Highest Scotch-Irish population share, US counties
US counties ranked by the share of all residents who are Scotch-Irish ancestry (2023 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. Mitchell County, North Carolina leads at 8.6%. 3,090 counties qualify in total. North Carolina carries 10 of the top 25 entries.
UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which county has the highest scotch-irish share?
Mitchell County, North Carolina ranks #1 with 8.6% (2024 American Community Survey).
What are the top 5 counties by scotch-irish share?
Mitchell County, North Carolina, Avery County, North Carolina, Union County, Georgia, Madison County, North Carolina, Haywood County, North Carolina.
How many counties are in this ranking?
3,090 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.
How is scotch-irish share measured?
Share of all residents who are Scotch-Irish ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2024).