Highest Portuguese population share, US counties · 2010
US counties ranked by the share of all residents who are Portuguese ancestry (2023 American Community Survey). A concentration measure: Portuguese residents as a percentage of total population. Bristol County, Massachusetts leads at 30.1%. 2,070 counties qualify in total. California 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 portuguese share?
Bristol County, Massachusetts ranks #1 with 30.1% (2010 American Community Survey).
What are the top 5 counties by portuguese share?
Bristol County, Massachusetts, Bristol County, Rhode Island, Newport County, Rhode Island, Dukes County, Massachusetts, Kent County, Rhode Island.
How many counties are in this ranking?
2,070 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 ACS 5-year data.
How is portuguese share measured?
Share of all residents who are Portuguese ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2010).