Harper County: Demographics & People
Harper County is home to 3,203 people, in 1,333 households. Median age 40.9 years. (5.7y older than Oklahoma). Population is 24% Hispanic or Latino and 0% Black. County health: 40% adult obesity, 18% smoke.
- 2.4 people per household (vs Oklahoma avg 2.6).
- 78 dependents per 100 working-age (youth + seniors / 18-64) (vs Oklahoma 67).
Population & Trend
Current population 3,203; figures track the most recent Census ACS 5-year estimates.
| Population | 3,203 people (vs Oklahoma 63,420) |
|---|---|
| Total Town Population | 2,355 people |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Age Distribution
Median age 40.9y is 2.0 years older than the U.S. median (38.9y).
| Age Summary · Total Pop | 3,203 |
|---|---|
| Age Summary · Under 18 | 763 |
| Age Summary · 18 To 34 | 528.0× |
| Age Summary · 35 To 64 | 1,271.0× |
| Age Summary · 65 Plus | 641 |
| Age Summary · Pct Under 18 | 23.8% |
| Age Summary · Pct 18 To 34 | 16.5% |
| Age Summary · Pct 35 To 64 | 39.7% |
| Median age | 40.9 years (vs Oklahoma 35.2y) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 3,203 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| Census Demographics · Total Population | 3,203 people |
|---|---|
| White residents | 2,345 |
| Black residents | 2 |
| Asian residents | 2 |
| Census Demographics · Aian | 45 |
| Census Demographics · Other Race | 605 |
| Census Demographics · Two Or More Races | 204 |
| Hispanic or Latino residents | 784 |
| Diversity Index | 42.4% |
| Asian population | 0.1% (vs Oklahoma 3.2%) |
| Black population | 0.1% (vs Oklahoma 5.5%) |
| Hispanic or Latino population | 24.5% (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). 7.4% are foreign-born — below the U.S. average of 13.9%.
| Census Citizenship · Total | 3,203 |
|---|---|
| Census Citizenship · Native | 2,786 |
| Residents born in this state | 1,791 |
| Residents born in another state | 980 |
| Census Citizenship · Foreign Born | 238 |
| Census Citizenship · Naturalized | 89 |
| Census Citizenship · Non Citizen | 15 |
| Foreign-born residents | 7.4% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Households & Family Composition
1,333 households.
| Family households | 945 households (vs Oklahoma 16,590) |
|---|---|
| Total households | 1,333 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) | 2,802 |
|---|---|
| Migration · People moving out (annual) | 2,780 |
| Migration · Net migration (in − out) | 22 |
| Migration · Population growing | Yes |
| Migration · Year | 2022-2023 |
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 Pop | 3,147 |
|---|---|
| With Disability | 459 |
| Pct With Disability | 14.6% |
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 · Total | 56 |
|---|
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Other
| Census Mobility · Total | 3,167 |
|---|---|
| Census Mobility · Same House | 2,788 |
| Census Mobility · Same County | 247 |
| Census Mobility · Diff County Same State | 31 |
| Census Mobility · Diff State | 70 |
| Census Mobility · From Abroad | 31 |
| Census Mobility · Moved Total | 379 |
| Census Mobility · Pct Moved In Year | 12.0% |
| Pct White | 73.2% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29