Skip to main content

Geronimo: Demographics & People

1,155 people call Geronimo home, in 464 households. Population shrank 0.5% from 1,161 (2022) to 1,155 (2024). Median age 31.6 years. (2.5y younger than Comanche County; 3.6y younger than Oklahoma). Children under 18 are 24% of the population. Population is 75% White (non-Hispanic) and 9% Hispanic or Latino. 68% of households are family-led. County is losing 1,872 residents per year (2022-2023). County health: 44% adult obesity, 18% smoke.

Population & Trend

Population shrank 0.5% from 1,161 (2022) to 1,155 (2024). Estimated 2026 population: ~1,149 (extrapolated at -0.3%/yr trend). Census Bureau Vintage estimate: 1,140.

Census data vintage2024
Population121,125 people
Annual growth rate · Population change-0.5%
Annual growth rate · Population (2022)1,161
Annual growth rate · Population (2024)1,155
Annual growth rate · Trend categorystable
Population1,155 people (vs Oklahoma 63,420) population: 4 observations from 2026-04-17 to 2026-04-28
Population Estimate1,140

Sources: Census ACS 5-Year 2023, Table B01003  ·  Refreshed 2026-04-12

Age Distribution

Median age 31.6y is 7.3 years younger than the U.S. median (38.9y). Children under 18 make up 24% — above the U.S. share of ~22%.

Age Summary · Median age31.6 years (vs Oklahoma 35.2y)
Age Summary · Children Pct23.9%
Age Summary · Characteryoung professional
Age Summary · Total Pop1,155
Age Summary · Under 18276
Age Summary · 18 To 34360.0×
Age Summary · 35 To 64405.0×
Age Summary · 65 Plus114
Population under 18276
Median age31.6 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 1,155 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).

White residents845
Black residents56
Asian residents11
Hispanic or Latino residents123
Diversity Index · Simpson Index44.0%
Diversity Index · Interpretationmoderately diverse
Asian population0.9% (vs Oklahoma 3.2%)
Black population1.8% (vs Oklahoma 5.5%)
Hispanic or Latino population8.8% (vs Oklahoma 12.3%)
White (non-Hispanic) population74.6% (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 (8)

(unnamed)
German
(unnamed)
Irish
(unnamed)
Hispanic Total
(unnamed)
English
(unnamed)
Puerto Rican
(unnamed)
American
(unnamed)
Black
(unnamed)
Italian

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 3.0% are foreign-born — below the U.S. average of 13.9%. 2% have naturalized to U.S. citizenship.

Residents born in this state716
Residents born in another state385
Share born in this state62.0%
Share born in another state38.0%
Native-born U.S. citizens33.3%
Foreign-born residents3.0%
Naturalized citizens1.6%
Total foreign-born residents30
From Europe14
From Africa11

Households & Family Composition

464 households. Averaging 2.4 people each — matches the U.S. average of 2.5. 68% are family households — above the U.S. share of ~65%. Of 312 families, 39% are married couples with children.

Children under 18248
Total families312
Married couples with children121
Single-parent households9
Average household size2.44
Women who gave birth (past year)16.1%
Grandparents living with grandchildren24
Grandparents responsible for grandchildren8
Family households317 households (vs Oklahoma 16,590)
Households that are families68.3% (vs Oklahoma 61.1%)
Total households464 households (vs Oklahoma 23,671) total_households: 2 observations from 2026-04-23 to 2026-04-23

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Residential Stability & Migration

How long residents have lived here and where they came from. 23.9% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 1,872 residents per year on net (IRS migration data).

Moved within the county (past year)23.9%
Migration · People moving in (annual)107,520
Migration · People moving out (annual)109,392
Migration · Net migration (in − out)-1,872
Migration · Year2022-2023

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 disability123
Disability rate10.9%

Other

Congressional District · District4
Congressional District · Congress118th
Cdc Birth Rate · Fips40031
Cdc Birth Rate · State Fips40
Cdc Birth Rate · County Fips031
Cdc Birth Rate · CountyComanche
Cdc Birth Rate · Birth Rate33.9%
Cdc Birth Rate · Lower Ci31.00
Cdc Birth Rate · Upper Ci36.90
Cdc Mortality · Fips40031
Cdc Mortality · CountyComanche County
Cdc Mortality · Urban RuralSmall metro
Cdc Mortality · Total Deaths 2020 20234,312
Cdc Vaccination · Fips40031
Cdc Vaccination · CountyComanche County
Cdc Vaccination · Dose1 Pop Pct79.6%
Cdc Vaccination · Series Complete Pct67.1%
Cdc Vaccination · Booster Pct35.7%
Cdc Vaccination · Population 2019120,749
Cdc Vaccination · Metro StatusMetro
Family Score · Score2.80
Family Score · Schools3
Family Score · Childcare Centers1
Family Score · Children Pct23.9%
Family Score · Ratinglimited
Town Summary · Key Factspopulation 1,155, stable, young professional, middle-class, mixed
Town Summary · Population1,155 people (vs Oklahoma 63,420)
Town Summary · CountyComanche County

Sources: NCES school congressional district assignment · federal dataset cascade