Largest Czech population, New York counties

New York counties ranked by the number of residents who are Czech ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 62 counties in New York that qualify, ranked against each other statewide. The median across all 62 is 230. Biggest climber in the top 100 since 2020: Columbia County, NY, up 18 places to #24.