
Santa Clara County
- State:
- California
- County Seat:
- San Jose
Santa Clara County's estimated 2025 population is 1,876,106 with a growth rate of -0.04% in the past year according to the most recent United States census data. Santa Clara County is the 6th largest county in California. The 2010 population was 1,786,001 and has seen a growth of 5.05% since that time.