Tonkawa: Demographics & People
Tonkawa is home to 3,014 people, in 1,149 households. Population shrank 0.1% from 3,018 (2022) to 3,014 (2024). Median age 33.6 years. (4.9y younger than Kay County; 1.6y younger than Oklahoma). Children under 18 are 23% of the population. Population is 72% White (non-Hispanic) and 10% Hispanic or Latino. The community is relatively homogeneous (Simpson index 0.19). 56% of households are family-led. County is losing 415 residents per year (2022-2023). County health: 44% adult obesity, 18% smoke.
- 2.6 people per household (vs Oklahoma avg 2.6).
- 44% non-family households (singles, roommates) (vs Oklahoma 39%).
- 72 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 0.1% from 3,018 (2022) to 3,014 (2024). Estimated 2026 population: ~3,010 (extrapolated at -0.1%/yr trend).
| Census data vintage | 2024 |
|---|---|
| Population | 43,700 people |
| Annual growth rate · Population change | -0.1% |
| Annual growth rate · Population (2022) | 3,018 |
| Annual growth rate · Population (2024) | 3,014 |
| Annual growth rate · Trend category | stable |
| Population | 3,014 people (vs Oklahoma 63,420) |
| Population Estimate | 3,004 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 33.6y is 5.3 years younger than the U.S. median (38.9y). Children under 18 make up 23% — near the U.S. share of ~22%.
| Age Summary · Median age | 33.6 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 23.0% |
| Age Summary · Character | young professional |
| Age Summary · Total Pop | 3,014 |
| Age Summary · Under 18 | 694 |
| Age Summary · 18 To 34 | 863.0× |
| Age Summary · 35 To 64 | 890.0× |
| Age Summary · 65 Plus | 567 |
| Population under 18 | 694 |
| Median age | 33.6 years (vs Oklahoma 35.2y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 3,014 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.19 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 2,359 |
|---|---|
| Black residents | 11 |
| Asian residents | 23 |
| Hispanic or Latino residents | 247 |
| Diversity Index · Diversity index (Simpson) | 19.3% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 89.4% |
| Asian population | 0.5% (vs Oklahoma 3.2%) |
| Black population | 0.7% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 9.9% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 71.9% (vs Oklahoma 57.8%) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Ancestry
Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.
Top (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 0.5% are foreign-born — below the U.S. average of 13.9%. 4% have naturalized to U.S. citizenship.
| Residents born in this state | 2,030 |
|---|---|
| Residents born in another state | 859 |
| Share born in this state | 67.4% |
| Share born in another state | 32.6% |
| Native-born U.S. citizens | 28.5% |
| Foreign-born residents | 0.5% |
| Naturalized citizens | 3.6% |
| Total foreign-born residents | 92 |
| From Europe | 1 |
| From Africa | 14 |
Households & Family Composition
1,149 households. Averaging 2.3 people each — smaller than the U.S. average of 2.5. 56% are family households — below the U.S. share of ~65%. Of 645 families, 29% are married couples with children.
| Children under 18 | 696 |
|---|---|
| Total families | 645 |
| Married couples with children | 188 |
| Single-parent households | 22 |
| Average household size | 2.33 |
| Women who gave birth (past year) | 11.3% |
| Grandparents living with grandchildren | 80 |
| Grandparents responsible for grandchildren | 44 |
| Family households | 642 households (vs Oklahoma 16,590) |
| Households that are families | 55.9% (vs Oklahoma 61.1%) |
| Total households | 1,149 households (vs Oklahoma 23,671) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 13.1% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 415 residents per year on net (IRS migration data).
| Moved within the county (past year) | 13.1% |
|---|---|
| Migration · People moving in (annual) | 37,141 |
| Migration · People moving out (annual) | 37,556 |
| Migration · Net migration (in − out) | -415 |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12
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.
| Residents with a disability | 238 |
|---|---|
| Disability rate | 8.1% |
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. 327 residents live in group quarters (10.8% of population).
| Living in group quarters | 327 |
|---|
Other
| Congressional District · District | 3 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40071 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 071 |
| Cdc Birth Rate · County | Kay |
| Cdc Birth Rate · Birth Rate | 37.4% |
| Cdc Birth Rate · Lower Ci | 32.80 |
| Cdc Birth Rate · Upper Ci | 42.50 |
| Cdc Mortality · Fips | 40071 |
| Cdc Mortality · County | Kay County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 1,827 |
| Cdc Vaccination · Fips | 40071 |
| Cdc Vaccination · County | Kay County |
| Cdc Vaccination · Dose1 Pop Pct | 54.2% |
| Cdc Vaccination · Series Complete Pct | 45.9% |
| Cdc Vaccination · Booster Pct | 47.0% |
| Cdc Vaccination · Population 2019 | 43,538 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 2.50 |
| Family Score · Schools | 3 |
| Family Score · Children Pct | 23.0% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 3,014, stable, young professional, middle-class, mixed |
| Town Summary · Population | 3,014 people (vs Oklahoma 63,420) |
| Town Summary · County | Kay County |
Sources: NCES school congressional district assignment · federal dataset cascade