Olean, MO Demographics

A map of Olean's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	166	93	98.8%	81.6%
Multiracial	2	8	1.2%	7.0%
Black	0	6	0.0%	5.3%
Asian	0	1	0.0%	0.9%
Hispanic	0	1	0.0%	0.9%
Native American/Other	0	5	0.0%	4.4%

Olean, Missouri has an estimated population of 168, a dramatic increase from the 114 recorded in the 2020 Census. The population is 98.8% White, 1.2% Multiracial, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of Olean, with one dot drawn for each person counted by the Census, color-coded by race.

Olean has become considerably less racially diverse since the 2020 Census. It is considerably less diverse than Missouri overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Olean, that probability was 32.5% in 2020 and 2.4% in the most recent ACS estimates.

Olean is ranked the 777th most populous place in Missouri, out of 1,082 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). Olean was ranked the 853rd most populous place in the 2020 Census.

Olean's White Population

166 residents of Olean, or 98.8% of the population, identify as White. The share of White residents in Olean is significantly higher than in Missouri overall, where 76.3% of the population is White. Olean ranks 866th statewide in terms of White residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Olean's White population has grown by an estimated 78.5%. White residents' share of Olean's population has increased from 81.6% to 98.8%.

Olean is more White than neighboring Eldon (94% White), Aurora Springs (78.3% White), Russellville (88.4% White), and Barnett (92.2% White). Olean is less White than neighboring Eugene (100% White).

Olean's Black Population

0 residents of Olean, or 0.0% of the population, identify as Black. The share of Black residents in Olean is considerably lower than in Missouri overall, where 10.9% of the population is Black. Olean ranks 155th statewide in terms of Black residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Olean's Black population has declined by an estimated 100.0%. Black residents' share of Olean's population has decreased from 5.3% to 0.0%.

Olean is less Black than neighboring Eldon (0.2% Black), Aurora Springs (15.2% Black), and Russellville (1% Black).

Olean's Asian Population

0 residents of Olean, or 0.0% of the population, identify as Asian. The share of Asian residents in Olean is slightly lower than in Missouri overall, where 2.1% of the population is Asian. Olean ranks 220th statewide in terms of Asian residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Olean's Asian population has declined by an estimated 100.0%. Asian residents' share of Olean's population has decreased from 0.9% to 0.0%.

Olean is less Asian than neighboring Eldon (1.7% Asian), Aurora Springs (6.5% Asian), and Russellville (0.7% Asian).

Olean's Hispanic Population

0 residents of Olean, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Olean is lower than in Missouri overall, where 5.2% of the population is Hispanic. Olean ranks 893rd statewide in terms of Hispanic residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Olean's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Olean's population has decreased from 0.9% to 0.0%.

Olean is less Hispanic than neighboring Eldon (2% Hispanic), and Russellville (0.6% Hispanic).

Olean's Native American/Other Population

0 residents of Olean, 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 Olean is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Olean ranks 31st statewide in terms of Native American/Other residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Olean's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Olean's population has decreased from 4.4% to 0.0%.

Olean is less Native American/Other than neighboring Eldon (0.2% Native American/Other), and Russellville (1.7% Native American/Other).

Olean's Multiracial Population

2 residents of Olean, or 1.2% of the population, identify as Multiracial. The share of Multiracial residents in Olean is slightly lower than in Missouri overall, where 4.8% of the population is Multiracial. Olean ranks 184th statewide in terms of Multiracial residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Olean's Multiracial population has declined by an estimated 75.0%. Multiracial residents' share of Olean's population has decreased from 7.0% to 1.2%.

Olean is more Multiracial than neighboring Aurora Springs (0% Multiracial), and Eugene (0% Multiracial). Olean is less Multiracial than neighboring Eldon (1.9% Multiracial), Russellville (7.7% Multiracial), and Barnett (7.8% 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.