Stillwater, OK Demographics

A map of Stillwater's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	35,195	33,550	71.4%	69.3%
Multiracial	4,168	4,581	8.5%	9.5%
Asian	3,131	2,516	6.4%	5.2%
Hispanic	2,917	3,620	5.9%	7.5%
Black	2,234	2,155	4.5%	4.5%
Native American/Other	1,624	1,972	3.3%	4.1%

Stillwater, Oklahoma has an estimated population of 49,269, a slight increase from the 48,394 recorded in the 2020 Census. The population is 71.4% White, 8.5% Multiracial, 6.4% Asian, 5.9% Hispanic, 4.5% Black, and 3.3% Native American/Other. This demographic dot map shows the population of Stillwater, with one dot drawn for each person counted by the Census, color-coded by race.

Stillwater has become less racially diverse since the 2020 Census. It is considerably less diverse than Oklahoma overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Stillwater, that probability was 49.9% in 2020 and 47.2% in the most recent ACS estimates.

Stillwater is ranked the 10th most populous place in Oklahoma, out of 846 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). Stillwater was ranked the 10th most populous place in the 2020 Census.

Stillwater's White Population

35,195 residents of Stillwater, or 71.4% of the population, identify as White. The share of White residents in Stillwater is higher than in Oklahoma overall, where 62.1% of the population is White. Stillwater ranks 363rd statewide in terms of White residents as a share of the population, out of 846 places.

Since the 2020 Census, Stillwater's White population has grown by an estimated 4.9%. White residents' share of Stillwater's population has increased from 69.3% to 71.4%.

Stillwater is less White than neighboring Mehan (100% White), Perkins (78.9% White), Morrison (73.1% White), Glencoe (82.6% White), and Sumner (100% White).

Stillwater's Black Population

2,234 residents of Stillwater, or 4.5% of the population, identify as Black. The share of Black residents in Stillwater is slightly lower than in Oklahoma overall, where 6.8% of the population is Black. Stillwater ranks 105th statewide in terms of Black residents as a share of the population, out of 846 places.

Since the 2020 Census, Stillwater's Black population has grown by an estimated 3.7%. Black residents' share of Stillwater's population has remained roughly unchanged at 4.5%.

Stillwater is more Black than neighboring Mehan (0% Black), Perkins (0% Black), Morrison (0.5% Black), Glencoe (0% Black), and Sumner (0% Black).

Stillwater's Asian Population

3,131 residents of Stillwater, or 6.4% of the population, identify as Asian. The share of Asian residents in Stillwater is slightly higher than in Oklahoma overall, where 2.4% of the population is Asian. Stillwater ranks 10th statewide in terms of Asian residents as a share of the population, out of 846 places.

Since the 2020 Census, Stillwater's Asian population has grown by an estimated 24.4%. Asian residents' share of Stillwater's population has increased from 5.2% to 6.4%.

Stillwater is more Asian than neighboring Mehan (0% Asian), Perkins (0.6% Asian), Morrison (0.6% Asian), Glencoe (0% Asian), and Sumner (0% Asian).

Stillwater's Hispanic Population

2,917 residents of Stillwater, or 5.9% of the population, identify as Hispanic. The share of Hispanic residents in Stillwater is lower than in Oklahoma overall, where 12.7% of the population is Hispanic. Stillwater ranks 238th statewide in terms of Hispanic residents as a share of the population, out of 846 places.

Since the 2020 Census, Stillwater's Hispanic population has declined by an estimated 19.4%. Hispanic residents' share of Stillwater's population has decreased from 7.5% to 5.9%.

Stillwater is more Hispanic than neighboring Mehan (0% Hispanic), Perkins (3.7% Hispanic), Morrison (4.1% Hispanic), Glencoe (2.3% Hispanic), and Sumner (0% Hispanic).

Stillwater's Native American/Other Population

1,624 residents of Stillwater, or 3.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Stillwater is slightly lower than in Oklahoma overall, where 7.1% of the population is Native American/Other. Stillwater ranks 661st statewide in terms of Native American/Other residents as a share of the population, out of 846 places.

Since the 2020 Census, Stillwater's Native American/Other population has declined by an estimated 17.6%. Native American/Other residents' share of Stillwater's population has decreased from 4.1% to 3.3%.

Stillwater is more Native American/Other than neighboring Mehan (0% Native American/Other), and Sumner (0% Native American/Other). Stillwater is less Native American/Other than neighboring Perkins (6.7% Native American/Other), Morrison (8.6% Native American/Other), and Glencoe (9.5% Native American/Other).

Stillwater's Multiracial Population

4,168 residents of Stillwater, or 8.5% of the population, identify as Multiracial. The share of Multiracial residents in Stillwater is comparable to the share in Oklahoma overall, where 8.9% of the population is Multiracial. Stillwater ranks 432nd statewide in terms of Multiracial residents as a share of the population, out of 846 places.

Since the 2020 Census, Stillwater's Multiracial population has declined by an estimated 9.0%. Multiracial residents' share of Stillwater's population has decreased from 9.5% to 8.5%.

Stillwater is more Multiracial than neighboring Mehan (0% Multiracial), Glencoe (5.6% Multiracial), and Sumner (0% Multiracial). Stillwater is less Multiracial than neighboring Perkins (10.1% Multiracial), and Morrison (13.1% 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.