Highest Canadian population share, US counties
US counties ranked by the share of all residents who are Canadian ancestry (2023 American Community Survey). A concentration measure: Canadian residents as a percentage of total population. Clark County, Idaho leads at 9.2%. 2,174 counties qualify in total. Vermont carries 6 of the top 25 entries.
UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which county has the highest canadian share?
Clark County, Idaho ranks #1 with 9.2% (2024 American Community Survey).
What are the top 5 counties by canadian share?
Clark County, Idaho, Gaines County, Texas, Washington County, Nebraska, Golden Valley County, Montana, Wheatland County, Montana.
How many counties are in this ranking?
2,174 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.
How is canadian share measured?
Share of all residents who are Canadian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2024).