Ottawa County: Demographics & People
Ottawa County's population stands at 30,341 people, in 11,921 households. Median age 37.2 years. (2.0y older than Oklahoma). Population is 6% Hispanic or Latino and 1% Black. County is gaining 245 residents per year (2022-2023). County health: 42% adult obesity, 24% smoke.
- 2.5 people per household (vs Oklahoma avg 2.6).
- 77 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Current population 30,341; figures track the most recent Census ACS 5-year estimates.
| Population | 30,341 people (vs Oklahoma 63,420) |
|---|---|
| Total Town Population | 18,976 people |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Age Distribution
Median age 37.2y is 1.7 years younger than the U.S. median (38.9y).
| Age Summary · Total Pop | 30,341 |
|---|---|
| Age Summary · Under 18 | 7,660 |
| Age Summary · 18 To 34 | 6,738.0× |
| Age Summary · 35 To 64 | 10,443.0× |
| Age Summary · 65 Plus | 5,500 |
| Age Summary · Pct Under 18 | 25.2% |
| Age Summary · Pct 18 To 34 | 22.2% |
| Age Summary · Pct 35 To 64 | 34.4% |
| Median age | 37.2 years (vs Oklahoma 35.2y) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 30,341 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| Census Demographics · Total Population | 30,341 people |
|---|---|
| White residents | 19,188 |
| Black residents | 343 |
| Asian residents | 255 |
| Census Demographics · Aian | 5,712 |
| Census Demographics · Nhpi | 227 |
| Census Demographics · Other Race | 940 |
| Census Demographics · Two Or More Races | 3,676 |
| Diversity Index | 54.9% |
| Asian population | 0.8% (vs Oklahoma 3.2%) |
| Black population | 1.1% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 6.1% (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). 8.2% are foreign-born — below the U.S. average of 13.9%.
| Census Citizenship · Total | 30,341 |
|---|---|
| Census Citizenship · Native | 29,536 |
| Residents born in this state | 15,847 |
| Residents born in another state | 13,546 |
| Census Citizenship · Foreign Born | 2,484 |
| Census Citizenship · Naturalized | 2,330 |
| Census Citizenship · Non Citizen | 143 |
| Foreign-born residents | 8.2% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Households & Family Composition
11,921 households.
| Family households | 7,640 households (vs Oklahoma 16,590) |
|---|---|
| Total households | 11,921 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 245 residents per year on net (IRS migration data).
| Migration · People moving in (annual) | 26,530 |
|---|---|
| Migration · People moving out (annual) | 26,285 |
| Migration · Net migration (in − out) | 245 |
| 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 | 29,963 |
|---|---|
| With Disability | 6,465 |
| Pct With Disability | 21.6% |
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 | 1,127 |
|---|
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Other
| Census Mobility · Total | 29,964 |
|---|---|
| Census Mobility · Same House | 26,712 |
| Census Mobility · Same County | 1,943 |
| Census Mobility · Diff County Same State | 602 |
| Census Mobility · Diff State | 694 |
| Census Mobility · From Abroad | 13 |
| Census Mobility · Moved Total | 3,252 |
| Census Mobility · Pct Moved In Year | 10.8% |
| Pct White | 63.2% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29