Jennifer I. Kondo

Boulder Colorado Population 2025 Map. The most populous counties in colorado are el paso county with 744,215, denver. Usafacts uses census data to break down the population of colorado by race, age, and more.

#6 on the list of top 101 cities with the lowest percentage of family households, population 100,000+. Full demographic report of boulder, co population including education levels, household income, job market, ethnic makeup, and languages.