| Name | Ellis County |
| State | Oklahoma |
| FIPS Code | 40045 |
| County Seat | Arnett |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 3,637 |
| Population Growth Rate(2020-2024) | -3.19% |
| Majority Ethnicity | White 88% |
| Public School Majority Ethnicity | White 74% |
| Partisan Voting Index | Strongly Republican:+40 |
| Unemployment Rate (May 2026) | 3.1% |
| Sales Tax Rate (2025) | 6.5% |
| Area Code(s) | 580 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 88% |
| African American | 0.24% |
| Hispanic | 8.92% |
| Asian | 0.92% |
| Native American | 1.92% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 73.65% |
| African American | 0.54% |
| Hispanic | 16.76% |
| Asian | 0% |
| Native American | 3.11% |
| Hawaiin/Pacific Islander | 0% |