Seminole County Demographics
A map of Seminole County's Population by Race
Seminole County, Oklahoma has an estimated population of 23,494, a less than 1% change from the 23,556 recorded in the 2020 Census. The population is 62.4% White, 18.4% Native American/Other, 9.5% Multiracial, 5.7% Hispanic, 3.6% Black, and 0.4% Asian. This demographic dot map shows the population of Seminole County, with one dot drawn for each person counted by the Census, color-coded by race.
Seminole has become less racially diverse since the 2020 Census. It is 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 Seminole County, that probability was 58.7% in 2020 and 56.4% in the most recent ACS estimates.
Seminole County is ranked the 37th most populous county in Oklahoma, out of 77 counties. Seminole County was ranked the 37th most populous county in the 2020 Census.
Seminole County's White Population
14,652 residents of Seminole County, or 62.4% of the population, identify as White. The share of White residents in Seminole County is comparable to the share in Oklahoma overall, where 62.1% of the population is White. Seminole County ranks 60th statewide in terms of White residents as a share of the population, out of 77 counties.
Since the 2020 Census, Seminole County's White population has grown by an estimated 3.8%. White residents' share of Seminole County's population has increased from 59.9% to 62.4%.
Seminole County is more White than neighboring Hughes County (60% White), and Okfuskee County (60.1% White). Seminole County is less White than neighboring Pottawatomie County (69.6% White), Pontotoc County (62.7% White), and Lincoln County (79.8% White).
Seminole County's Black Population
842 residents of Seminole County, or 3.6% of the population, identify as Black. The share of Black residents in Seminole County is slightly lower than in Oklahoma overall, where 6.8% of the population is Black. Seminole County ranks 22nd statewide in terms of Black residents as a share of the population, out of 77 counties.
Since the 2020 Census, Seminole County's Black population has declined by an estimated 8.5%. Black residents' share of Seminole County's population has remained roughly unchanged at 3.6%.
Seminole County is more Black than neighboring Pottawatomie County (2.9% Black), Pontotoc County (2.5% Black), and Lincoln County (1.6% Black). Seminole County is less Black than neighboring Hughes County (5.2% Black), and Okfuskee County (6.5% Black).
Seminole County's Asian Population
103 residents of Seminole County, or 0.4% of the population, identify as Asian. The share of Asian residents in Seminole County is comparable to the share in Oklahoma overall, where 2.4% of the population is Asian. Seminole County ranks 55th statewide in terms of Asian residents as a share of the population, out of 77 counties.
Since the 2020 Census, Seminole County's Asian population has grown by an estimated 43.1%. Asian residents' share of Seminole County's population has remained roughly unchanged at 0.4%.
Seminole County is less Asian than neighboring Pottawatomie County (1% Asian), Okfuskee County (1% Asian), Pontotoc County (1.1% Asian), and Lincoln County (0.6% Asian).
Seminole County's Hispanic Population
1,331 residents of Seminole County, or 5.7% of the population, identify as Hispanic. The share of Hispanic residents in Seminole County is lower than in Oklahoma overall, where 12.7% of the population is Hispanic. Seminole County ranks 56th statewide in terms of Hispanic residents as a share of the population, out of 77 counties.
Since the 2020 Census, Seminole County's Hispanic population has grown by an estimated 13.2%. Hispanic residents' share of Seminole County's population has increased from 5.0% to 5.7%.
Seminole County is more Hispanic than neighboring Okfuskee County (3.9% Hispanic), and Lincoln County (4% Hispanic). Seminole County is less Hispanic than neighboring Pottawatomie County (6.4% Hispanic), Hughes County (6.3% Hispanic), and Pontotoc County (6.5% Hispanic).
Seminole County's Native American/Other Population
4,326 residents of Seminole County, or 18.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Seminole County is considerably higher than in Oklahoma overall, where 7.1% of the population is Native American/Other. Seminole County ranks 13th statewide in terms of Native American/Other residents as a share of the population, out of 77 counties.
Since the 2020 Census, Seminole County's Native American/Other population has declined by an estimated 4.0%. Native American/Other residents' share of Seminole County's population has decreased from 19.1% to 18.4%.
Seminole County is more Native American/Other than neighboring Pottawatomie County (11.2% Native American/Other), Okfuskee County (17.7% Native American/Other), Pontotoc County (18.2% Native American/Other), and Lincoln County (5.8% Native American/Other). Seminole County is less Native American/Other than neighboring Hughes County (21.1% Native American/Other).
Seminole County's Multiracial Population
2,240 residents of Seminole County, or 9.5% of the population, identify as Multiracial. The share of Multiracial residents in Seminole County is comparable to the share in Oklahoma overall, where 8.9% of the population is Multiracial. Seminole County ranks 13th statewide in terms of Multiracial residents as a share of the population, out of 77 counties.
Since the 2020 Census, Seminole County's Multiracial population has declined by an estimated 19.2%. Multiracial residents' share of Seminole County's population has decreased from 11.8% to 9.5%.
Seminole County is more Multiracial than neighboring Pottawatomie County (9.1% Multiracial), Hughes County (7% Multiracial), Pontotoc County (9% Multiracial), and Lincoln County (8.2% Multiracial). Seminole County is less Multiracial than neighboring Okfuskee County (10.8% 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.