Quapaw: Demographics & People
Quapaw's population stands at 728 people, in 290 households. Population shrank 8.7% from 797 (2022) to 728 (2024). Median age 41.0 years. (3.8y older than Ottawa County; 5.8y older than Oklahoma). Children under 18 are 27% of the population. Population is 56% White (non-Hispanic) and 3% Hispanic or Latino. 60% of households are family-led. County is gaining 245 residents per year (2022-2023). County health: 44% adult obesity, 22% smoke.
- 2.5 people per household (vs Oklahoma avg 2.6).
- 40% 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 8.7% from 797 (2022) to 728 (2024). Estimated 2026 population: ~666 (extrapolated at -4.3%/yr trend). Census Bureau Vintage estimate: 589.
| Census data vintage | 2024 |
|---|---|
| Population | 30,285 people |
| Annual growth rate · Population change | -8.7% |
| Annual growth rate · Population (2022) | 797 |
| Annual growth rate · Population (2024) | 728 |
| Annual growth rate · Trend category | shrinking |
| Population | 728 people (vs Oklahoma 63,420) |
| Population Estimate | 589 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 41.0y is 2.1 years older than the U.S. median (38.9y). Children under 18 make up 27% — above the U.S. share of ~22%.
| Age Summary · Median age | 41.0 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 26.8% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 728 |
| Age Summary · Under 18 | 195 |
| Age Summary · 18 To 34 | 122.0× |
| Age Summary · 35 To 64 | 257.0× |
| Age Summary · 65 Plus | 154 |
| Population under 18 | 195 |
| Median age | 41.0 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 728 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 432 |
|---|---|
| Asian residents | 10 |
| Hispanic or Latino residents | 32 |
| Diversity Index · Simpson Index | 52.4% |
| Diversity Index · Interpretation | moderately diverse |
| Asian population | 1.0% (vs Oklahoma 3.2%) |
| Hispanic or Latino population | 3.2% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 55.8% (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 | 389 |
|---|---|
| Residents born in another state | 322 |
| Share born in this state | 53.4% |
| Share born in another state | 46.6% |
| Native-born U.S. citizens | 44.2% |
| Naturalized citizens | 2.3% |
| Total foreign-born residents | 18 |
| From Europe | 2 |
| From Africa | 8 |
Households & Family Composition
290 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 60% are family households — below the U.S. share of ~65%. Of 193 families, 26% are married couples with children.
| Children under 18 | 227 |
|---|---|
| Total families | 193 |
| Married couples with children | 50 |
| Single-parent households | 21 |
| Average household size | 2.53 |
| Women who gave birth (past year) | 18.0% |
| Grandparents living with grandchildren | 18 |
| Grandparents responsible for grandchildren | 13 |
| Family households | 175 households (vs Oklahoma 16,590) |
| Households that are families | 60.3% (vs Oklahoma 61.1%) |
| Total households | 290 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. 15.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 245 residents per year on net (IRS migration data).
| Moved within the county (past year) | 15.6% |
|---|---|
| Migration · People moving in (annual) | 26,530 |
| Migration · People moving out (annual) | 26,285 |
| Migration · Net migration (in − out) | 245 |
| 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 | 86 |
|---|---|
| Disability rate | 10.6% |
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. 41 residents live in group quarters (5.6% of population).
| Living in group quarters | 41 |
|---|
Other
| Congressional District · District | 2 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40115 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 115 |
| Cdc Birth Rate · County | Ottawa |
| Cdc Birth Rate · Birth Rate | 35.5% |
| Cdc Birth Rate · Lower Ci | 30.50 |
| Cdc Birth Rate · Upper Ci | 41.10 |
| Cdc Mortality · Fips | 40115 |
| Cdc Mortality · County | Ottawa County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 1,240 |
| Cdc Vaccination · Fips | 40115 |
| Cdc Vaccination · County | Ottawa County |
| Cdc Vaccination · Dose1 Pop Pct | 50.1% |
| Cdc Vaccination · Series Complete Pct | 41.2% |
| Cdc Vaccination · Booster Pct | 42.1% |
| Cdc Vaccination · Population 2019 | 31,127 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 2.50 |
| Family Score · Schools | 3 |
| Family Score · Children Pct | 26.8% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 728, shrinking, established, working-class, mixed |
| Town Summary · Population | 728 people (vs Oklahoma 63,420) |
| Town Summary · County | Ottawa County |
Sources: NCES school congressional district assignment · federal dataset cascade