Larimer County, Colorado
Located in Colorado, Larimer County has a population of 367,368 residents and a median age of 36.8 years, making it the #205 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.2%. The median home value is $569,100, and the median household income is $93,765, which is 25% above the national median.
Demographics
Larimer County has a population of 367,368, making it the #205 most populous county in the US. The median age is 36.8 years, which is 5.4% 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 Larimer County is $93,765, ranking #238 out of 3,222 counties — 24.8% above the national median. The poverty rate is 11.2% and unemployment stands at 4.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Larimer County is $569,100 (+101.9% vs national). Renters pay a median of $1,716/mo and the homeownership rate is 64.0%.
Median Home Value Trend
Rankings →Household Type
Education
In Larimer County, 53.0% of adults age 25+ hold a bachelor's degree or higher, which is 57.1% above the national average, ranking #70 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Larimer County is 80.5 years. 10.8% of adults report poor or fair health and 7.2% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
9.1% of adults in Larimer County smoke , 21.1% are obese , and 24.3% report excessive drinking. The drug overdose death rate is 18.5 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Larimer County is 1.9 per 100,000 and the suicide rate is 21.1 per 100,000. Motor vehicle deaths occur at a rate of 9.6 per 100,000.
Homicide Rate Trend
Families & Children
7.7% of children in Larimer County live in poverty and the infant mortality rate is 3.7 per 1,000 live births. The teen birth rate is 6.1 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Larimer County is 82.4%. The mean commute time is 25.8 min, which is 6.4% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Larimer County voted Democratic with a margin of 17.6%. The vote was 57.4% Dem / 39.8% Rep. Compared to 2020, the margin shifted +2.2 toward Democrats .
Vote Share Over Time
About Larimer County, Colorado
Larimer County, Colorado has a total population of 367,368, making it the 205th most populous county in the United States. The median age in Larimer County is 36.8 years, which is 5.4% below the national median of 38.9 years.
The median household income in Larimer County is $93,765, which ranks #238 of 3,222 counties nationwide. This is 24.8% above the national median of $75,149. The poverty rate is 11.2%, lower than the national rate of 12.6%. The unemployment rate stands at 4.7%.
The median home value in Larimer County is $569,100, 101.9% above the national median. Renters in Larimer County pay a median gross rent of $1,716 per month. The homeownership rate is 64.0%, compared to the national rate of 64.4%.
In Larimer County, 53.0% of residents aged 25 and older hold a bachelor's degree or higher, 57.1% above the national average of 33.7%. Health insurance coverage stands at 94.4% of the population. The average commute time for workers is 25.8 min.
Larimer County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 79.2% of the population, followed by Hispanic or Latino (12.9%) and Two or More Races (3.8%).
All data for Larimer 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.