Highest Mexican population share, US metro areas · 2010
US metro areas ranked by the share of all residents who are Mexican origin (2010 American Community Survey). A concentration measure: Mexican residents as a percentage of total population. Rio Grande City-Roma, TX leads at 95.9%. 918 metro areas qualify in total. Texas carries 15 of the top 25 entries.
Mexican Americans: full group profile →UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which metro area has the highest mexican share?
Rio Grande City-Roma, TX ranks #1 with 95.9% (2010 Decennial Census).
What are the top 5 metro areas by mexican share?
Rio Grande City-Roma, TX, Eagle Pass, TX, Zapata, TX, Laredo, TX, McAllen-Edinburg-Mission, TX.
How many metro areas are in this ranking?
918 metro areas qualify after filtering for population minimums and data availability. The ranking covers 2010 Decennial Census data.
How is mexican share measured?
Share of all residents who are Mexican origin (Hispanic origin, ACS detailed tables). Source: US Census Bureau, 2010 Decennial Census.