Largest Australian population, Colorado counties

Colorado counties ranked by the number of residents who are Australian ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 28 counties in Colorado that qualify, ranked against each other statewide. The median across all 28 is 41. Biggest climber in the top 100 since 2020: Garfield County, CO, up 11 places to #14.