Grant County Demographics

A map of Grant County's Population by Race

Grant County, Oklahoma has an estimated population of 4,131, a less than 1% change from the 4,169 recorded in the 2020 Census. The population is 85.2% White, 5.5% Multiracial, 4.7% Hispanic, 2.6% Native American/Other, 1.9% Black, and 0.1% Asian. This demographic dot map shows the population of Grant County, with one dot drawn for each person counted by the Census, color-coded by race.

Grant has become 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 Grant County, that probability was 23.6% in 2020 and 26.7% in the most recent ACS estimates.

Grant County is ranked the 72nd most populous county in Oklahoma, out of 77 counties. Grant County was ranked the 72nd most populous county in the 2020 Census.

Grant County's White Population

3,521 residents of Grant County, or 85.2% of the population, identify as White. The share of White residents in Grant County is significantly higher than in Oklahoma overall, where 62.1% of the population is White. Grant County ranks 1st statewide in terms of White residents as a share of the population, out of 77 counties.

Since the 2020 Census, Grant County's White population has declined by an estimated 3.1%. White residents' share of Grant County's population has decreased from 87.1% to 85.2%.

Grant County is more White than neighboring Garfield County (70.1% White), Alfalfa County (80.6% White), and Kay County (71.2% White). Grant County is less White than neighboring Harper County (86.1% White), and Sumner County (86.5% White).

Grant County's Black Population

78 residents of Grant County, or 1.9% of the population, identify as Black. The share of Black residents in Grant County is slightly lower than in Oklahoma overall, where 6.8% of the population is Black. Grant County ranks 58th statewide in terms of Black residents as a share of the population, out of 77 counties.

Since the 2020 Census, Grant County's Black population has grown by an estimated 77.3%. Black residents' share of Grant County's population has increased from 1.1% to 1.9%.

Grant County is more Black than neighboring Harper County (0.8% Black), Sumner County (1.1% Black), and Kay County (1.8% Black). Grant County is less Black than neighboring Garfield County (2.2% Black), and Alfalfa County (3.5% Black).

Grant County's Asian Population

6 residents of Grant County, or 0.1% of the population, identify as Asian. The share of Asian residents in Grant County is slightly lower than in Oklahoma overall, where 2.4% of the population is Asian. Grant County ranks 58th statewide in terms of Asian residents as a share of the population, out of 77 counties.

Since the 2020 Census, Grant County's Asian population has declined by an estimated 50.0%. Asian residents' share of Grant County's population has remained roughly unchanged at 0.1%.

Grant County is less Asian than neighboring Garfield County (1.2% Asian), Harper County (0.3% Asian), Sumner County (0.4% Asian), Alfalfa County (0.4% Asian), and Kay County (0.5% Asian).

Grant County's Hispanic Population

194 residents of Grant County, or 4.7% of the population, identify as Hispanic. The share of Hispanic residents in Grant County is lower than in Oklahoma overall, where 12.7% of the population is Hispanic. Grant County ranks 61st statewide in terms of Hispanic residents as a share of the population, out of 77 counties.

Since the 2020 Census, Grant County's Hispanic population has grown by an estimated 5.4%. Hispanic residents' share of Grant County's population has remained roughly unchanged at 4.7%.

Grant County is less Hispanic than neighboring Garfield County (15.2% Hispanic), Harper County (8.1% Hispanic), Sumner County (6.1% Hispanic), Alfalfa County (6.2% Hispanic), and Kay County (9% Hispanic).

Grant County's Native American/Other Population

106 residents of Grant County, or 2.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Grant County is slightly lower than in Oklahoma overall, where 7.1% of the population is Native American/Other. Grant County ranks 69th statewide in terms of Native American/Other residents as a share of the population, out of 77 counties.

Since the 2020 Census, Grant County's Native American/Other population has grown by an estimated 3.9%. Native American/Other residents' share of Grant County's population has remained roughly unchanged at 2.6%.

Grant County is more Native American/Other than neighboring Harper County (0.6% Native American/Other), Sumner County (1.2% Native American/Other), and Alfalfa County (2.3% Native American/Other). Grant County is less Native American/Other than neighboring Garfield County (4.8% Native American/Other), and Kay County (7.8% Native American/Other).

Grant County's Multiracial Population

226 residents of Grant County, or 5.5% of the population, identify as Multiracial. The share of Multiracial residents in Grant County is slightly lower than in Oklahoma overall, where 8.9% of the population is Multiracial. Grant County ranks 72nd statewide in terms of Multiracial residents as a share of the population, out of 77 counties.

Since the 2020 Census, Grant County's Multiracial population has grown by an estimated 15.9%. Multiracial residents' share of Grant County's population has increased from 4.7% to 5.5%.

Grant County is more Multiracial than neighboring Harper County (4.2% Multiracial), and Sumner County (4.7% Multiracial). Grant County is less Multiracial than neighboring Garfield County (6.4% Multiracial), Alfalfa County (7% Multiracial), and Kay County (9.7% 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.