Longmont, CO Census Data
Key demographic and economic indicators for Longmont, Colorado from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-03-23 · Source: U.S. Census Bureau, ACS 2023
Population
98,958
49.6% male · 50.4% female
Median Age
40.1
1.4 above the national average (38.7 yrs)
Median Household Income
$89,724
11,186.0 above the national average ($78,538)
Bachelor's Degree or Higher
46.3%
11.3 above the national average (35.0%)
HS diploma or higher: 92.0%
Poverty Rate
8.6%
3.8 below the national average (12.4%)
Uninsured: 6.7%
Broadband Access
97.0%
7.3 above the national average (89.7%)
Median Home Value
$541,400
Median rent: $1,755 · 63% owner-occupied
Unemployment Rate
4.3%
Labor force participation: 65.4%
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
Longmont, CO Frequently Asked Questions
What is the population of Longmont, CO?
The population of Longmont, CO is 98,958 according to the 2023 American Community Survey 5-year estimates. The median age is 40.1 years.
What is the median household income in Longmont?
The median household income in Longmont, CO is $89,724, above the national average of $78,538. Per capita income is $46,947.
What is the poverty rate in Longmont?
The poverty rate in Longmont, CO is 8.6%, compared to the national average of 12.4%. About 6.7% of residents lack health insurance.
What percentage of Longmont residents have a college degree?
46.3% of adults (25+) in Longmont hold a bachelor's degree or higher, and 92.0% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in Longmont?
The median home value in Longmont, CO is $541,400. Median rent is $1,755 per month, with 63% of housing units owner-occupied.
What is the racial makeup of Longmont?
Longmont's population is 76.7% White, 1.0% Black, 24.2% Hispanic or Latino, and 3.0% Asian (source: 2023 ACS).