Largest Croatian population, US counties · 2020
US counties ranked by the number of residents who are Croatian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Cook County, Illinois leads at 16,544. 1,679 counties qualify in total. California carries 5 of the top 25 entries.
Croatian Americans: full group profile →UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which county has the highest croatian population?
Cook County, Illinois ranks #1 with 16,544 (2020 Decennial Census).
What are the top 5 counties by croatian population?
Cook County, Illinois, Allegheny County, Pennsylvania, Los Angeles County, California, Cuyahoga County, Ohio, Lake County, Ohio.
How many counties are in this ranking?
1,679 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.
How is croatian population measured?
Number of residents who are Croatian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.