Avant: Demographics & People
About 209 people live in Avant, in 82 households. Population shrank 14.3% from 244 (2022) to 209 (2024). Median age 40.1 years. (3.1y younger than Osage County; 4.9y older than Oklahoma). Children under 18 are 28% of the population. Population is 57% White (non-Hispanic). The community is relatively homogeneous (Simpson index 0.02). 67% of households are family-led. County is gaining 1,883 residents per year (2022-2023). County health: 40% adult obesity, 19% smoke.
- 2.5 people per household (vs Oklahoma avg 2.6).
- 33% non-family households (singles, roommates) (vs Oklahoma 39%).
- 92 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 14.3% from 244 (2022) to 209 (2024). Estimated 2026 population: ~180 (extrapolated at -7.2%/yr trend). Census Bureau Vintage estimate: 145.
| Census data vintage | 2024 |
|---|---|
| Population | 45,818 people |
| Annual growth rate · Population change | -14.3% |
| Annual growth rate · Population (2022) | 244 |
| Annual growth rate · Population (2024) | 209 |
| Annual growth rate · Trend category | shrinking |
| Population | 209 people (vs Oklahoma 63,420) |
| Population Estimate | 145 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 40.1y is 1.2 years older than the U.S. median (38.9y). Children under 18 make up 28% — above the U.S. share of ~22%.
| Age Summary · Median age | 40.1 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 27.8% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 209 |
| Age Summary · Under 18 | 58 |
| Age Summary · 18 To 34 | 31.0× |
| Age Summary · 35 To 64 | 78.0× |
| Age Summary · 65 Plus | 42 |
| Population under 18 | 58 |
| Median age | 40.1 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 209 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.02 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 157 |
|---|---|
| Hispanic or Latino residents | 2 |
| Diversity Index · Diversity index (Simpson) | 2.5% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 2 |
| Diversity Index · Largest group share | 98.7% |
| White (non-Hispanic) population | 56.9% (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).
| Residents born in this state | 166 |
|---|---|
| Residents born in another state | 43 |
| Share born in this state | 79.4% |
| Share born in another state | 20.6% |
| Native-born U.S. citizens | 20.6% |
| Total foreign-born residents | 577 |
Households & Family Composition
82 households. Averaging 2.7 people each — larger than the U.S. average of 2.5. 67% are family households — above the U.S. share of ~65%. Of 61 families, 30% are married couples with children.
| Children under 18 | 64 |
|---|---|
| Total families | 61 |
| Married couples with children | 18 |
| Single-parent households | 2 |
| Average household size | 2.71 |
| Women who gave birth (past year) | 5.7% |
| Grandparents living with grandchildren | 1 |
| Grandparents responsible for grandchildren | 1 |
| Family households | 55 households (vs Oklahoma 16,590) |
| Households that are families | 67.1% (vs Oklahoma 61.1%) |
| Total households | 82 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. 6.7% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 1,883 residents per year on net (IRS migration data).
| Moved within the county (past year) | 6.7% |
|---|---|
| Migration · People moving in (annual) | 40,571 |
| Migration · People moving out (annual) | 38,688 |
| Migration · Net migration (in − out) | 1,883 |
| 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 | 22 |
|---|---|
| Disability rate | 9.2% |
Other
| Congressional District · District | 3 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40113 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 113 |
| Cdc Birth Rate · County | Osage |
| Cdc Birth Rate · Birth Rate | 17.4% |
| Cdc Birth Rate · Lower Ci | 14.40 |
| Cdc Birth Rate · Upper Ci | 20.90 |
| Cdc Mortality · Fips | 40113 |
| Cdc Mortality · County | Osage County |
| Cdc Mortality · Urban Rural | Medium metro |
| Cdc Mortality · Total Deaths 2020 2023 | 1,090 |
| Cdc Vaccination · Fips | 40113 |
| Cdc Vaccination · County | Osage County |
| Cdc Vaccination · Dose1 Pop Pct | 44.1% |
| Cdc Vaccination · Series Complete Pct | 36.7% |
| Cdc Vaccination · Booster Pct | 43.9% |
| Cdc Vaccination · Population 2019 | 46,963 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 1.50 |
| Family Score · Schools | 1 |
| Family Score · Children Pct | 27.8% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 209, shrinking, established, middle-class, mixed |
| Town Summary · Population | 209 people (vs Oklahoma 63,420) |
| Town Summary · County | Osage County |
Sources: NCES school congressional district assignment · federal dataset cascade