| Name | Arapahoe County |
| State | Colorado |
| FIPS Code | 08005 |
| County Seat | Littleton |
| Timezone | Mountain Standard Time (MST) |
| Population (2022) | 574,357 |
| Population Growth Rate(2000-2022) | 14.52% |
| Majority Ethnicity | White 77.76% |
| Public School Majority Ethnicity | White 40% |
| Partisan Voting Index | Democratic:+10 |
| Unemployment Rate (January 2025) | 4.3% |
| Area Code(s) | 303 / 720 / 983 / 970 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 77.76% |
| African American | 13.22% |
| Hispanic | 1.02% |
| Asian | 7.4% |
| Native American | 0.3% |
| Hawaiin/Pacific Islander | 0.3% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 40.17% |
| African American | 12.49% |
| Hispanic | 32.89% |
| Asian | 6.28% |
| Native American | 0.52% |
| Hawaiin/Pacific Islander | 0.45% |