Santa Barbara County Flag

Santa Barbara County

State:
California
County Seat:
Santa Barbara

Santa Barbara County's 2026 population is estimated at 446,458, reflecting a 0.22% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Santa Barbara County is the 21st largest county in California. The 2010 population was 424,218 and has grown 5.24% since 2010.

446,458
Total Population
163
Population Density (mi²)
21
Population Rank (State)
979 0.22%
Annual Population Growth

Santa Barbara County Population

Demographics

Economics and Income Statistics