CITY
Longmont
Colorado · 100,109 residents (2025 est.) · 29.0 sq mi
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The short version
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
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
Section 01
Population & growth
99,406
+40%since 2000
from 71,093 in 2000
100,109 in 2025 (Census Bureau estimate)
1990 – 2025
Land area
29.0 sq mi
Population, 1990 – 2024
202499K
Age distribution, 2024
Under 54.8%(4,807)
5 to 94.9%(4,864)
10 to 145.3%(5,261)
15 to 196.4%(6,356)
20 to 246.7%(6,650)
25 to 3414.4%(14,285)
35 to 4413.7%(13,602)
45 to 5412.1%(11,984)
55 to 6413.2%(13,077)
65 to 7411.2%(11,171)
75 to 844.9%(4,903)
85 and over2.5%(2,446)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$90,671
−3%inflation adjusted, since 2000
from $51,174 in 2000
US average: $82,259
1990 – 2024
Households earning $100K+
59.3%
+20.9 ptssince 2009
from 38.4% in 2009
US average: 53.3%
Workforce by industry, 2024
Retail trade13.4%
Information12.5%
Wholesale trade6.5%
Other services3.7%
Finance & insurance3.7%
Professional, scientific, technical3.1%
Public administration2.4%
Arts, entertainment, food2.1%
Transportation & warehousing1.9%
Agriculture, forestry, fishing0.8%
Construction0.6%
Education & health services0.6%
Manufacturing0.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03
Housing
$572,800
+81%inflation adjusted, since 2000
from $173,800 in 2000
US average: $376,019
1990 – 2024
6.3
+51%since 2009
from 4.2 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
74
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity
2000
White, non-Hispanic76.8%(54,599)
Black0.5%(363)
Hispanic / Latino19.1%(13,558)
Asian1.7%(1,236)
Other0%
2024
White, non-Hispanic66.7%(66,278)
Black0.8%(759)
Hispanic / Latino24%(23,848)
Asian3.3%(3,317)
Other5.2%(5,204)
62
+10%since 2009
from 56 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry
Hispanic origin
Mexican18.3%(18,214)
Central American1.3%(1,258)
South American0.9%(894)
Guatemalan0.7%(665)
Spaniard0.6%(615)
Puerto Rican0.5%(543)
Honduran0.5%(479)
Venezuelan0.4%(352)
Cuban0.2%(210)
Colombian0.2%(210)
Peruvian0.1%(123)
Salvadoran0.1%(95)
+ 7 more hispanic origin groups with data
Chilean0.1%(88)
Uruguayan0.1%(55)
Dominican0.1%(53)
Argentine0%(21)
Costa Rican0%(19)
Ecuadorian0%(18)
Bolivian0%(16)
Asian origin
Chinese1%(1,013)
Asian Indian0.8%(775)
Nepalese0.3%(344)
Filipino0.3%(328)
Korean0.2%(170)
Cambodian0.2%(157)
Japanese0.1%(142)
Thai0.1%(99)
Sri Lankan0.1%(81)
Vietnamese0.1%(80)
Taiwanese0.1%(72)
Indonesian0%(19)
+ 1 more asian origin group with data
Hmong0%(6)
Ancestry
German18.1%(17,990)
English16.1%(15,972)
Irish13.1%(12,989)
Italian5.3%(5,314)
French3.3%(3,241)
American2.8%(2,823)
Scottish2.7%(2,717)
Polish2.4%(2,429)
Norwegian2.3%(2,241)
Swedish1.8%(1,823)
Dutch1.7%(1,643)
Scotch-Irish1.2%(1,176)
+ 42 more ancestry groups with data
Russian0.9%(939)
Danish0.8%(795)
British0.8%(770)
Welsh0.6%(581)
Hungarian0.5%(512)
Ukrainian0.5%(461)
French Canadian0.5%(457)
Czech0.4%(443)
Subsaharan African0.4%(401)
Arab0.4%(392)
Swiss0.4%(377)
Greek0.3%(320)
Slovak0.3%(284)
Austrian0.3%(280)
Portuguese0.3%(260)
Lithuanian0.2%(168)
Moroccan0.1%(148)
Finnish0.1%(148)
Canadian0.1%(141)
Belgian0.1%(127)
Lebanese0.1%(97)
Slovene0.1%(95)
Romanian0.1%(92)
Ethiopian0.1%(91)
Croatian0.1%(89)
Bulgarian0.1%(88)
Nigerian0.1%(86)
Brazilian0.1%(55)
West Indian0.1%(55)
Iranian0.1%(53)
Armenian0%(49)
Jordanian0%(43)
Jamaican0%(34)
Ghanaian0%(31)
Egyptian0%(24)
Turkish0%(23)
Australian0%(20)
Iraqi0%(19)
Latvian0%(19)
Haitian0%(18)
Serbian0%(16)
Syrian0%(14)
Section 05
Education
High school or higher
92.6%
+6.1 ptssince 2000
from 86.5% in 2000
US average: 89.6%
Section 06
Commute & transportation
Section 07
Work & employment
Women 20-64 in the labor force
81.7%
+2.1 ptssince 2020
from 79.6% in 2020
US average: 74.6%
Section 08
People & community
Computer in household
97.4%
+3.2 ptssince 2020
from 94.2% in 2020
US average: 95.5%
Marital status
Men 15+
Never married38.2%(15,912)
Married47.5%(19,797)
Widowed2.6%(1,067)
Divorced11.7%(4,886)
Women 15+
Never married29.1%(12,468)
Married47.7%(20,437)
Widowed7.9%(3,376)
Divorced15.3%(6,531)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage
Direct-purchase
16.0%
+1.4 ptssince 2020
from 14.6% in 2020
US average: 13.8%
VA health care
1.8%
Unchangedsince 2020
from 1.8% in 2020
US average: 2.2%
Any private
71.9%
−1.3 ptssince 2020
from 73.2% in 2020
US average: 67.1%
Any public
34.6%
+1.9 ptssince 2020
from 32.7% in 2020
US average: 36.7%
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)
Gulf War (1990s)14.8%(741)
Vietnam era39.4%(1,981)
Korean War6.4%(322)
World War II1%(51)
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
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Frequently asked
How many people live in Longmont, Colorado?
Longmont, Colorado has about 99,406 residents according to the 2024 American Community Survey.
What is the median household income in Longmont, Colorado?
The typical household in Longmont, Colorado earns about $90,671 a year. Half of households make more than that, and half make less.
Is Longmont, Colorado expensive?
In Longmont, Colorado, the median home is worth about $572,800, and the typical rent is about $1,816 a month.
How educated are people in Longmont, Colorado?
About 47.0% of adults age 25 and over in Longmont, Colorado hold a bachelor's degree or higher.
What is the poverty rate in Longmont, Colorado?
About 8.6% of people in Longmont, Colorado live below the federal poverty line.
Has Longmont, Colorado grown since 1990?
Yes, Longmont, Colorado has grown since 1990. The population has added about 47,882 residents, a change of about 93 percent over that period.
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ColoradoDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024