RANKING · 2020 CENSUS · 500 SHOWN OF 642
Most population lost, California cities · 2020
California cities that lost the most residents from the 2010 census to 2020, by raw count of people rather than percentage. This list covers the 642 cities in California that qualify, ranked against each other statewide.
Flip the list · Most population gained, US cities →Most population lost by state
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RANKPLACESTATEPOPPOPULATION CHANGEVS 2000
UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS