Largest Lithuanian population, US counties · 2020
US counties ranked by the number of residents who are Lithuanian 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 33,822. 1,890 counties qualify in total. Pennsylvania carries 5 of the top 25 entries.
Lithuanian Americans: full group profile →UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS
Frequently asked
Which county has the highest lithuanian population?
Cook County, Illinois ranks #1 with 33,822 (2020 Decennial Census).
What are the top 5 counties by lithuanian population?
Cook County, Illinois, Los Angeles County, California, DuPage County, Illinois, Middlesex County, Massachusetts, Will County, Illinois.
How many counties are in this ranking?
1,890 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.
How is lithuanian population measured?
Number of residents who are Lithuanian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2020 Decennial Census.