Ottosen, IA Demographics

A map of Ottosen's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	29	38	93.5%	95.0%
Hispanic	2	2	6.5%	5.0%
Black	0	0	0.0%	0.0%
Asian	0	0	0.0%	0.0%
Native American/Other	0	0	0.0%	0.0%
Multiracial	0	0	0.0%	0.0%

Ottosen, Iowa has an estimated population of 31, a large decrease from the 40 recorded in the 2020 Census. The population is 93.5% White, 6.5% Hispanic, 0.0% Black, 0.0% Asian, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Ottosen, with one dot drawn for each person counted by the Census, color-coded by race.

Ottosen 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 Ottosen, that probability was 9.5% in 2020 and 12.1% in the most recent ACS estimates.

Ottosen is ranked the 979th 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). Ottosen was ranked the 974th most populous place in the 2020 Census.

Ottosen's White Population

29 residents of Ottosen, or 93.5% of the population, identify as White. The share of White residents in Ottosen is considerably higher than in Iowa overall, where 82.3% of the population is White. Ottosen ranks 297th statewide in terms of White residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Ottosen's White population has declined by an estimated 23.7%. White residents' share of Ottosen's population has decreased from 95.0% to 93.5%.

Ottosen is more White than neighboring West Bend (88.4% White), Bode (76% White), and Bradgate (88.5% White). Ottosen is less White than neighboring St. Joseph (100% White), and Rutland (99.2% White).

Ottosen's Black Population

0 residents of Ottosen, or 0.0% of the population, identify as Black. The share of Black residents in Ottosen is slightly lower than in Iowa overall, where 3.8% of the population is Black. Ottosen ranks 600th statewide in terms of Black residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Ottosen's Black population has grown from 0 to an estimated 0. Black residents' share of Ottosen's population has remained roughly unchanged at 0.0%.

Ottosen's Asian Population

0 residents of Ottosen, or 0.0% of the population, identify as Asian. The share of Asian residents in Ottosen is slightly lower than in Iowa overall, where 2.5% of the population is Asian. Ottosen ranks 543rd statewide in terms of Asian residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Ottosen's Asian population has grown from 0 to an estimated 0. Asian residents' share of Ottosen's population has remained roughly unchanged at 0.0%.

Ottosen's Hispanic Population

2 residents of Ottosen, or 6.5% of the population, identify as Hispanic. The share of Hispanic residents in Ottosen is comparable to the share in Iowa overall, where 7.3% of the population is Hispanic. Ottosen ranks 228th statewide in terms of Hispanic residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Ottosen's Hispanic population has remained roughly the same. Hispanic residents' share of Ottosen's population has increased from 5.0% to 6.5%.

Ottosen is more Hispanic than neighboring St. Joseph (0% Hispanic), and Rutland (0.8% Hispanic). Ottosen is less Hispanic than neighboring West Bend (10.3% Hispanic), Bode (15.3% Hispanic), and Bradgate (7.7% Hispanic).

Ottosen's Native American/Other Population

0 residents of Ottosen, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Ottosen is comparable to the share in Iowa overall, where 0.6% of the population is Native American/Other. Ottosen ranks 637th statewide in terms of Native American/Other residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Ottosen's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Ottosen's population has remained roughly unchanged at 0.0%.

Ottosen is less Native American/Other than neighboring Bode (2.4% Native American/Other).

Ottosen's Multiracial Population

0 residents of Ottosen, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Ottosen is slightly lower than in Iowa overall, where 3.5% of the population is Multiracial. Ottosen ranks 960th statewide in terms of Multiracial residents as a share of the population, out of 1,026 places.

Since the 2020 Census, Ottosen's Multiracial population has grown from 0 to an estimated 0. Multiracial residents' share of Ottosen's population has remained roughly unchanged at 0.0%.

Ottosen is less Multiracial than neighboring West Bend (1.3% Multiracial), Bode (6.3% Multiracial), and Bradgate (3.8% 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.