Colorado / Census place 0807850

Boulder

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

Official Census name: Boulder city

At a glance

A city in numbers.

Population
105,689
2025 estimate
Annual change
-0.8%
Population estimate
Density
3,925/sq mi
26.9 sq mi land area
Median age
28.8 years
ACS 5-year estimate

Living here

The everyday equation.

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

Median household income
$87,493
Median home value
$1,039,500
Median gross rent
$2,018
Bachelor’s degree or higher
76.8%
Typical commute
18.1 min
Public transit commute
5.1%

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 (16 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 Boulder.

Typical high and low °F
JFMAMJJASOND
Typical precipitation inches
J
F
M
A
M
J
J
A
S
O
N
D

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.

Similar places

More places to consider.

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

CO

Longmont, CO

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

Population
100,109
Median home
$572,800
WA

Renton, WA

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

Population
104,975
Median home
$672,600
WA

Everett, WA

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

Population
113,567
Median home
$565,300

Keep exploring

Compare Boulder with Longmont