Highest Portuguese population share, US counties
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 22.5%. 2,162 counties qualify in total. California carries 7 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 22.5% (2024 American Community Survey).
What are the top 5 counties by portuguese share?
Bristol County, Massachusetts, Bristol County, Rhode Island, Kalawao County, Hawaii, Newport County, Rhode Island, Kent County, Rhode Island.
How many counties are in this ranking?
2,162 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 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 (2024).