Highest Irish population share, US metro areas
US metro areas ranked by the share of all residents who are Irish ancestry (2023 American Community Survey). A concentration measure: Irish residents as a percentage of total population. Barnstable, MA leads at 25.2%. 925 metro areas qualify in total. Massachusetts carries 6 of the top 25 entries.
UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which metro area has the highest irish share?
Barnstable, MA ranks #1 with 25.2% (2024 American Community Survey).
What are the top 5 metro areas by irish share?
Barnstable, MA, Butte-Silver Bow, MT, Laconia, NH, Auburn, NY, Glens Falls, NY.
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 irish share measured?
Share of all residents who are Irish ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2024).