Aurora
- County:
- Adams County
- County Seat:
- No
- Area (mi²):
- 164.122
- State:
- Colorado
Aurora is a city located in Adams County, Colorado. Aurora has a 2026 population of 403,130. Aurora is currently growing at a rate of 1.4% annually and its population has increased by 4.22% since the most recent census, which recorded a population of 386,804 in 2020.