Achille: Demographics & People
About 394 people live in Achille, in 131 households. Population shrank 4.1% from 411 (2022) to 394 (2024). Median age 40.9 years. (3.9y older than Bryan County; 5.7y older than Oklahoma). Children under 18 are 22% of the population. Population is 78% White (non-Hispanic) and 7% Hispanic or Latino. 69% of households are family-led. County is gaining 1,885 residents per year (2022-2023). County health: 41% adult obesity, 20% smoke.
- 3.0 people per household (vs Oklahoma avg 2.6).
- 31% non-family households (singles, roommates) (vs Oklahoma 39%).
- 75 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 4.1% from 411 (2022) to 394 (2024). Estimated 2026 population: ~377 (extrapolated at -2.1%/yr trend). Census Bureau Vintage estimate: 356.
| Census data vintage | 2024 |
|---|---|
| Population | 46,067 people |
| Annual growth rate · Population change | -4.1% |
| Annual growth rate · Population (2022) | 411 |
| Annual growth rate · Population (2024) | 394 |
| Annual growth rate · Trend category | declining |
| Population | 394 people (vs Oklahoma 63,420) |
| Population Estimate | 356 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 40.9y is 2.0 years older than the U.S. median (38.9y). Children under 18 make up 22% — near the U.S. share of ~22%.
| Age Summary · Median age | 40.9 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 21.8% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 394 |
| Age Summary · Under 18 | 86 |
| Age Summary · 18 To 34 | 77.0× |
| Age Summary · 35 To 64 | 148.0× |
| Age Summary · 65 Plus | 83 |
| Population under 18 | 86 |
| Median age | 40.9 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 394 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 324 |
|---|---|
| Black residents | 3 |
| Hispanic or Latino residents | 18 |
| Diversity Index · Simpson Index | 30.6% |
| Diversity Index · Interpretation | less diverse |
| Black population | 1.0% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 6.6% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 77.7% (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 (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 190 |
|---|---|
| Residents born in another state | 202 |
| Share born in this state | 48.2% |
| Share born in another state | 51.8% |
| Native-born U.S. citizens | 51.3% |
| Naturalized citizens | 0.5% |
| Total foreign-born residents | 1,166 |
Households & Family Composition
131 households. Averaging 3.0 people each — larger than the U.S. average of 2.5. 69% are family households — above the U.S. share of ~65%. Of 92 families, 39% are married couples with children.
| Children under 18 | 108 |
|---|---|
| Total families | 92 |
| Married couples with children | 36 |
| Single-parent households | 2 |
| Average household size | 3.04 |
| Women who gave birth (past year) | 9.1% |
| Grandparents living with grandchildren | 7 |
| Grandparents responsible for grandchildren | 2 |
| Family households | 90 households (vs Oklahoma 16,590) |
| Households that are families | 68.7% (vs Oklahoma 61.1%) |
| Total households | 131 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. 2.8% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 1,885 residents per year on net (IRS migration data).
| Moved within the county (past year) | 2.8% |
|---|---|
| Migration · People moving in (annual) | 41,429 |
| Migration · People moving out (annual) | 39,544 |
| Migration · Net migration (in − out) | 1,885 |
| 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 | 51 |
|---|---|
| Disability rate | 12.3% |
Other
| Congressional District · District | 2 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40013 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 013 |
| Cdc Birth Rate · County | Bryan |
| Cdc Birth Rate · Birth Rate | 35.8% |
| Cdc Birth Rate · Lower Ci | 31.40 |
| Cdc Birth Rate · Upper Ci | 40.50 |
| Cdc Mortality · Fips | 40013 |
| Cdc Mortality · County | Bryan County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 1,985 |
| Cdc Vaccination · Fips | 40013 |
| Cdc Vaccination · County | Bryan County |
| Cdc Vaccination · Dose1 Pop Pct | 54.6% |
| Cdc Vaccination · Series Complete Pct | 45.6% |
| Cdc Vaccination · Booster Pct | 38.0% |
| Cdc Vaccination · Population 2019 | 47,995 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 2.30 |
| Family Score · Schools | 2 |
| Family Score · Childcare Centers | 1 |
| Family Score · Children Pct | 21.8% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 394, declining, established, working-class, service economy |
| Town Summary · Population | 394 people (vs Oklahoma 63,420) |
| Town Summary · County | Bryan County |
Sources: NCES school congressional district assignment · federal dataset cascade