Largest Mongolian population, US counties
US counties ranked by the number of residents who are Mongolian, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Cook County, Illinois leads at 4,367. 231 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 mongolian population?
Cook County, Illinois ranks #1 with 4,367 (2024 American Community Survey).
What are the top 5 counties by mongolian population?
Cook County, Illinois, Los Angeles County, California, Alameda County, California, Fairfax County, Virginia, King County, Washington.
How many counties are in this ranking?
231 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.
How is mongolian population measured?
Number of residents who are Mongolian (Asian origin, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2024).