Nichols Hills: Demographics & People
Census counts 3,843 people in Nichols Hills, in 1,555 households. Population grew 0.1% from 3,838 (2022) to 3,843 (2024). Median age 43.2 years. (8.0y older than Oklahoma County; 8.0y older than Oklahoma). Children under 18 are 30% of the population. Population is 85% White (non-Hispanic) and 4% Hispanic or Latino. 75% of households are family-led. County is losing 1,952 residents per year (2022-2023). County health: 39% adult obesity, 16% smoke.
- 2.5 people per household (vs Oklahoma avg 2.6).
- 25% non-family households (singles, roommates) (vs Oklahoma 39%).
- 100 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population grew 0.1% from 3,838 (2022) to 3,843 (2024) — close to the U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~3,847 (extrapolated at 0.1%/yr trend).
| Census data vintage | 2024 |
|---|---|
| Population | 796,292 people |
| Annual growth rate · Population change | 0.1% |
| Annual growth rate · Population (2022) | 3,838 |
| Annual growth rate · Population (2024) | 3,843 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | stable |
| Population | 3,843 people (vs Oklahoma 63,420) |
| Population Estimate | 3,854 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 43.2y is 4.3 years older than the U.S. median (38.9y). Children under 18 make up 30% — above the U.S. share of ~22%.
| Age Summary · Median age | 43.2 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 30.5% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 3,843 |
| Age Summary · Under 18 | 1,172 |
| Age Summary · 18 To 34 | 167.0× |
| Age Summary · 35 To 64 | 1,758.0× |
| Age Summary · 65 Plus | 746 |
| Population under 18 | 1,172 |
| Median age | 43.2 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 3,843 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 3,322 |
|---|---|
| Asian residents | 67 |
| Hispanic or Latino residents | 140 |
| Diversity Index · Simpson Index | 24.4% |
| Diversity Index · Interpretation | less diverse |
| Asian population | 2.3% (vs Oklahoma 3.2%) |
| Black population | 0.5% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 4.1% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 84.8% (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). 2.6% are foreign-born — below the U.S. average of 13.9%. 5% have naturalized to U.S. citizenship.
| Residents born in this state | 2,435 |
|---|---|
| Residents born in another state | 1,128 |
| Share born in this state | 63.4% |
| Share born in another state | 36.6% |
| Native-born U.S. citizens | 29.4% |
| Foreign-born residents | 2.6% |
| Naturalized citizens | 4.7% |
| Total foreign-born residents | 188 |
| From Europe | 18 |
| From Africa | 121 |
Households & Family Composition
1,555 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 75% are family households — above the U.S. share of ~65%. Of 1,194 families, 36% are married couples with children.
| Children under 18 | 1,123 |
|---|---|
| Total families | 1,194 |
| Married couples with children | 433 |
| Single-parent households | 25 |
| Average household size | 2.49 |
| Women who gave birth (past year) | 8.6% |
| Grandparents living with grandchildren | 14 |
| Family households | 1,169 households (vs Oklahoma 16,590) |
| Households that are families | 75.2% (vs Oklahoma 61.1%) |
| Total households | 1,555 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. 11.7% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 1,952 residents per year on net (IRS migration data).
| Moved within the county (past year) | 11.7% |
|---|---|
| Migration · People moving in (annual) | 688,101 |
| Migration · People moving out (annual) | 690,053 |
| Migration · Net migration (in − out) | -1,952 |
| 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 | 241 |
|---|---|
| Disability rate | 6.3% |
Other
| Congressional District · District | 5 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40109 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 109 |
| Cdc Birth Rate · County | Oklahoma |
| Cdc Birth Rate · Birth Rate | 29.7% |
| Cdc Birth Rate · Lower Ci | 28.50 |
| Cdc Birth Rate · Upper Ci | 30.90 |
| Cdc Mortality · Fips | 40109 |
| Cdc Mortality · County | Oklahoma County |
| Cdc Mortality · Urban Rural | Large central metro |
| Cdc Mortality · Total Deaths 2020 2023 | 41,356 |
| Cdc Vaccination · Fips | 40109 |
| Cdc Vaccination · County | Oklahoma County |
| Cdc Vaccination · Dose1 Pop Pct | 87.4% |
| Cdc Vaccination · Series Complete Pct | 69.7% |
| Cdc Vaccination · Booster Pct | 42.3% |
| Cdc Vaccination · Population 2019 | 797,434 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 1.50 |
| Family Score · Schools | 1 |
| Family Score · Children Pct | 30.5% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 3,843, stable, established, affluent, white collar |
| Town Summary · Population | 3,843 people (vs Oklahoma 63,420) |
| Town Summary · County | Oklahoma County |
Sources: NCES school congressional district assignment · federal dataset cascade