Boise City: Demographics & People
Census counts 1,125 people in Boise City, in 339 households. Population shrank 7.6% from 1,218 (2022) to 1,125 (2024). Median age 36.2 years. (10.4y younger than Cimarron County; 1.0y older than Oklahoma). Children under 18 are 25% of the population. Population is 50% White (non-Hispanic) and 42% Hispanic or Latino. 61% of households are family-led. County is losing 279 residents per year (2022-2023). County health: 40% adult obesity, 15% smoke.
- 3.3 people per household (vs Oklahoma avg 2.6).
- 39% non-family households (singles, roommates) (vs Oklahoma 39%).
- 78 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Population shrank 7.6% from 1,218 (2022) to 1,125 (2024). Estimated 2026 population: ~1,040 (extrapolated at -3.8%/yr trend). Census Bureau Vintage estimate: 934.
| Census data vintage | 2024 |
|---|---|
| Population | 2,296 people |
| Annual growth rate · Population change | -7.6% |
| Annual growth rate · Population (2022) | 1,218 |
| Annual growth rate · Population (2024) | 1,125 |
| Annual growth rate · Trend category | shrinking |
| Population | 1,125 people (vs Oklahoma 63,420) |
| Population Estimate | 934 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 36.2y is 2.7 years younger than the U.S. median (38.9y). Children under 18 make up 25% — above the U.S. share of ~22%.
| Age Summary · Median age | 36.2 years (vs Oklahoma 35.2y) |
|---|---|
| Age Summary · Children Pct | 24.9% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 1,125 |
| Age Summary · Under 18 | 280 |
| Age Summary · 18 To 34 | 212.0× |
| Age Summary · 35 To 64 | 421.0× |
| Age Summary · 65 Plus | 212 |
| Population under 18 | 280 |
| Median age | 36.2 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 1,125 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| White residents | 880 |
|---|---|
| Black residents | 2 |
| Hispanic or Latino residents | 489 |
| Diversity Index · Simpson Index | 19.9% |
| Diversity Index · Interpretation | less diverse |
| Black population | 0.1% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 42.5% (vs Oklahoma 12.3%) |
| White (non-Hispanic) population | 49.6% (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)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 362 |
|---|---|
| Residents born in another state | 645 |
| Share born in this state | 32.2% |
| Share born in another state | 67.8% |
| Native-born U.S. citizens | 57.3% |
| Naturalized citizens | 10.5% |
| Total foreign-born residents | 25 |
| From Europe | 1 |
Households & Family Composition
339 households. Averaging 3.4 people each — larger than the U.S. average of 2.5. 61% are family households — below the U.S. share of ~65%. Of 234 families, 39% are married couples with children.
| Children under 18 | 357 |
|---|---|
| Total families | 234 |
| Married couples with children | 91 |
| Average household size | 3.37 |
| Women who gave birth (past year) | 4.6% |
| Grandparents living with grandchildren | 95 |
| Family households | 208 households (vs Oklahoma 16,590) |
| Households that are families | 61.4% (at Oklahoma median) |
| Total households | 339 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. 0.7% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 279 residents per year on net (IRS migration data).
| Moved within the county (past year) | 0.7% |
|---|---|
| Migration · People moving in (annual) | 1,818 |
| Migration · People moving out (annual) | 2,097 |
| Migration · Net migration (in − out) | -279 |
| 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 | 86 |
|---|---|
| Disability rate | 7.7% |
Group Quarters
Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 14 residents live in group quarters (1.2% of population).
| Living in group quarters | 14 |
|---|
Other
| Congressional District · District | 3 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 40025 |
| Cdc Birth Rate · State Fips | 40 |
| Cdc Birth Rate · County Fips | 025 |
| Cdc Birth Rate · County | Cimarron |
| Cdc Birth Rate · Birth Rate | 35.9% |
| Cdc Birth Rate · Lower Ci | 20.90 |
| Cdc Birth Rate · Upper Ci | 57.30 |
| Cdc Mortality · Fips | 40025 |
| Cdc Mortality · County | Cimarron County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 60 |
| Cdc Vaccination · Fips | 40025 |
| Cdc Vaccination · County | Cimarron County |
| Cdc Vaccination · Dose1 Pop Pct | 42.9% |
| Cdc Vaccination · Series Complete Pct | 35.1% |
| Cdc Vaccination · Booster Pct | 32.7% |
| Cdc Vaccination · Population 2019 | 2,137 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 2.80 |
| Family Score · Schools | 3 |
| Family Score · Childcare Centers | 1 |
| Family Score · Children Pct | 24.9% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 1,125, shrinking, family-oriented, working-class, mixed |
| Town Summary · Population | 1,125 people (vs Oklahoma 63,420) |
| Town Summary · County | Cimarron County |
Sources: NCES school congressional district assignment · federal dataset cascade