Longmont, CO Census Data
The 14th largest city in Colorado by population · 20 cities ranked
Longmont is the 14th largest city in Colorado by population and ranks 11th of 20 for median household income. With 98,958 residents, it has a lower poverty rate than 10 other Colorado cities. This snapshot draws from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-04-13 · 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 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%
Per Capita Income
$46,947
Individual average income (not household)
Veteran Population
6.7%
Disability rate: 11.7%
How Longmont Compares to Other Colorado Cities
Rankings among all 20 Colorado cities tracked in the 2023 ACS.
| Ranking | Position | Tier |
|---|---|---|
| Largest by Population | 14th of 20 | Bottom half |
| Highest Median Income | 11th of 20 | Bottom half |
| Lowest Poverty Rate | 10th of 20 | Top half |
| Highest Bachelor's Attainment | 10th of 20 | Top half |
| Highest Home Value | 11th of 20 | Bottom half |
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).
How does Longmont rank among Colorado cities?
Longmont is the 14th largest city in Colorado by population, the 11th highest for median household income, the 10th lowest for poverty rate, the 10th highest for bachelor's degree attainment among 20 ranked Colorado cities.
What is the unemployment rate in Longmont?
The unemployment rate in Longmont, CO is 4.3%, with a labor force participation rate of 65.4%. Per capita income is $46,947.
Cities Similar to Longmont
Other Colorado cities with comparable population and income levels.