Cornish: Demographics & People
98 people call Cornish home, in 46 households. Population shrank 17.6% from 119 (2022) to 98 (2024). Median age 56.2 years. (14.4y older than Jefferson County; 21.0y older than Oklahoma). Children under 18 are 19% of the population. Population is 81% White (non-Hispanic) and 1% Hispanic or Latino. 41% of households are family-led. County is losing 223 residents per year (2022-2023). County health: 45% adult obesity, 21% smoke.
- 2.1 people per household (vs Oklahoma avg 2.6).
- 59% non-family households (singles, roommates) (vs Oklahoma 39%).
- 81 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 17.6% from 119 (2022) to 98 (2024). Estimated 2026 population: ~81 (extrapolated at -8.8%/yr trend). Census Bureau Vintage estimate: 62.
| Census data vintage | 2024 |
|---|---|
| Population | 5,337 people |
| Annual growth rate · Population change | -17.6% |
| Annual growth rate · Population (2022) | 119 |
| Annual growth rate · Population (2024) | 98 |
| Annual growth rate · Trend category | shrinking |
| Population | 98 people (vs Oklahoma 63,420) |
| Population Estimate | 62 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 56.2y is 17.3 years older than the U.S. median (38.9y). Children under 18 make up 19% — below the U.S. share of ~22%.
| Age Summary · Median age | 56.2 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 19.4% |
| Age Summary · Character | retirement community |
| Age Summary · Total Pop | 98 |
| Age Summary · Under 18 | 19 |
| Age Summary · 18 To 34 | 11.0× |
| Age Summary · 35 To 64 | 43.0× |
| Age Summary · 65 Plus | 25 |
| Population under 18 | 19 |
| Median age | 56.2 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 98 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 93 |
|---|---|
| Hispanic or Latino residents | 1 |
| Diversity Index · Simpson Index | 9.8% |
| Diversity Index · Interpretation | less diverse |
| Hispanic or Latino population | 1.0% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 80.6% (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 (7)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 1.0% are foreign-born — below the U.S. average of 13.9%. 4% have naturalized to U.S. citizenship.
| Residents born in this state | 64 |
|---|---|
| Residents born in another state | 29 |
| Share born in this state | 65.3% |
| Share born in another state | 34.7% |
| Native-born U.S. citizens | 29.6% |
| Foreign-born residents | 1.0% |
| Naturalized citizens | 4.1% |
| Total foreign-born residents | 5 |
| From Africa | 4 |
Households & Family Composition
46 households. Averaging 2.2 people each — smaller than the U.S. average of 2.5. 41% are family households — below the U.S. share of ~65%. Of 25 families, 24% are married couples with children.
| Children under 18 | 25 |
|---|---|
| Total families | 25 |
| Married couples with children | 6 |
| Average household size | 2.25 |
| Women who gave birth (past year) | 16.7% |
| Grandparents living with grandchildren | 3 |
| Grandparents responsible for grandchildren | 3 |
| Family households | 19 households (vs Oklahoma 16,590) |
| Households that are families | 41.3% (vs Oklahoma 61.1%) |
| Total households | 46 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. The surrounding county is losing 223 residents per year on net (IRS migration data).
| Lived in same home a year ago | 96.0% |
|---|---|
| Migration · People moving in (annual) | 4,643 |
| Migration · People moving out (annual) | 4,866 |
| Migration · Net migration (in − out) | -223 |
| 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 | 21 |
|---|---|
| Disability rate | 15.9% |
Other
| Congressional District · District | 4 |
|---|---|
| Congressional District · Formatted | OK-04 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40067 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 067 |
| Cdc Birth Rate · County | Jefferson |
| Cdc Birth Rate · Birth Rate | 34.3% |
| Cdc Birth Rate · Lower Ci | 24.30 |
| Cdc Birth Rate · Upper Ci | 47.00 |
| Cdc Mortality · Fips | 40067 |
| Cdc Mortality · County | Jefferson County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 193 |
| Cdc Vaccination · Fips | 40067 |
| Cdc Vaccination · County | Jefferson County |
| Cdc Vaccination · Dose1 Pop Pct | 51.4% |
| Cdc Vaccination · Series Complete Pct | 43.2% |
| Cdc Vaccination · Booster Pct | 43.0% |
| Cdc Vaccination · Population 2019 | 6,002 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 5.50 |
| Family Score · Schools | 9 |
| Family Score · Children Pct | 19.4% |
| Family Score · Rating | good |
| Town Summary · Key Facts | population 98, shrinking, retirement community, working-class, blue collar |
| Town Summary · Population | 98 people (vs Oklahoma 63,420) |
| Town Summary · County | Jefferson County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade