Adair: Demographics & People
About 650 people live in Adair, in 243 households. Population shrank 1.7% from 661 (2022) to 650 (2024). Median age 35.6 years. (4.8y younger than Mayes County). Children under 18 are 28% of the population. Population is 62% White (non-Hispanic) and 7% Hispanic or Latino. 70% of households are family-led. County is gaining 928 residents per year (2022-2023). County health: 43% adult obesity, 22% smoke.
- 2.7 people per household (vs Oklahoma avg 2.6).
- 30% non-family households (singles, roommates) (vs Oklahoma 39%).
- 86 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 1.7% from 661 (2022) to 650 (2024). Estimated 2026 population: ~639 (extrapolated at -0.8%/yr trend). Census Bureau Vintage estimate: 625.
| Census data vintage | 2024 |
|---|---|
| Population | 39,046 people |
| Annual growth rate · Population change | -1.7% |
| Annual growth rate · Population (2022) | 661 |
| Annual growth rate · Population (2024) | 650 |
| Annual growth rate · Trend category | declining |
| Population | 650 people (vs Oklahoma 63,420) |
| Population Estimate | 625 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 35.6y is 3.3 years younger than the U.S. median (38.9y). Children under 18 make up 28% — above the U.S. share of ~22%.
| Age Summary · Median age | 35.6 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 28.5% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 650 |
| Age Summary · Under 18 | 185 |
| Age Summary · 18 To 34 | 124.0× |
| Age Summary · 35 To 64 | 225.0× |
| Age Summary · 65 Plus | 116 |
| Population under 18 | 185 |
| Median age | 35.6 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 650 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 442 |
|---|---|
| Hispanic or Latino residents | 69 |
| Diversity Index · Simpson Index | 48.1% |
| Diversity Index · Interpretation | moderately diverse |
| Asian population | 0.2% (vs Oklahoma 3.2%) |
| Hispanic or Latino population | 6.6% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 62.0% (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 (7)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 412 |
|---|---|
| Residents born in another state | 213 |
| Share born in this state | 63.4% |
| Share born in another state | 36.6% |
| Native-born U.S. citizens | 32.8% |
| Naturalized citizens | 3.8% |
| Total foreign-born residents | 29 |
Households & Family Composition
243 households. Averaging 3.0 people each — larger than the U.S. average of 2.5. 70% are family households — above the U.S. share of ~65%. Of 155 families, 28% are married couples with children.
| Children under 18 | 211 |
|---|---|
| Total families | 155 |
| Married couples with children | 44 |
| Single-parent households | 10 |
| Average household size | 3.03 |
| Women who gave birth (past year) | 17.1% |
| Grandparents living with grandchildren | 20 |
| Grandparents responsible for grandchildren | 20 |
| Family households | 169 households (vs Oklahoma 16,590) |
| Households that are families | 69.5% (vs Oklahoma 61.1%) |
| Total households | 243 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. 9.3% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 928 residents per year on net (IRS migration data).
| Moved within the county (past year) | 9.3% |
|---|---|
| Migration · People moving in (annual) | 36,427 |
| Migration · People moving out (annual) | 35,499 |
| Migration · Net migration (in − out) | 928 |
| 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 | 55 |
|---|---|
| Disability rate | 7.3% |
Other
| Congressional District · District | 2 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40097 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 097 |
| Cdc Birth Rate · County | Mayes |
| Cdc Birth Rate · Birth Rate | 36.7% |
| Cdc Birth Rate · Lower Ci | 31.80 |
| Cdc Birth Rate · Upper Ci | 42.20 |
| Cdc Mortality · Fips | 40097 |
| Cdc Mortality · County | Mayes County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 1,234 |
| Cdc Vaccination · Fips | 40097 |
| Cdc Vaccination · County | Mayes County |
| Cdc Vaccination · Dose1 Pop Pct | 56.0% |
| Cdc Vaccination · Series Complete Pct | 45.4% |
| Cdc Vaccination · Booster Pct | 41.5% |
| Cdc Vaccination · Population 2019 | 41,100 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 2.50 |
| Family Score · Schools | 3 |
| Family Score · Children Pct | 28.5% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 650, declining, family-oriented, upper-middle, mixed |
| Town Summary · Population | 650 people (vs Oklahoma 63,420) |
| Town Summary · County | Mayes County |
Sources: NCES school congressional district assignment · federal dataset cascade