Bartlesville: Demographics & People
Bartlesville's population stands at 37,878 people, in 14,819 households. Population grew 0.8% from 37,559 (2022) to 37,878 (2024). Median age 36.8 years. (2.4y younger than Washington County; 1.6y older than Oklahoma). Children under 18 are 25% of the population. Population is 71% White (non-Hispanic) and 7% Hispanic or Latino. The community is somewhat diverse (Simpson index 0.27). 64% of households are family-led. County is gaining 1,883 residents per year (2022-2023). County health: 40% adult obesity, 19% smoke.
- 2.6 people per household (vs Oklahoma avg 2.6).
- 36% non-family households (singles, roommates) (vs Oklahoma 39%).
- 79 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population grew 0.8% from 37,559 (2022) to 37,878 (2024) — about 1.4× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~38,200 (extrapolated at 0.4%/yr trend). Census Bureau Vintage estimate: 38,633.
| Census data vintage | 2024 |
|---|---|
| Population | 45,818 people |
| Annual growth rate · Population change | 0.8% |
| Annual growth rate · Population (2022) | 37,559 |
| Annual growth rate · Population (2024) | 37,878 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | stable |
| Population | 37,878 people (vs Oklahoma 63,420) |
| Population Estimate | 38,633 |
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 25% — above the U.S. share of ~22%.
| Age Summary · Median age | 36.8 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 25.2% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 37,878 |
| Age Summary · Under 18 | 9,539 |
| Age Summary · 18 To 34 | 8,325.0× |
| Age Summary · 35 To 64 | 12,838.0× |
| Age Summary · 65 Plus | 7,176 |
| Population under 18 | 9,539 |
| 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 37,878 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.27 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.
| White residents | 27,429 |
|---|---|
| Black residents | 1,420 |
| Asian residents | 897 |
| Hispanic or Latino residents | 2,661 |
| Diversity Index · Diversity index (Simpson) | 27.4% |
| Diversity Index · Diversity label | somewhat diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 84.6% |
| Asian population | 2.2% (vs Oklahoma 3.2%) |
| Black population | 3.3% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 7.2% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 71.0% (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 (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 0.6% are foreign-born — below the U.S. average of 13.9%. 4% have naturalized to U.S. citizenship.
| Residents born in this state | 20,908 |
|---|---|
| Residents born in another state | 15,214 |
| Share born in this state | 55.2% |
| Share born in another state | 44.8% |
| Native-born U.S. citizens | 40.2% |
| Foreign-born residents | 0.6% |
| Naturalized citizens | 4.0% |
| Total foreign-born residents | 1,797 |
| From Europe | 177 |
| From Asia | 34 |
| From Africa | 590 |
| From Latin America | 6 |
Households & Family Composition
14,819 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 64% are family households — near the U.S. share of ~65%. Of 9,375 families, 30% are married couples with children.
| Children under 18 | 9,400 |
|---|---|
| Total families | 9,375 |
| Married couples with children | 2,836 |
| Single-parent households | 431 |
| Average household size | 2.50 |
| Women who gave birth (past year) | 16.4% |
| Grandparents living with grandchildren | 414 |
| Grandparents responsible for grandchildren | 134 |
| Family households | 9,430 households (vs Oklahoma 16,590) |
| Households that are families | 63.6% (vs Oklahoma 61.1%) |
| Total households | 14,819 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. 14.0% 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) | 14.0% |
|---|---|
| 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 | 3,087 |
|---|---|
| Disability rate | 8.4% |
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. 1,041 residents live in group quarters (2.7% of population).
| Living in group quarters | 1,041 |
|---|
Other
| Congressional District · District | 1 |
|---|---|
| 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 | 10 |
| Family Score · Schools | 13 |
| Family Score · Childcare Centers | 15 |
| Family Score · Youth Sports Orgs | 2 |
| Family Score · Children Pct | 25.2% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 37,878, stable, family-oriented, middle-class, mixed |
| Town Summary · Population | 37,878 people (vs Oklahoma 63,420) |
| Town Summary · County | Osage County |
Sources: NCES school congressional district assignment · federal dataset cascade