Which county has the highest polish population?

Cook County, Illinois ranks #1 with 399,234 (2020 Decennial Census).

What are the top 5 counties by polish population?

Cook County, Illinois, Erie County, New York, Macomb County, Michigan, Wayne County, Michigan, Oakland County, Michigan.

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 population measured?

Number of residents who are Polish ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.

RANKING · 2020 CENSUS · 21 SHOWN OF 3,021

Largest Polish population, US counties · 2020

US counties ranked by the number of residents who are Polish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV.

Polish Americans: full group profile →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPPOLISH POPULATIONVS 2010

3001Claiborne County, MSMS8,0583–

3002Reagan County, TXTX3,1663–

3003Winkler County, TXTX7,5403−63%

3004Oneida County, IDID5,0853–

3005Marion County, MSMS24,0013−91%

3006Perkins County, SDSD2,8533−93%

3007Todd County, SDSD8,8633–

3008Alpine County, CACA1,0432−91%

3009Appling County, GAGA19,1002−89%

3010Armstrong County, TXTX1,8432−97%

3011Hughes County, OKOK13,4552−88%

3012Chickasaw County, MSMS16,7302–

3013Chautauqua County, KSKS3,3212−93%

3014Greeley County, KSKS1,1822−50%

3015Divide County, NDND2,1102−88%

3016Grant County, NENE5611−86%

3017Wheeler County, GAGA7,5701−94%

3018Kenedy County, TXTX3191–

3019Cimarron County, OKOK2,0591−90%

3020Wallace County, KSKS1,4411−83%

3021Ziebach County, SDSD2,3891−90%

SHOWING 3,001–3,021 OF 3,021

1 2 3 4 5 6 7

Download CSV (full list, 3,021 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS