
Rosemont
- County:
- Sacramento County
- County Seat:
- No
- Area (mi²):
- 4.387
- State:
- California
Rosemont is a CDP located in Sacramento County, California. Rosemont has a 2025 population of 24,136. Rosemont is currently growing at a rate of 0.4% annually and its population has increased by 1.6% since the most recent census, which recorded a population of 23,755 in 2020.
The average household income in Rosemont is $98,306 with a poverty rate of 15.48%. The median age in Rosemont is 35.7 years: 34.3 years for males, and 37.4 years for females.