Largest Italian population, US counties
US counties ranked by the number of residents who are Italian ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Suffolk County, New York leads at 314,782. 3,102 counties qualify in total. New York carries 8 of the top 25 entries.
UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which county has the highest italian population?
Suffolk County, New York ranks #1 with 314,782 (2024 American Community Survey).
What are the top 5 counties by italian population?
Suffolk County, New York, Cook County, Illinois, Los Angeles County, California, Nassau County, New York, Maricopa County, Arizona.
How many counties are in this ranking?
3,102 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.
How is italian population measured?
Number of residents who are Italian ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2024).