Highest Canadian population share, US counties · 2020
US counties ranked by the share of all residents who are Canadian ancestry (2020 American Community Survey). A concentration measure: Canadian residents as a percentage of total population. Clark County, Idaho leads at 6.7%. 2,263 counties qualify in total. Maine carries 5 of the top 25 entries.
Canadian Americans: full group profile →UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which county has the highest canadian share?
Clark County, Idaho ranks #1 with 6.7% (2020 Decennial Census).
What are the top 5 counties by canadian share?
Clark County, Idaho, Gaines County, Texas, Cochran County, Texas, Lake County, South Dakota, Yoakum County, Texas.
How many counties are in this ranking?
2,263 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.
How is canadian share measured?
Share of all residents who are Canadian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.