Largest Costa Rican population, US counties
US counties ranked by the number of residents who are Costa Rican origin, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. Los Angeles County, California leads at 10,509. 916 counties qualify in total. New Jersey carries 7 of the top 25 entries. The median across all 916 is 46. Biggest climber in the top 100 since 2020: Erie County, NY, up 314 places to #95.
Costa Rican Americans: full group profile →UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES
Frequently asked
Which county has the highest costa rican population?
Los Angeles County, California ranks #1 with 10,509 (2024 American Community Survey).
What are the top 5 counties by costa rican population?
Los Angeles County, California, Miami-Dade County, Florida, Somerset County, New Jersey, Union County, New Jersey, Broward County, Florida.
How many counties are in this ranking?
916 counties qualify after filtering for population minimums and data availability. The ranking covers 2024 ACS 5-year data.
How is costa rican population measured?
Number of residents who are Costa Rican origin (Hispanic origin, ACS detailed tables). Source: US Census Bureau, American Community Survey 5-year estimates (2024).