Highest Polish population share, US counties · 2020
US counties ranked by the share of all residents who are Polish ancestry (2020 American Community Survey). A concentration measure: Polish residents as a percentage of total population. Portage County, Wisconsin leads at 29.9%. 3,021 counties qualify in total. Michigan carries 9 of the top 25 entries.
Polish Americans: full group profile →UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which county has the highest polish share?
Portage County, Wisconsin ranks #1 with 29.9% (2020 Decennial Census).
What are the top 5 counties by polish share?
Portage County, Wisconsin, Sherman County, Nebraska, Presque Isle County, Michigan, Alpena County, Michigan, Morrison County, Minnesota.
How many counties are in this ranking?
3,021 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.
How is polish share measured?
Share of all residents who are Polish ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.