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Boulder, CO

City in Boulder County, Colorado. ZIP codes: 80301, 80303, 80304, 80305, 80310.

Population

106,433

Land area

26.9sq mi

People per sq mi

3,960

ZIP codes

5

Boulder and its ZIP codes

Full map

Boulder at a glance

  • Boulder is about 70 times as dense as Colorado as a whole.
  • By population, it ranks 12th among 472 cities and towns in Colorado.
  • The median household income is $87,493, 8% below the Colorado median of $95,470.
  • A typical owner-occupied home is valued at $1,039,500 (93% above Colorado) and median rent is $2,018 a month.

Local data for Boulder, CO

Counts from official public data

Housing and community stats

Boulder, CO, American Community Survey 2020-2024

Full profile

Median household income

$87,493

Poverty rate

21.5%

Median home value

$1,039,500

Median rent

$2,018/mo

Homeownership

47.2%

Bachelor's or higher

76.8%

Median age

28.8

Average commute

18.1 min

Largest reported origins and ancestries: German Americans (17,530), Irish Americans (12,446), Mexican Americans (6,866).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Boulder County. PPP loans are for Boulder.

Details

Unemployment rate

4.6%

Aug 2026, +0.7 pts in a year

Average annual pay

$101,259

191,487 jobs, 2025

Income per person

$104,808

BEA, 2024

Federal spending

$3.2B

FY 2026, $9,642 per person

PPP loans

$86.9M

1,995 loans, 11,029 jobs reported

Boulder County economyFederal spendingPPP loans

How people get to work

Boulder, CO, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone39.1%
  • Carpooled3.2%
  • Public transit5.1%
  • Walked9.5%
  • Bicycle8.0%
  • Taxi, ride-hailing, motorcycle or other0.7%
  • Worked from home34.4%

Average one-way commute: 18.1 minutes for people who do not work from home.

Environment and hazard risk

Boulder, CO, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: lightning

Storm events since 1996

1,987

Countywide, mostly winter storm

Flood insurance policies

2,543

2.3% of homes, county

July high / Jan low

88° / 22°F

21.2 inches of rain a year

Hazards, floods and storm historyCheck a flood zone12 historic places

Health statistics

Share of adults in Boulder, CO, CDC PLACES estimates

All 40 measures

Obesity

16.5%

U.S. 33.3% -16.8 pts

Diabetes

5.7%

U.S. 12.1% -6.4 pts

Smoking

9.0%

U.S. 12.8% -3.8 pts

Uninsured (18-64)

8.6%

U.S. 11.1% -2.5 pts

ZIP codes in Boulder

5 in or overlapping Boulder. Population shown

·

Cities near Boulder

NameDistanceLand area (sq mi)
ValmontCensus-designated place2.5 mi0.3
Pine Brook HillCensus-designated place3.2 mi3
Seven HillsCensus-designated place4.3 mi0.5
Paragon EstatesCensus-designated place5 mi1.7
Tall TimberCensus-designated place5.2 mi0.6
Lazy AcresCensus-designated place5.9 mi5.3
GunbarrelCensus-designated place6 mi6.2
Eldorado SpringsCensus-designated place6 mi2.6
CrismanCensus-designated place6.2 mi1.5
LouisvilleCity6.5 mi8
SunshineCensus-designated place6.6 mi1.7
Mountain MeadowsCensus-designated place6.8 mi1.7
AltonaCensus-designated place7.2 mi1.7
NiwotCensus-designated place7.2 mi4
GlendaleCensus-designated place7.4 mi1.3
LeynerCensus-designated place7.9 mi0.2

Frequently asked questions

What county is Boulder, CO in?
Boulder is in Boulder County, Colorado.
What ZIP codes are in Boulder, CO?
ZIP codes in or overlapping Boulder include 80301, 80303, 80304, 80305, 80310.
What is the population of Boulder, CO?
About 106,433 people live in Boulder, based on American Community Survey 5-year estimates.
What cities are near Boulder?
Nearby places include Valmont (2.5 mi), Pine Brook Hill (3.2 mi), Seven Hills (4.3 mi), Paragon Estates (5 mi), Tall Timber (5.2 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023