Adams County, Colorado
Located in Colorado, Adams County has a population of 530,225 residents and a median age of 34.8 years, making it the #136 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.8%. The median home value is $484,200, and the median household income is $94,571, which is 26% above the national median.
Demographics
Adams County has a population of 530,225, making it the #136 most populous county in the US. The median age is 34.8 years, which is 10.5% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Adams County is $94,571, ranking #230 out of 3,222 counties — 25.8% above the national median. The poverty rate is 9.8% and unemployment stands at 4.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Adams County is $484,200 (+71.8% vs national). Renters pay a median of $1,781/mo and the homeownership rate is 68.6%.
Median Home Value Trend
Rankings →Household Type
Education
In Adams County, 29.0% of adults age 25+ hold a bachelor's degree or higher, which is 13.9% below the national average, ranking #838 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Adams County is 76.9 years. 19.1% of adults report poor or fair health and 11.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
14.8% of adults in Adams County smoke , 34.0% are obese , and 18.9% report excessive drinking. The drug overdose death rate is 34.8 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Adams County is 6.3 per 100,000 and the suicide rate is 20.8 per 100,000. Motor vehicle deaths occur at a rate of 12.4 per 100,000.
Homicide Rate Trend
Families & Children
12.8% of children in Adams County live in poverty and the infant mortality rate is 5.7 per 1,000 live births. The teen birth rate is 17.4 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Adams County is 71.6%. The mean commute time is 32.3 min, which is 17.1% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Adams County voted Democratic with a margin of 9.0%. The vote was 53.2% Dem / 44.2% Rep. Compared to 2020, the margin shifted 7.3 toward Republicans .
Vote Share Over Time
About Adams County, Colorado
Adams County, Colorado has a total population of 530,225, making it the 136th most populous county in the United States. The median age in Adams County is 34.8 years, which is 10.5% below the national median of 38.9 years.
The median household income in Adams County is $94,571, which ranks #230 of 3,222 counties nationwide. This is 25.8% above the national median of $75,149. The poverty rate is 9.8%, lower than the national rate of 12.6%. The unemployment rate stands at 4.6%.
The median home value in Adams County is $484,200, 71.8% above the national median. Renters in Adams County pay a median gross rent of $1,781 per month. The homeownership rate is 68.6%, compared to the national rate of 64.4%.
In Adams County, 29.0% of residents aged 25 and older hold a bachelor's degree or higher, 13.9% below the national average of 33.7%. Health insurance coverage stands at 88.4% of the population. The average commute time for workers is 32.3 min.
Adams County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 45.2% of the population, followed by Hispanic or Latino (42.8%) and Asian (non-Hispanic) (3.8%).
All data for Adams County, Colorado comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.