Highest Irish population share, US cities
US cities 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. Scituate, Massachusetts leads at 48.3%. 6,800 cities qualify in total. Cities with fewer than 5,000 residents are excluded. Massachusetts carries 12 of the top 25 entries.
UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which city has the highest irish share?
Scituate, Massachusetts ranks #1 with 48.3% (2024 American Community Survey).
What are the top 5 cities by irish share?
Scituate, Massachusetts, Folsom, Pennsylvania, Kingston, Massachusetts, North Scituate, Massachusetts, Walpole, Massachusetts.
How many cities are in this ranking?
6,800 cities qualify after filtering for population minimums and data availability (minimum 5,000 residents). 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).