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Grant County: Demographics & People

Grant County is home to 4,131 people, in 1,612 households. Median age 43.2 years. (8.0y older than Oklahoma). Population is 5% Hispanic or Latino and 2% Black. County health: 40% adult obesity, 19% smoke.

Population & Trend

Current population 4,131; figures track the most recent Census ACS 5-year estimates.

Population4,131 people (vs Oklahoma 63,420) population: 3 observations from 2026-04-17 to 2026-04-23
Total Town Population2,813 people

Sources: Census ACS 5-Year 2024 — county-level query  ·  Refreshed 2026-04-29

Age Distribution

Median age 43.2y is 4.3 years older than the U.S. median (38.9y).

Age Summary · Total Pop4,131
Age Summary · Under 18979
Age Summary · 18 To 34693.0×
Age Summary · 35 To 641,520.0×
Age Summary · 65 Plus939
Age Summary · Pct Under 1823.7%
Age Summary · Pct 18 To 3416.8%
Age Summary · Pct 35 To 6436.8%
Median age43.2 years (vs Oklahoma 35.2y)

Sources: Census ACS 5-Year 2024 — county-level query  ·  Refreshed 2026-04-29

Race, Ethnicity & Diversity

Of 4,131 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).

Census Demographics · Total Population4,131 people
White residents3,569
Black residents84
Asian residents6
Census Demographics · Aian95
Census Demographics · Other Race60
Census Demographics · Two Or More Races317
Hispanic or Latino residents194
Diversity Index24.6%
Asian population0.1% (vs Oklahoma 3.2%)
Black population2.0% (vs Oklahoma 5.5%)
Hispanic or Latino population4.7% (vs Oklahoma 12.3%)

Sources: Census ACS 5-Year 2024 — county-level query  ·  Refreshed 2026-04-29

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 8.5% are foreign-born — below the U.S. average of 13.9%.

Census Citizenship · Total4,131
Census Citizenship · Native4,119
Residents born in this state2,847
Residents born in another state1,260
Census Citizenship · Foreign Born352
Census Citizenship · Naturalized177
Census Citizenship · Non Citizen12
Foreign-born residents8.5%

Sources: Census ACS 5-Year 2024 — county-level query  ·  Refreshed 2026-04-29

Households & Family Composition

1,612 households.

Family households996 households (vs Oklahoma 16,590)
Total households1,612 households (vs Oklahoma 23,671)

Sources: Census ACS 5-Year 2024 — county-level query  ·  Refreshed 2026-04-29

Residential Stability & Migration

How long residents have lived here and where they came from.

Migration · People moving in (annual)3,540
Migration · People moving out (annual)3,565
Migration · Net migration (in − out)-25
Migration · Year2022-2023

Sources: IRS SOI Migration 2022-2023

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.

Census Disability · Total Pop4,061
With Disability885
Pct With Disability21.8%

Sources: Census ACS 5-Year 2024 — county-level query  ·  Refreshed 2026-04-29

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. 0 residents live in group quarters.

Census Group Quarters · Total70

Sources: Census ACS 5-Year 2024 — county-level query  ·  Refreshed 2026-04-29

Other

Census Mobility · Total4,104
Census Mobility · Same House3,702
Census Mobility · Same County74
Census Mobility · Diff County Same State149
Census Mobility · Diff State177
Census Mobility · From Abroad2
Census Mobility · Moved Total402
Census Mobility · Pct Moved In Year9.8%
Pct White86.4%

Sources: Census ACS 5-Year 2024 — county-level query  ·  Refreshed 2026-04-29