What is the largest city in Mesa County, CO?

Grand Junction is the largest city or town in Mesa County, with about 68,142 residents.

How many ZIP codes are in Mesa County?

Mesa County includes 17 ZIP Code Tabulation Areas, including 81501, 81503, 81504, 81505, 81506.

What is the population of Mesa County, CO?

About 158,601 people live in Mesa County, based on American Community Survey 5-year estimates.

What counties border Mesa County?

Mesa County borders Garfield County, Montrose County, Delta County, Gunnison County, Pitkin County, San Juan County, UT, Grand County, UT.

Mesa County, CO: Cities, ZIP Codes & Local Data

Population

158,601

Land area

3,329sq mi

People per sq mi

48

ZIP codes

17

Mesa County at a glance

By population, it ranks 11th among 64 counties in Colorado.
The median household income is $73,658, 23% below the Colorado median of $95,470.
A typical owner-occupied home is valued at $378,600 (30% below Colorado) and median rent is $1,182 a month.
Its largest cities are Grand Junction (68,142), Clifton (19,518) and Fruita (13,691).

Local data for Mesa County, CO

Counts from official public data

Housing and community stats

Mesa County, CO, American Community Survey 2020-2024

Full profile

Median household income

$73,658

Poverty rate

10.7%

Median home value

$378,600

Prices +3.2% in a year

Median rent

$1,182/mo

Homeownership

72.5%

Bachelor's or higher

32.3%

Median age

41.3

Average commute

18.9 min

Largest reported origins and ancestries: German Americans (34,099), Irish Americans (19,842), Mexican Americans (15,324).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.6%

Aug 2026, +0.8 pts in a year

Average annual pay

$59,480

66,902 jobs, 2025

Income per person

$59,925

BEA, 2024

Federal spending

$1.25B

FY 2026, $8,015 per person

PPP loans

$337M

4,410 loans, 39,874 jobs reported

Campaign donations

$749K

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

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

Drove alone72.0%
Carpooled8.4%
Public transit0.7%
Walked2.3%
Bicycle1.4%
Taxi, ride-hailing, motorcycle or other1.5%
Worked from home13.7%

Average one-way commute: 18.9 minutes for people who do not work from home.

Environment and hazard risk

Mesa County, CO, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: landslide

Storm events since 1996

4,003

Most often winter weather

Flood insurance policies

201

0.3% of homes, county

July high / Jan low

93° / 19°F

8.9 inches of rain a year

Hazards, floods and storm history Check a flood zone 27 historic places

Health statistics

Share of adults in Mesa County, CO, CDC PLACES estimates

All 40 measures

Obesity

29.8%

U.S. 33.3% -3.5 pts

Diabetes

9.8%

U.S. 12.1% -2.3 pts

Smoking

12.7%

U.S. 12.8% about the same

Uninsured (18-64)

11.0%

U.S. 11.1% about the same

Cities, towns and ZIP codes in Mesa County

Population shown

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Frequently asked questions

What is the largest city in Mesa County, CO?: Grand Junction is the largest city or town in Mesa County, with about 68,142 residents.
How many ZIP codes are in Mesa County?: Mesa County includes 17 ZIP Code Tabulation Areas, including 81501, 81503, 81504, 81505, 81506.
What is the population of Mesa County, CO?: About 158,601 people live in Mesa County, based on American Community Survey 5-year estimates.
What counties border Mesa County?: Mesa County borders Garfield County, Montrose County, Delta County, Gunnison County, Pitkin County, San Juan County, UT, Grand County, UT.