Largest Vietnamese population, US counties
US counties ranked by the number of residents who are Vietnamese, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Orange County, California leads at 226,850. 1,705 counties qualify in total. California carries 9 of the top 25 entries.
UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which county has the highest vietnamese population?
Orange County, California ranks #1 with 226,850 (2024 American Community Survey).
What are the top 5 counties by vietnamese population?
Orange County, California, Santa Clara County, California, Harris County, Texas, Los Angeles County, California, King County, Washington.
How many counties are in this ranking?
1,705 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.
How is vietnamese population measured?
Number of residents who are Vietnamese (Asian origin, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2024).