Cromwell: Demographics & People
Cromwell is home to 238 people, in 112 households. Population shrank 11.2% from 268 (2022) to 238 (2024). Median age 44.4 years. (5.2y older than Seminole County; 9.2y older than Oklahoma). Children under 18 are 21% of the population. Population is 63% White (non-Hispanic) and 5% Hispanic or Latino. 37% of households are family-led. County is gaining 108 residents per year (2022-2023). County health: 43% adult obesity, 23% smoke.
- 2.1 people per household (vs Oklahoma avg 2.6).
- 63% non-family households (singles, roommates) (vs Oklahoma 39%).
- 118 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 11.2% from 268 (2022) to 238 (2024). Estimated 2026 population: ~212 (extrapolated at -5.6%/yr trend). Census Bureau Vintage estimate: 180.
| Census data vintage | 2024 |
|---|---|
| Population | 23,556 people |
| Annual growth rate · Population change | -11.2% |
| Annual growth rate · Population (2022) | 268 |
| Annual growth rate · Population (2024) | 238 |
| Annual growth rate · Trend category | shrinking |
| Population | 238 people (vs Oklahoma 63,420) |
| Population Estimate | 180 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 44.4y is 5.5 years older than the U.S. median (38.9y). Children under 18 make up 21% — near the U.S. share of ~22%.
| Age Summary · Median age | 44.4 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 21.4% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 238 |
| Age Summary · Under 18 | 51 |
| Age Summary · 18 To 34 | 45.0× |
| Age Summary · 35 To 64 | 64.0× |
| Age Summary · 65 Plus | 78 |
| Population under 18 | 51 |
| Median age | 44.4 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 238 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 190 |
|---|---|
| Hispanic or Latino residents | 3 |
| Diversity Index · Simpson Index | 32.7% |
| Diversity Index · Interpretation | less diverse |
| Hispanic or Latino population | 5.0% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 62.6% (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). 1.7% are foreign-born — below the U.S. average of 13.9%. 0% have naturalized to U.S. citizenship.
| Residents born in this state | 203 |
|---|---|
| Residents born in another state | 30 |
| Share born in this state | 85.3% |
| Share born in another state | 14.7% |
| Native-born U.S. citizens | 12.6% |
| Foreign-born residents | 1.7% |
| Naturalized citizens | 0.4% |
| Total foreign-born residents | 519 |
Households & Family Composition
112 households. Averaging 2.2 people each — smaller than the U.S. average of 2.5. 37% are family households — below the U.S. share of ~65%. Of 54 families, 33% are married couples with children.
| Children under 18 | 55 |
|---|---|
| Total families | 54 |
| Married couples with children | 18 |
| Single-parent households | 2 |
| Average household size | 2.23 |
| Women who gave birth (past year) | 12.8% |
| Grandparents living with grandchildren | 20 |
| Grandparents responsible for grandchildren | 9 |
| Family households | 41 households (vs Oklahoma 16,590) |
| Households that are families | 36.6% (vs Oklahoma 61.1%) |
| Total households | 112 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 gaining 108 residents per year on net (IRS migration data).
| Migration · People moving in (annual) | 19,885 |
|---|---|
| Migration · People moving out (annual) | 19,777 |
| Migration · Net migration (in − out) | 108 |
| 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 | 15 |
|---|---|
| Disability rate | 6.1% |
Other
| Congressional District · District | 5 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40133 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 133 |
| Cdc Birth Rate · County | Seminole |
| Cdc Birth Rate · Birth Rate | 36.3% |
| Cdc Birth Rate · Lower Ci | 30.80 |
| Cdc Birth Rate · Upper Ci | 42.50 |
| Cdc Mortality · Fips | 40133 |
| Cdc Mortality · County | Seminole County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 886 |
| Cdc Vaccination · Fips | 40133 |
| Cdc Vaccination · County | Seminole County |
| Cdc Vaccination · Dose1 Pop Pct | 65.7% |
| Cdc Vaccination · Series Complete Pct | 55.1% |
| Cdc Vaccination · Booster Pct | 42.3% |
| Cdc Vaccination · Population 2019 | 24,258 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 2.00 |
| Family Score · Schools | 2 |
| Family Score · Children Pct | 21.4% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 238, shrinking, established, middle-class, mixed |
| Town Summary · Population | 238 people (vs Oklahoma 63,420) |
| Town Summary · County | Seminole County |
Sources: NCES school congressional district assignment · federal dataset cascade