Total Population in Adams County, CO

ACS 2024 5-Year Estimates

Total Population
530,225
Rank #136 of 3,222
96th percentile

How Adams County Compares

Adams County
530,225
Colorado Average
530,225
Rank #5 of 64 in state
National
330M
99.8% below

National Distribution

Where Adams County falls among all 3,222 U.S. counties for total population.

33 9,808,667

■ Adams County: 530,225

Ranking Context

Rank County Value
#133 Summit County, OH 537,864
#134 Montgomery County, OH 536,096
#135 Plymouth County, MA 535,075
#136 Adams County, CO 530,225
#137 Sedgwick County, KS 528,226
#138 Camden County, NJ 527,257
#139 Passaic County, NJ 521,012
View full ranking →

Total Population in Adams County, Colorado

Adams County, Colorado has a total population of 530,225, which ranks #136 of 3,222 out of 3,222 counties nationwide. This is 99.8% below the national value of 330M.

Within Colorado, Adams County ranks #5 of 64 out of 64 counties. This places it in the 96th percentile nationally.

Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.