Wauhillau: Demographics & People
About 309 people live in Wauhillau, in 113 households. Population shrank 17.8% from 376 (2022) to 309 (2024). Median age 30.2 years. (7.7y younger than Adair County; 5.0y younger than Oklahoma). Children under 18 are 38% of the population. Population is 23% White (non-Hispanic). 56% of households are family-led. County is gaining 402 residents per year (2022-2023). County health: 44% adult obesity, 26% smoke.
- 2.7 people per household (vs Oklahoma avg 2.6).
- 44% non-family households (singles, roommates) (vs Oklahoma 39%).
- 107 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 17.8% from 376 (2022) to 309 (2024). Estimated 2026 population: ~256 (extrapolated at -8.9%/yr trend). Census Bureau Vintage estimate: 195.
| Census data vintage | 2024 |
|---|---|
| Population | 19,495 people |
| Annual growth rate · Population change | -17.8% |
| Annual growth rate · Population (2022) | 376 |
| Annual growth rate · Population (2024) | 309 |
| Annual growth rate · Trend category | shrinking |
| Population | 309 people (vs Oklahoma 63,420) |
| Population Estimate | 195 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 30.2y is 8.7 years younger than the U.S. median (38.9y). Children under 18 make up 38% — above the U.S. share of ~22%.
| Age Summary · Median age | 30.2 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 38.2% |
| Age Summary · Character | young professional |
| Age Summary · Total Pop | 309 |
| Age Summary · Under 18 | 118 |
| Age Summary · 18 To 34 | 67.0× |
| Age Summary · 35 To 64 | 82.0× |
| Age Summary · 65 Plus | 42 |
| Population under 18 | 118 |
| Median age | 30.2 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 309 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 69 |
|---|---|
| Hispanic or Latino residents | 4 |
| Diversity Index · Simpson Index | 36.7% |
| Diversity Index · Interpretation | less diverse |
| White (non-Hispanic) population | 22.7% (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 (4)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 262 |
|---|---|
| Residents born in another state | 47 |
| Share born in this state | 84.8% |
| Share born in another state | 15.2% |
| Native-born U.S. citizens | 15.2% |
| Total foreign-born residents | 463 |
Households & Family Composition
113 households. Averaging 2.9 people each — larger than the U.S. average of 2.5. 56% are family households — below the U.S. share of ~65%. Of 75 families, 57% are married couples with children.
| Children under 18 | 146 |
|---|---|
| Total families | 75 |
| Married couples with children | 43 |
| Average household size | 2.94 |
| Women who gave birth (past year) | 9.0% |
| Grandparents living with grandchildren | 3 |
| Grandparents responsible for grandchildren | 3 |
| Family households | 63 households (vs Oklahoma 16,590) |
| Households that are families | 55.8% (vs Oklahoma 61.1%) |
| Total households | 113 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. 3.2% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 402 residents per year on net (IRS migration data).
| Moved within the county (past year) | 3.2% |
|---|---|
| Migration · People moving in (annual) | 17,927 |
| Migration · People moving out (annual) | 17,525 |
| Migration · Net migration (in − out) | 402 |
| Migration · Population growing | Yes |
| 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 | 38 |
|---|---|
| Disability rate | 9.3% |
Other
| Congressional District · District | 2 |
|---|---|
| Congressional District · Formatted | OK-02 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40001 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 001 |
| Cdc Birth Rate · County | Adair |
| Cdc Birth Rate · Birth Rate | 48.7% |
| Cdc Birth Rate · Lower Ci | 41.60 |
| Cdc Birth Rate · Upper Ci | 56.50 |
| Cdc Mortality · Fips | 40001 |
| Cdc Mortality · County | Adair County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 653 |
| Cdc Vaccination · Fips | 40001 |
| Cdc Vaccination · County | Adair County |
| Cdc Vaccination · Dose1 Pop Pct | 56.5% |
| Cdc Vaccination · Series Complete Pct | 38.6% |
| Cdc Vaccination · Booster Pct | 34.6% |
| Cdc Vaccination · Population 2019 | 22,194 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 9.00 |
| Family Score · Schools | 16 |
| Family Score · Children Pct | 38.2% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 309, shrinking, young professional, lower-income, blue collar |
| Town Summary · Population | 309 people (vs Oklahoma 63,420) |
| Town Summary · County | Adair County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade