Most population lost, US cities · 2020
US cities that lost the most residents from the 2010 census to 2020, by raw count of people rather than percentage. Louisville, Kentucky leads at -210,453. 6,642 cities qualify in total. Cities with fewer than 5,000 residents are excluded. California carries 5 of the top 25 entries.
Flip the list · Most population gained, US cities →UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which city has the lowest population change?
Louisville, Kentucky ranks #1 with -210,453 (2020 Decennial Census).
What are the top 5 cities by population change?
Louisville, Kentucky, Detroit, Michigan, Baltimore, Maryland, Paradise, Nevada, Cleveland, Ohio.
How many cities are in this ranking?
6,642 cities qualify after filtering for population minimums and data availability (minimum 5,000 residents). The ranking covers 2020 Decennial Census data.
How is population change measured?
Change in the number of residents from the prior decennial census (raw count, not a percentage). Source: US Census Bureau, 2020 Decennial Census.