Highest uninsured rate, US metro areas
US metro areas ranked by the share of residents without health insurance (2024 ACS). Rio Grande City-Roma, TX leads at 28.9%. 925 metro areas qualify in total. Texas carries 17 of the top 25 entries. The median across all 925 is 7.8%. Biggest climber in the top 100 since 2020: Shelbyville, TN, up 153 places to #81.
UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which metro area has the highest uninsured?
Rio Grande City-Roma, TX ranks #1 with 28.9% (2024 American Community Survey).
What are the top 5 metro areas by uninsured?
Rio Grande City-Roma, TX, McAllen-Edinburg-Mission, TX, Zapata, TX, Laredo, TX, Brownsville-Harlingen, TX.
How many metro areas are in this ranking?
925 metro areas qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.
How is uninsured measured?
Share of residents without health insurance. Source: US Census Bureau, American Community Survey 5-year estimates (2024).