
Lafayette
- County:
- Boulder County
- County Seat:
- No
- Area (mi²):
- 9.231
- State:
- Colorado
Lafayette is a city located in Boulder County, Colorado. Lafayette has a 2025 population of 30,443. Lafayette is currently growing at a rate of 0.01% annually and its population has increased by 0.03% since the most recent census, which recorded a population of 30,433 in 2020.
The average household income in Lafayette is $146,590 with a poverty rate of 6.07%. The median age in Lafayette is 39.4 years: 39 years for males, and 39.9 years for females.