Livermore
- County:
- Alameda County
- County Seat:
- No
- Area (mi²):
- 26.57
- State:
- California
Livermore is a city located in Alameda County, California. Livermore has a 2026 population of 84,867. Livermore is currently growing at a rate of 0.76% annually but its population has decreased by -3.42% since the most recent census, which recorded a population of 87,875 in 2020.