| Name | Custer County |
| State | Oklahoma |
| FIPS Code | 40039 |
| County Seat | Arapaho |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 28,332 |
| Population Growth Rate(2020-2024) | -0.66% |
| Majority Ethnicity | White 71.33% |
| Public School Majority Ethnicity | White 50% |
| Partisan Voting Index | Strongly Republican:+27 |
| Unemployment Rate (May 2026) | 3.2% |
| Sales Tax Rate (2025) | 5% |
| Area Code(s) | 580 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 71.33% |
| African American | 2.93% |
| Hispanic | 19.62% |
| Asian | 0.95% |
| Native American | 5.07% |
| Hawaiin/Pacific Islander | 0.1% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 49.68% |
| African American | 1.55% |
| Hispanic | 32.08% |
| Asian | 0.83% |
| Native American | 6.88% |
| Hawaiin/Pacific Islander | 0.02% |