Sunnyvale Flag

Sunnyvale

County Seat:
No
Area (mi²):
22.06
State:
California

Sunnyvale is a city located in Santa Clara County, California. Sunnyvale has a 2026 population of 156,792. Sunnyvale is currently growing at a rate of 1.78% annually and its population has increased by 0.99% since the most recent census, which recorded a population of 155,261 in 2020.

156.8K
Total Population
7,107
Density (mi²)
2.7K 1.78%
Growth