Longmont is home to 99,406 people in Colorado. Few US cities rank higher on income. Growth has run 40% since 2000, or 28,313 more people. 47% of adults hold a bachelor's degree or higher. Home values have roughly tripled since 2000, reaching $572,800. Density works out to 3,423 people per square mile.
At a glance
Wealthier
median household income $90,671, above the US median
US median: $82,259
Mid-age
median age 40.3
US median: 38.9
More educated
47% hold a bachelor's degree
US average: 36%
Less affordable
home values up 81%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Longmont
What changed most since 1990
Median home value (2024 dollars)$205,446 → $572,800(+179%)US over the same years: +67%
Population51,524 → 99,406(+93%)US over the same years: +35%
Adults with a bachelor's degree20.5% → 47.0%(+26.5 pts)US over the same years: +15.3 pts
Longmont's population equals 30% of Boulder County's. Its number of veterans equals 43% of the county's. Its number of people who work from home equals 22% of the county's.
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)23.9%(1,203)
US avg: 26.4%
Gulf War (1990s)14.8%(741)
US avg: 24.3%
Vietnam era39.4%(1,981)
US avg: 33.1%
Korean War6.4%(322)
US avg: 4.5%
World War II1%(51)
US avg: 1%
Share of the 5,023 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Longmont, decade by decade
Longmont population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
51,524
$78,084
$205,446
20.5%
29.6
2000
71,093
$93,221
$316,604
31.3%
46.6
2010
86,270
$80,596
$342,955
37.6%
57.2
2020
98,885
$95,921
$479,967
44.2%
63.2
2024
99,406
$90,671
$572,800
47.0%
61.7
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
