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Bison: Demographics & People

Bison's population stands at 48 people, in 31 households. Population shrank 11.1% from 54 (2022) to 48 (2024). Median age 79.5 years. (43.5y older than Garfield County; 44.3y older than Oklahoma). Population is 100% White (non-Hispanic). The community is relatively homogeneous (Simpson index 0.00). 42% of households are family-led. County is losing 449 residents per year (2022-2023). County health: 42% adult obesity, 18% smoke.

Population & Trend

Population shrank 11.1% from 54 (2022) to 48 (2024). Estimated 2026 population: ~42 (extrapolated at -5.6%/yr trend). Census Bureau Vintage estimate: 36.

Census data vintage2024
Population62,846 people
Annual growth rate · Population change-11.1%
Annual growth rate · Population (2022)54
Annual growth rate · Population (2024)48
Annual growth rate · Trend categoryshrinking
Population48 people (vs Oklahoma 63,420) population: 4 observations from 2026-04-17 to 2026-04-28
Population Estimate36

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

Age Distribution

Median age 79.5y is 40.6 years older than the U.S. median (38.9y).

Age Summary · Median age79.5 years (vs Oklahoma 35.2y)
Age Summary · Characterretirement community
Age Summary · Total Pop48
Age Summary · 35 To 6410.0×
Age Summary · 65 Plus38
Age Summary · Pct 35 To 6420.8%
Age Summary · Pct 65 Plus79.2%
Median age79.5 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 48 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.00 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.

White residents54
Diversity Index · Diversity labelrelatively homogeneous
White (non-Hispanic) population100.0% (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 (5)

(unnamed)
Irish
(unnamed)
American
(unnamed)
German
(unnamed)
English
(unnamed)
Polish

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS).

Residents born in this state48
Share born in this state100.0%
Total foreign-born residents4,392

Households & Family Composition

31 households. Averaging 1.4 people each — smaller than the U.S. average of 2.5. 42% are family households — below the U.S. share of ~65%. Of 13 families, 0% are married couples with children.

Total families13
Average household size1.38
Grandparents living with grandchildren1,065
Grandparents responsible for grandchildren298
Family households13 households (vs Oklahoma 16,590)
Households that are families41.9% (vs Oklahoma 61.1%)
Total households31 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. The surrounding county is losing 449 residents per year on net (IRS migration data).

Lived in same home a year ago48.0%
Migration · People moving in (annual)56,375
Migration · People moving out (annual)56,824
Migration · Net migration (in − out)-449
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 disability8
Disability rate11.3%

Other

Congressional District · District3
Congressional District · FormattedOK-03
Congressional District · Congress118th
Cdc Birth Rate · Fips40047
Cdc Birth Rate · State Fips40
Cdc Birth Rate · County Fips047
Cdc Birth Rate · CountyGarfield
Cdc Birth Rate · Birth Rate32.2%
Cdc Birth Rate · Lower Ci28.40
Cdc Birth Rate · Upper Ci36.30
Cdc Mortality · Fips40047
Cdc Mortality · CountyGarfield County
Cdc Mortality · Urban RuralMicropolitan
Cdc Mortality · Total Deaths 2020 20232,789
Cdc Vaccination · Fips40047
Cdc Vaccination · CountyGarfield County
Cdc Vaccination · Dose1 Pop Pct62.2%
Cdc Vaccination · Series Complete Pct52.7%
Cdc Vaccination · Booster Pct39.5%
Cdc Vaccination · Population 201961,056
Cdc Vaccination · Metro StatusNon-metro
Family Score · Score10
Family Score · Schools20
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 48, shrinking, retirement community, high crime, heritage: Irish/American
Town Summary · Population48 people (vs Oklahoma 63,420)
Town Summary · CountyGarfield County

Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade