Arapaho: Demographics & People
715 people call Arapaho home, in 237 households. Population shrank 10.8% from 802 (2022) to 715 (2024). Median age 36.8 years. (4.0y older than Custer County; 1.6y older than Oklahoma). Children under 18 are 28% of the population. Population is 64% White (non-Hispanic) and 26% Hispanic or Latino. The community is somewhat diverse (Simpson index 0.35). 65% of households are family-led. County health: 39% adult obesity, 17% smoke.
- 3.0 people per household (vs Oklahoma avg 2.6).
- 35% non-family households (singles, roommates) (vs Oklahoma 39%).
- 62 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 10.8% from 802 (2022) to 715 (2024). Estimated 2026 population: ~639 (extrapolated at -5.4%/yr trend). Census Bureau Vintage estimate: 546.
| Census data vintage | 2024 |
|---|---|
| Population | 28,513 people |
| Annual growth rate · Population change | -10.8% |
| Annual growth rate · Population (2022) | 802 |
| Annual growth rate · Population (2024) | 715 |
| Annual growth rate · Trend category | shrinking |
| Population | 715 people (vs Oklahoma 63,420) |
| Population Estimate | 546 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 36.8y is 2.1 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 | 36.8 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 28.5% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 715 |
| Age Summary · Under 18 | 204 |
| Age Summary · 18 To 34 | 135.0× |
| Age Summary · 35 To 64 | 305.0× |
| Age Summary · 65 Plus | 71 |
| Population under 18 | 204 |
| Median age | 36.8 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 715 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.35 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.
| White residents | 703 |
|---|---|
| Black residents | 14 |
| Hispanic or Latino residents | 185 |
| Diversity Index · Diversity index (Simpson) | 35.0% |
| Diversity Index · Diversity label | somewhat diverse |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 77.9% |
| Asian population | 0.3% (vs Oklahoma 3.2%) |
| Black population | 4.1% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 25.5% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 63.9% (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 | 479 |
|---|---|
| Residents born in another state | 229 |
| Share born in this state | 67.0% |
| Share born in another state | 33.0% |
| Native-born U.S. citizens | 32.0% |
| Naturalized citizens | 1.0% |
| Total foreign-born residents | 3 |
| From Europe | 3 |
Households & Family Composition
237 households. Averaging 2.8 people each — larger than the U.S. average of 2.5. 65% are family households — near the U.S. share of ~65%. Of 155 families, 30% are married couples with children.
| Children under 18 | 197 |
|---|---|
| Total families | 155 |
| Married couples with children | 47 |
| Single-parent households | 23 |
| Average household size | 2.82 |
| Women who gave birth (past year) | 12.4% |
| Grandparents living with grandchildren | 3 |
| Family households | 155 households (vs Oklahoma 16,590) |
| Households that are families | 65.4% (vs Oklahoma 61.1%) |
| Total households | 237 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. 19.8% moved within the county in the past year — the U.S. baseline is roughly 8–10%.
| Moved within the county (past year) | 19.8% |
|---|---|
| Migration · People moving in (annual) | 24,729 |
| Migration · People moving out (annual) | 24,708 |
| Migration · Net migration (in − out) | 21 |
| 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 | 94 |
|---|---|
| Disability rate | 12.9% |
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. 76 residents live in group quarters (10.6% of population).
| Living in group quarters | 76 |
|---|
Other
| Congressional District · District | 3 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40039 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 039 |
| Cdc Birth Rate · County | Custer |
| Cdc Birth Rate · Birth Rate | 25.9% |
| Cdc Birth Rate · Lower Ci | 21.80 |
| Cdc Birth Rate · Upper Ci | 30.40 |
| Cdc Mortality · Fips | 40039 |
| Cdc Mortality · County | Custer County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 1,016 |
| Cdc Vaccination · Fips | 40039 |
| Cdc Vaccination · County | Custer County |
| Cdc Vaccination · Dose1 Pop Pct | 59.1% |
| Cdc Vaccination · Series Complete Pct | 50.5% |
| Cdc Vaccination · Booster Pct | 43.2% |
| Cdc Vaccination · Population 2019 | 29,003 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 2.00 |
| Family Score · Schools | 2 |
| Family Score · Children Pct | 28.5% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 715, shrinking, family-oriented, working-class, mixed |
| Town Summary · Population | 715 people (vs Oklahoma 63,420) |
| Town Summary · County | Custer County |
Sources: NCES school congressional district assignment · federal dataset cascade