Loomis
- County:
- Placer County
- County Seat:
- No
- Area (mi²):
- 7.266
- State:
- California
Loomis is a town located in Placer County, California. Loomis has a 2026 population of 6,939. Loomis is currently growing at a rate of 1.57% annually and its population has increased by 1.66% since the most recent census, which recorded a population of 6,826 in 2020.