88.2% White), Kirkville (90.4% White), Floris (95.7% White), and Hedrick (94.8% White).

Ottumwa's Black Population

1,347 residents of Ottumwa identify as Black, or 5.3%. This makes the Black share of the population of Ottumwa roughly similar to the Black share of the population of Iowa (4.1% Black). Of the 1,028 places in Iowa, Ottumwa is ranked #21 in terms of Black residents as a share of the population.

Ottumwa is more Black than neighboring Agency (0% Black), Chillicothe (0% Black), Kirkville (0% Black), Floris (0% Black), and Hedrick (0.4% Black).

Ottumwa's Asian Population

571 residents of Ottumwa identify as Asian, or 2.2%. This makes the Asian share of the population of Ottumwa roughly similar to the Asian share of the population of Iowa (2.4% Asian). Of the 1,028 places in Iowa, Ottumwa is ranked #55 in terms of Asian residents as a share of the population.

Ottumwa is more Asian than neighboring Agency (0% Asian), Chillicothe (0% Asian), Kirkville (0.6% Asian), Floris (0% Asian), and Hedrick (0% Asian).

Ottumwa's Hispanic Population

4,013 residents of Ottumwa identify as Hispanic, or 15.7%. This makes the Hispanic share of the population of Ottumwa slightly larger than the Hispanic share of the population of Iowa (6.8% Hispanic). Of the 1,028 places in Iowa, Ottumwa is ranked #46 in terms of Hispanic residents as a share of the population.

Ottumwa is more Hispanic than neighboring Agency (5.2% Hispanic), Chillicothe (5.3% Hispanic), Kirkville (1.3% Hispanic), Floris (3.4% Hispanic), and Hedrick (2.5% Hispanic).

Ottumwa's Native American/Other Population

621 residents of Ottumwa identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 2.4%. This makes the Native American/Other share of the population of Ottumwa roughly similar to the Native American/Other share of the population of Iowa (0.7% Native American/Other). Of the 1,028 places in Iowa, Ottumwa is ranked #42 in terms of Native American/Other residents as a share of the population.

Ottumwa is more Native American/Other than neighboring Agency (0.6% Native American/Other), Chillicothe (1.3% Native American/Other), Floris (0% Native American/Other), and Hedrick (0% Native American/Other). Ottumwa is less Native American/Other than neighboring Kirkville (4.5% Native American/Other).

Ottumwa's Multiracial Population

814 residents of Ottumwa identify as Multiracial, or 3.2%. This makes the Multiracial share of the population of Ottumwa roughly similar to the Multiracial share of the population of Iowa (3.4% Multiracial). Of the 1,028 places in Iowa, Ottumwa is ranked #355 in terms of Multiracial residents as a share of the population.

Ottumwa is more Multiracial than neighboring Agency (2.1% Multiracial), Floris (0.9% Multiracial), and Hedrick (2.3% Multiracial). Ottumwa is less Multiracial than neighboring Chillicothe (5.3% Multiracial).

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