
Jamestown
- County:
- Boulder County
- County Seat:
- No
- Area (mi²):
- 0.574
- State:
- Colorado
Jamestown is a town located in Boulder County, Colorado. Jamestown has a 2025 population of 238. Jamestown is currently declining at a rate of -1.24% annually and its population has decreased by -6.67% since the most recent census, which recorded a population of 255 in 2020.
The average household income in Jamestown is $171,491 with a poverty rate of 6.67%. The median age in Jamestown is 48.3 years: 48.9 years for males, and 45 years for females.