Total Population in Adams County, CO
ACS 2024 5-Year Estimates
530,225
Rank #136/3,222 · #5 in CO
96th
Adams 530,225
CO 5,862,189 -91.0%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Adams County's total population of 530,225 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Adams County for total population.
Nearby Rankings
Full ranking →| #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 |
About Total Population
Adams County, Colorado has a total population of 530,225, ranking #136 of 3,222 counties nationwide — 99.8% below the national value of 330M. Within Colorado, it ranks #5 of 64. This places it in the 96th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.