Cimarron County Demographics

A map of Cimarron County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,473	1,647	66.4%	71.7%
Hispanic	561	563	25.3%	24.5%
Multiracial	172	74	7.8%	3.2%
Native American/Other	11	11	0.5%	0.5%
Black	1	1	0.0%	0.0%
Asian	0	0	0.0%	0.0%

Cimarron County, Oklahoma has an estimated population of 2,218, a decrease from the 2,296 recorded in the 2020 Census. The population is 66.4% White, 25.3% Hispanic, 7.8% Multiracial, 0.5% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Cimarron County, with one dot drawn for each person counted by the Census, color-coded by race.

Cimarron has become considerably more 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 Cimarron County, that probability was 42.4% in 2020 and 48.9% in the most recent ACS estimates.

Cimarron County is ranked the 77th most populous county in Oklahoma, out of 77 counties. Cimarron County was ranked the 77th most populous county in the 2020 Census.

Cimarron County's White Population

1,473 residents of Cimarron County, or 66.4% of the population, identify as White. The share of White residents in Cimarron County is slightly higher than in Oklahoma overall, where 62.1% of the population is White. Cimarron County ranks 26th statewide in terms of White residents as a share of the population, out of 77 counties.

Since the 2020 Census, Cimarron County's White population has declined by an estimated 10.6%. White residents' share of Cimarron County's population has decreased from 71.7% to 66.4%.

Cimarron County is more White than neighboring Dallam County (40.8% White), Sherman County (52.1% White), and Hartley County (56.5% White). Cimarron County is less White than neighboring Baca County (82.8% White), and Morton County (70.3% White).

Cimarron County's Black Population

1 residents of Cimarron County, or 0.0% of the population, identify as Black. The share of Black residents in Cimarron County is lower than in Oklahoma overall, where 6.8% of the population is Black. Cimarron County ranks 77th statewide in terms of Black residents as a share of the population, out of 77 counties.

Since the 2020 Census, Cimarron County's Black population has remained roughly the same. Black residents' share of Cimarron County's population has remained roughly unchanged at 0.0%.

Cimarron County is less Black than neighboring Dallam County (0.2% Black), Baca County (0.4% Black), Sherman County (0.1% Black), Morton County (1.2% Black), and Hartley County (6% Black).

Cimarron County's Asian Population

0 residents of Cimarron County, or 0.0% of the population, identify as Asian. The share of Asian residents in Cimarron County is slightly lower than in Oklahoma overall, where 2.4% of the population is Asian. Cimarron County ranks 76th statewide in terms of Asian residents as a share of the population, out of 77 counties.

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

Cimarron County is less Asian than neighboring Baca County (2.6% Asian), Sherman County (0.5% Asian), Morton County (1.7% Asian), and Hartley County (0.2% Asian).

Cimarron County's Hispanic Population

561 residents of Cimarron County, or 25.3% of the population, identify as Hispanic. The share of Hispanic residents in Cimarron County is considerably higher than in Oklahoma overall, where 12.7% of the population is Hispanic. Cimarron County ranks 5th statewide in terms of Hispanic residents as a share of the population, out of 77 counties.

Since the 2020 Census, Cimarron County's Hispanic population has remained roughly the same. Hispanic residents' share of Cimarron County's population has increased from 24.5% to 25.3%.

Cimarron County is more Hispanic than neighboring Baca County (10.9% Hispanic), and Morton County (24.1% Hispanic). Cimarron County is less Hispanic than neighboring Dallam County (54.3% Hispanic), Sherman County (46.6% Hispanic), and Hartley County (31.2% Hispanic).

Cimarron County's Native American/Other Population

11 residents of Cimarron County, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Cimarron County is lower than in Oklahoma overall, where 7.1% of the population is Native American/Other. Cimarron County ranks 77th statewide in terms of Native American/Other residents as a share of the population, out of 77 counties.

Since the 2020 Census, Cimarron County's Native American/Other population has remained roughly the same. Native American/Other residents' share of Cimarron County's population has remained roughly unchanged at 0.5%.

Cimarron County is more Native American/Other than neighboring Baca County (0.4% Native American/Other), Sherman County (0% Native American/Other), Morton County (0% Native American/Other), and Hartley County (0.4% Native American/Other). Cimarron County is less Native American/Other than neighboring Dallam County (1.2% Native American/Other).

Cimarron County's Multiracial Population

172 residents of Cimarron County, or 7.8% of the population, identify as Multiracial. The share of Multiracial residents in Cimarron County is comparable to the share in Oklahoma overall, where 8.9% of the population is Multiracial. Cimarron County ranks 76th statewide in terms of Multiracial residents as a share of the population, out of 77 counties.

Since the 2020 Census, Cimarron County's Multiracial population has grown by an estimated 132.4%. Multiracial residents' share of Cimarron County's population has increased from 3.2% to 7.8%.

Cimarron County is more Multiracial than neighboring Dallam County (3.4% Multiracial), Baca County (2.9% Multiracial), Sherman County (0.6% Multiracial), Morton County (2.8% Multiracial), and Hartley County (5.7% 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.