Census place 0845970

Longmont

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: Longmont city

Relocation snapshot

What stands out in Longmont.

According to the 2025 estimate, Longmont has a population of 100,109 and 3,419 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 54 covered Colorado places are: population density is 3,419/sq mi, above the comparison median of 2,114/sq mi; average annual high is 45.5°F, below the comparison median of 64.1°F; and median household income is $90,671, below the comparison median of $98,711. These unweighted medians compare covered Census places and are not statewide estimates.

population density: 3,419/sq mi
average annual high: 45.5°F
median household income: $90,671

National context

Follow the metrics.

Compare Longmont's values with other covered Census places. Rankings are descriptive, not recommendations.

At a glance

A city in numbers.

Population: 100,109
Annual change: +0.5%
Density: 3,419/sq mi
Median age: 40.3 years

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income: $90,671
Median home value: $572,800
Median gross rent: $1,816
Bachelor’s degree or higher: 47%
Typical commute: 24.5 min
Drive-alone commute: 64.8%
Public transit commute: 2%
Walked to work: 1.5%

Housing

Who rents, and what it takes.

Renter share and rent burden help describe the housing choices visible in this place.

Renter-occupied homes: 37.5%
Renters paying 30%+ of income: 60.7%

Work

How the workday lands.

Employment status and working-from-home share add context to income and commuting patterns.

Employed residents 16+: 65.2%
Unemployed residents 16+: 3.3%
Working from home: 22.3%

Community

The everyday infrastructure.

Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.

Households with broadband: 94.9%
Homes built 2020+: 1.7%
Households without a vehicle: 4.2%
Households with children: 24.6%
Residents with a disability: 12.5%
Residents without insurance: 7.2%

Environmental context

A record of declared events.

FEMA declarations for Boulder County provide historical context, not a forecast or a property-level risk assessment.

Environmental declarations since 2000: 15
Fire declarations: 9
Flood declarations: 3
Snowstorm declarations: 2

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: BOULDER 14 W (26 mi from place center)

Average high: 45.5°F
Average low: 25°F
Annual rainfall: 33.9"
Annual snowfall: 0"

Month by month

A year in Longmont.

Typical high and low °F

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Typical precipitation inches

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Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.

Population estimates ACS profile TIGERweb boundary NOAA climate normals FEMA declarations

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

Everett, WA

Population, housing, work, and travel data for this Census place.

Population: 113,567
Median home: $565,300

Boulder, CO

Population, housing, work, and travel data for this Census place.

Population: 105,689
Median home: $1,039,500

Bellingham, WA

Population, housing, work, and travel data for this Census place.

Population: 96,395
Median home: $627,500

Keep exploring

Compare Longmont with Everett →