Longmont, CO demographics:
population, income, and more

Total population
99,406
0.5% year-over-year change
Median household income
$90,671/yr
1.1% year-over-year change
Housing units
43,528
2.6% year-over-year change

Longmont population

How many people live in Longmont

Longmont is home to 99,406 residents, according to the most recent Census data. Gender-wise, 49.7% of Longmont locals are male, and 50.3% are female.

Total population
99,406
0.5% year-over-year change
Gender ratio
Male
49.7%
49,392
Female
50.3%
50,014
Value Percent YoY change
Male 49,392 49.7% 0.6%
Female 50,014 50.3% 0.3%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Longmont is 40, with the population distributed as follows: about 15% are children under 15, then 13.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 28% of the population, while another 25.2% fall into the 45 to 64 bracket. Finally, around 18.6% are 65 or older.

Median age
40.3
Age breakdown
Under 15
15%
15 to 24
13.1%
25 to 44
28%
45 to 64
25.2%
Over 65
18.6%
Value Percent YoY change
Under 15 14,932 15% -5.2%
15 to 24 13,006 13.1% -1.0%
25 to 44 27,887 28% 2.8%
45 to 64 25,061 25.2% -0.9%
Over 65 18,520 18.6% 5.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Longmont, 88.3% of the population are US-born citizens, while 6.9% have gained naturalized citizenship. At the same time, 4.7% of residents are non-citizens. As for race, 72.2% of locals are Caucasian, 0.9% are African American and 3.4% have Asian roots. Another 0.6% are Indigenous American, 0.1% are Pacific Islanders, while 5.8% identify as another race. There’s also a share of 17.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
88.3%
Non-U.S.-born citizens
6.9%
Non-citizens
4.7%
Value Percent YoY change
U.S.-born citizens 87,812 88.3% 1.1%
Non-U.S.-born citizens 6,879 6.9% -1.3%
Non-citizens 4,715 4.7% -7.7%
Racial breakdown
White
72.2%
Black or African American
0.9%
American Indian and Alaska Native
0.6%
Asian
3.4%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
17.1%
Other
5.8%
Value Percent
White 71,774 72.2%
Black or African American 869 0.9%
American Indian and Alaska Native 580 0.6%
Asian 3,371 3.4%
Native Hawaiian and other Pacific Islander 96 0.1%
Two or more races 16,958 17.1%
Other 5,758 5.8%

Households in Longmont

A peek inside Longmont households

Longmont has 42,155 households, with an average of 2 members in each. Of these, 58.1% are families, while the remaining 41.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
42,155
2.6% year-over-year change
Average people per household
2
Non-family households
17,666
Family households
24,489
Value Percent YoY change
Non-family households 17,666 41.9% 8.8%
Family households 24,489 58.1% -1.3%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Longmont

The housing landscape of Longmont

Longmont's housing consists of 43,528 units, with 59.2% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 8.9% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2.4% of the housing landscape.

Housing units
43,528
2.6% year-over-year change
Housing types
Value Percent
1 unit, detached 25,791 59.2%
1 unit, attached 3,866 8.9%
2 units 592 1.4%
3 or 4 units 1,620 3.7%
5 to 9 units 2,670 6.1%
10 to 19 units 3,167 7.3%
20 to 49 units 2,213 5.1%
50 or more units 2,514 5.8%
Mobile home 1,026 2.4%
Boat, RV, van, etc. 69 0.2%
Homes built since 2020
761
26.6% year-over-year change

The age of buildings in Longmont

In Longmont, the median construction year is 1991. About 4.8% of homes were built before the 1940s, with another 1.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 17.4% of homes were added from 2000 to 2009, 15.2% between 2010 and 2019, and 1.8% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 2,071 4.8% 8.9%
Built between 1940 and 1949 671 1.5% 5.7%
Built between 1950 and 1959 1,899 4.4% 10.8%
Built between 1960 and 1969 3,099 7.1% -1.4%
Built between 1970 and 1979 8,402 19.3% -1.7%
Built between 1980 and 1989 4,616 10.6% -6.1%
Built between 1990 and 1999 7,781 17.9% 1.4%
Built between 2000 and 2009 7,597 17.4% 4.0%
Built between 2010 and 2019 6,631 15.2% 10.6%
Built in 2020 or later 761 1.8% 26.6%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Longmont occupancy rates

Out of the 42,155 occupied housing units in Longmont, 62.5% are owner-occupied, while 37.5% are lived in by tenants. Meanwhile, 3.2% of all homes on the local market sit vacant.

Occupied housing units
42,155
2.6% year-over-year change
Occupancy breakdown
Renter occupied
15,823
Owner occupied
26,332
Value Percent YoY
change
Renter occupied 15,823 37.5% 3.0%
Owner occupied 26,332 62.5% 2.5%
Unoccupied housing units
3.2%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Longmont housing costs

Housing costs in Longmont come to a median of $1,808 per month, while tenants specifically pay a median gross rent of $1,816.

Median housing costs per month
$1,808/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Longmont
$1,816/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Longmont

Longmont education at a glance

About 25.2% of the population in Longmont went to high school, while 21% pursued college studies. Another 7.3% earned an associate degree and 26.3% hold a bachelor’s. Meanwhile, 17% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 2,484 3.1% -10.4%
High school diploma 20,370 25.2% 1.2%
College diploma 16,957 21% 3.5%
Associate degree 5,873 7.3% -4.5%
Bachelor's degree 21,252 26.3% 2.9%
Graduate degree 13,746 17% 5.2%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Longmont

How much people earn in Longmont

The average annual household income in Longmont was $115,584 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.6% change from the previous year. At the same time, the median income stood at $90,671, reflecting a +1.1% shift over the same period.

Average household income in Longmont
$115,584/year
2.6% year-over-year change
Median household income in Longmont
$90,671/year
1.1% year-over-year change

Longmont income by age

In Longmont, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $102,018. Those with someone between 45 and 64 in charge, often well established professionally, earn $111,814 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $64,536, while those led by someone over 65, many of whom may be retired, have about $67,633 in earnings. Overall, 91.4% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $64,536 6.5%
25 - 44 $102,018 0.8%
45 - 64 $111,814 -2.7%
Over 65 $67,633 4.1%
Above poverty level
89,615
Below poverty level
8,453
Value Percent YoY
change
Above poverty level 89,615 91.4% 0.6%
Below poverty level 8,453 8.6% 1.6%

Average renter income in Longmont

To get a better sense of what renters earn on average in Longmont, their median household income was $60,513 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 36%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$60,513
Rent-to-income ratio
36%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Longmont

Workforce and job types in Longmont

The job market in Longmont is powered by 54,275 working residents, spread across a range of industries and roles. 81.6% of the working population are employed in professional or administrative positions, while 18.4% are in hands-on or service-based jobs. Also, 11.2% run their own businesses, 67.5% are employed by private companies, and 13.8% work in the public sector.

Workforce demographics

Working population
54,275
1.4% year-over-year change
White collar
44,287
Blue collar
9,988
Value Percent YoY change
White collar 44,287 81.6% 1.3%
Blue collar 9,988 18.4% 2.3%
Employer type
Self employees
11.2%
Private companies
67.5%
Governmental workers
13.8%
Not for profit companies
7.5%
Value Percent YoY change
Self employees 6,088 11.2% -7.3%
Private companies 36,641 67.5% 2.5%
Governmental workers 7,495 13.8% -2.8%
Not for profit companies 4,051 7.5% 16.2%
Unemployment rate
4.8%
13.5% year-over-year change

Available workforce

The unemployment rate in Longmont stands at 4.8%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Longmont

How people get around in Longmont

In Longmont, the average commute time is 24 minutes. Commuting methods vary: 72.8% of residents travel by personal vehicle and 1.5% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
24 min
Means of transportation
Value Percent YoY change
Car 38,935 72.8% -2.8%
Bus or trolleybus 1,075 2% 16.7%
Motorcycle 47 0.1% -9.6%
Bicycle 407 0.8% 17.3%
Walk 784 1.5% -8.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Longmont by zipcode?

Zipcode Population Number of households Median income Average income
80501 44,147 18,945 $80,911 $97,462
80503 35,846 15,153 $113,620 $152,397
80504 63,451 24,077 $113,643 $137,288

Explore more communities

FAQs about Longmont demographics 

What is the total population of Longmont?

Longmont has a total population of 99,406 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.5% compared to a year ago.

What is the gender ratio in Longmont?

The gender ratio in Longmont is as follows:
  • 49.7% males (49,392 residents)
  • 50.3% females (50,014 residents)

What is the median age in Longmont?

The median age in Longmont is 40.3.

What is the age distribution of the population in Longmont?

The age distribution in Longmont is as follows:
  • Under 15: 15% (14,932 residents)
  • Ages 15-24: 13.1% (13,006 residents)
  • Ages 25-44: 28% (27,887 residents)
  • Ages 45-64: 25.2% (25,061 residents)
  • Over 65: 18.6% (18,520 residents)

What is the racial and ethnic makeup of Longmont?

The racial and ethnic makeup of Longmont is as follows:
  • White: 72.2% (71,774 residents)
  • Black or African American: 0.9% (869 residents)
  • American Indian and Alaska Native: 0.6% (580 residents)
  • Asian: 3.4% (3,371 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (96 residents)
  • Two or More Races: 17.1% (16,958 residents)
  • Other: 5.8% (5,758 residents)

What percentage of the population in Longmont are U.S.-born citizens?

U.S.-born citizens represent 88.3% of the population in Longmont.

How many housing units are there in Longmont?

There are 43,528 housing units in Longmont, reflecting a +2.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Longmont and what is the average household size?

Longmont has a total of 42,155 households, with an average of 2 people in each.

What is the median household income in Longmont?

Longmont has a median household income of $90,671, representing a +1.1% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Longmont?

The employment rate is 95.2% in Longmont, with a workforce of 54,275 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 81.6% (44,287 residents)
  • Blue-collar workers: 18.4% (9,988 residents)

Places of employment:
  • Self-employed: 11.2% (6,088 residents)
  • Private companies: 67.5% (36,641 residents)
  • Governmental workers: 13.8% (7,495 residents)
  • Not-for-profit companies: 7.5% (4,051 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025