Hennessey: Demographics & People
Hennessey is home to 2,567 people, in 870 households. Population shrank 1.4% from 2,603 (2022) to 2,567 (2024). Median age 32.3 years. (5.9y younger than Kingfisher County; 2.9y younger than Oklahoma). Children under 18 are 30% of the population. Population is 52% White (non-Hispanic) and 45% Hispanic or Latino. 77% of households are family-led. County is gaining 453 residents per year (2022-2023). County health: 41% adult obesity, 17% smoke.
- 3.0 people per household (vs Oklahoma avg 2.6).
- 23% non-family households (singles, roommates) (vs Oklahoma 39%).
- 79 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 1.4% from 2,603 (2022) to 2,567 (2024). Estimated 2026 population: ~2,531 (extrapolated at -0.7%/yr trend). Census Bureau Vintage estimate: 2,485.
| Census data vintage | 2024 |
|---|---|
| Population | 15,184 people |
| Annual growth rate · Population change | -1.4% |
| Annual growth rate · Population (2022) | 2,603 |
| Annual growth rate · Population (2024) | 2,567 |
| Annual growth rate · Trend category | declining |
| Population | 2,567 people (vs Oklahoma 63,420) |
| Population Estimate | 2,485 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 32.3y is 6.6 years younger than the U.S. median (38.9y). Children under 18 make up 30% — above the U.S. share of ~22%.
| Age Summary · Median age | 32.3 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 30.4% |
| Age Summary · Character | young professional |
| Age Summary · Total Pop | 2,567 |
| Age Summary · Under 18 | 781 |
| Age Summary · 18 To 34 | 601.0× |
| Age Summary · 35 To 64 | 830.0× |
| Age Summary · 65 Plus | 355 |
| Population under 18 | 781 |
| Median age | 32.3 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 2,567 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 1,743 |
|---|---|
| Asian residents | 3 |
| Hispanic or Latino residents | 1,092 |
| Diversity Index · Simpson Index | 35.8% |
| Diversity Index · Interpretation | less diverse |
| Hispanic or Latino population | 45.0% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 52.4% (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 | 1,638 |
|---|---|
| Residents born in another state | 419 |
| Share born in this state | 63.8% |
| Share born in another state | 36.2% |
| Native-born U.S. citizens | 16.3% |
| Naturalized citizens | 19.8% |
| Total foreign-born residents | 351 |
| From Africa | 14 |
Households & Family Composition
870 households. Averaging 2.8 people each — larger than the U.S. average of 2.5. 77% are family households — above the U.S. share of ~65%. Of 696 families, 42% are married couples with children.
| Children under 18 | 706 |
|---|---|
| Total families | 696 |
| Married couples with children | 292 |
| Single-parent households | 39 |
| Average household size | 2.82 |
| Women who gave birth (past year) | 3.7% |
| Grandparents living with grandchildren | 50 |
| Grandparents responsible for grandchildren | 14 |
| Family households | 671 households (vs Oklahoma 16,590) |
| Households that are families | 77.1% (vs Oklahoma 61.1%) |
| Total households | 870 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. 8.1% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 453 residents per year on net (IRS migration data).
| Moved within the county (past year) | 8.1% |
|---|---|
| Migration · People moving in (annual) | 15,016 |
| Migration · People moving out (annual) | 14,563 |
| Migration · Net migration (in − out) | 453 |
| 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 | 160 |
|---|---|
| Disability rate | 6.1% |
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. 38 residents live in group quarters (1.5% of population).
| Living in group quarters | 38 |
|---|
Other
| Congressional District · District | 3 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40073 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 073 |
| Cdc Birth Rate · County | Kingfisher |
| Cdc Birth Rate · Birth Rate | 22.6% |
| Cdc Birth Rate · Lower Ci | 17.40 |
| Cdc Birth Rate · Upper Ci | 28.80 |
| Cdc Mortality · Fips | 40073 |
| Cdc Mortality · County | Kingfisher County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 459 |
| Cdc Vaccination · Fips | 40073 |
| Cdc Vaccination · County | Kingfisher County |
| Cdc Vaccination · Dose1 Pop Pct | 56.8% |
| Cdc Vaccination · Series Complete Pct | 49.5% |
| Cdc Vaccination · Booster Pct | 42.7% |
| Cdc Vaccination · Population 2019 | 15,765 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 2.50 |
| Family Score · Schools | 3 |
| Family Score · Children Pct | 30.4% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 2,567, declining, young professional, middle-class, blue collar |
| Town Summary · Population | 2,567 people (vs Oklahoma 63,420) |
| Town Summary · County | Kingfisher County |
Sources: NCES school congressional district assignment · federal dataset cascade