Highest Scotch-Irish population share, US states · 2020
US states ranked by the share of all residents who are Scotch-Irish ancestry (2020 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. North Carolina leads at 2.3%. 51 states qualify in total. The top 25 average 1.4%, against an all-states median of 0.9%.
Scotch-Irish Americans: full group profile →UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which state has the highest scotch-irish share?
North Carolina ranks #1 with 2.3% (2020 Decennial Census).
What are the top 5 states by scotch-irish share?
North Carolina, South Carolina, Tennessee, West Virginia, Maine.
How many states are in this ranking?
51 states qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.
How is scotch-irish share measured?
Share of all residents who are Scotch-Irish ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.