West LIFESTYLE & PLACE

Colorado Lifestyle Guide

Research-backed state profile for Colorado, including its 2025 population estimate, capital, Census region, leading cities, official sources, and links from the interactive U.S. map.

COWest

State capitalDenver

2025 population6,012,561

Annual change+0.40%

Census regionWest

Indexed cities5

About Colorado

Colorado is part of the Mountain division in the U.S. Census Bureau’s West region, with Denver as its capital. The Census Bureau estimated the state’s population at 6,012,561 on July 1, 2025. The largest Census places included in this research pack are Denver, Colorado Springs, Aurora, Fort Collins, and Lakewood.

Population snapshot

The July 1, 2025 population estimate is 6,012,561. Compared with the 2024 estimate, the population increased by approximately 0.40%.

Largest places in this data pack

Denver
Colorado Springs
Aurora
Fort Collins
Lakewood

How this state index is organized

This page connects the interactive U.S. map to dedicated city profiles, related editorial guides, and future verified lifestyle metrics covering affordability, housing, employment, safety, education, healthcare, transportation, climate, entertainment, and environment.

Research scope: U.S. Census Bureau Vintage 2025 population estimates. Population figures are estimates rather than decennial census counts and may be revised in later vintages.

Best for people seeking a balance of amenities, manageable scale and regional outdoor access.

2025 population156,927Annual change-0.30%

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