Arvada
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 38.974
- State:
- Colorado
Arvada is a city located in Jefferson County, Colorado. Arvada has a 2026 population of 121,873. Arvada is currently growing at a rate of 0.14% annually but its population has decreased by -2% since the most recent census, which recorded a population of 124,363 in 2020.