Most uninsured people, US cities
US cities with the most residents lacking health insurance, as of the 2024 American Community Survey. Ranked by number of people, not the uninsured rate. Houston, Texas leads at 546,782. 6,826 cities qualify in total. Cities with fewer than 5,000 residents are excluded. Texas carries 8 of the top 25 entries.
UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which city has the highest uninsured residents?
Houston, Texas ranks #1 with 546,782 (2024 American Community Survey).
What are the top 5 cities by uninsured residents?
Houston, Texas, New York, New York, Los Angeles, California, Dallas, Texas, Chicago, Illinois.
How many cities are in this ranking?
6,826 cities qualify after filtering for population minimums and data availability (minimum 5,000 residents). The ranking covers 2024 ACS 5-year data.
How is uninsured residents measured?
Number of civilian noninstitutionalized residents without health insurance (ACS S2701). The raw-count companion to the uninsured rate. Source: US Census Bureau, American Community Survey 5-year estimates (2024).