Seminole County: Demographics & People
23,494 people call Seminole County home, in 8,782 households. Median age 39.2 years. (4.0y older than Oklahoma). Population is 6% Hispanic or Latino and 4% Black. County is gaining 108 residents per year (2022-2023). County health: 43% adult obesity, 26% smoke.
- 2.7 people per household (vs Oklahoma avg 2.6).
- 75 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Current population 23,494; figures track the most recent Census ACS 5-year estimates.
| Population | 23,494 people (vs Oklahoma 63,420) |
|---|---|
| Total Town Population | 12,478 people |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Age Distribution
Median age 39.2y is 0.3 years older than the U.S. median (38.9y).
| Age Summary · Total Pop | 23,494 |
|---|---|
| Age Summary · Under 18 | 5,714 |
| Age Summary · 18 To 34 | 4,865.0× |
| Age Summary · 35 To 64 | 8,590.0× |
| Age Summary · 65 Plus | 4,325 |
| Age Summary · Pct Under 18 | 24.3% |
| Age Summary · Pct 18 To 34 | 20.7% |
| Age Summary · Pct 35 To 64 | 36.6% |
| Median age | 39.2 years (vs Oklahoma 35.2y) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 23,494 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| Census Demographics · Total Population | 23,494 people |
|---|---|
| White residents | 15,117 |
| Black residents | 842 |
| Asian residents | 103 |
| Census Demographics · Aian | 4,445 |
| Census Demographics · Nhpi | 12 |
| Census Demographics · Other Race | 230 |
| Census Demographics · Two Or More Races | 2,745 |
| Diversity Index | 53.5% |
| Asian population | 0.4% (vs Oklahoma 3.2%) |
| Black population | 3.6% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 5.7% (vs Oklahoma 12.3%) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 9.8% are foreign-born — below the U.S. average of 13.9%.
| Census Citizenship · Total | 23,494 |
|---|---|
| Census Citizenship · Native | 22,929 |
| Residents born in this state | 17,074 |
| Residents born in another state | 5,728 |
| Census Citizenship · Foreign Born | 2,298 |
| Census Citizenship · Naturalized | 1,909 |
| Census Citizenship · Non Citizen | 127 |
| Foreign-born residents | 9.8% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Households & Family Composition
8,782 households.
| Family households | 5,847 households (vs Oklahoma 16,590) |
|---|---|
| Total households | 8,782 households (vs Oklahoma 23,671) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Residential Stability & Migration
How long residents have lived here and where they came from. The surrounding county is gaining 108 residents per year on net (IRS migration data).
| Migration · People moving in (annual) | 19,885 |
|---|---|
| Migration · People moving out (annual) | 19,777 |
| Migration · Net migration (in − out) | 108 |
| Migration · Population growing | Yes |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2022-2023
Disability
Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.
| Census Disability · Total Pop | 23,038 |
|---|---|
| With Disability | 5,557 |
| Pct With Disability | 24.1% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Group Quarters
Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 0 residents live in group quarters.
| Census Group Quarters · Total | 727 |
|---|
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Other
| Census Mobility · Total | 23,204 |
|---|---|
| Census Mobility · Same House | 20,736 |
| Census Mobility · Same County | 1,147 |
| Census Mobility · Diff County Same State | 969 |
| Census Mobility · Diff State | 320 |
| Census Mobility · From Abroad | 32 |
| Census Mobility · Moved Total | 2,468 |
| Census Mobility · Pct Moved In Year | 10.6% |
| Pct White | 64.3% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29