What is the largest city in Cache County, UT?

Logan is the largest city or town in Cache County, with about 54,907 residents.

How many ZIP codes are in Cache County?

Cache County includes 18 ZIP Code Tabulation Areas, including 84304, 84305, 84308, 84318, 84319.

What is the population of Cache County, UT?

About 140,046 people live in Cache County, based on American Community Survey 5-year estimates.

What counties border Cache County?

Cache County borders Weber County, Box Elder County, Franklin County, ID, Bear Lake County, ID, Oneida County, ID, Rich County.

Cache County, UT: Cities, ZIP Codes & Local Data

Population

140,046

Land area

1,165sq mi

People per sq mi

120

ZIP codes

18

Cache County at a glance

Cache County is about 2.9 times as dense as Utah as a whole.
By population, it ranks 6th among 29 counties in Utah.
The median household income is $81,665, 14% below the Utah median of $95,166.
A typical owner-occupied home is valued at $444,400 (9% below Utah) and median rent is $1,213 a month.
Its largest cities are Logan (54,907), Smithfield (14,408) and North Logan (11,460).

Local data for Cache County, UT

Counts from official public data

Housing and community stats

Cache County, UT, American Community Survey 2020-2024

Full profile

Median household income

$81,665

Poverty rate

12.0%

Median home value

$444,400

Prices +2.0% in a year

Median rent

$1,213/mo

Homeownership

63.7%

Bachelor's or higher

42.2%

Median age

26.2

Average commute

17.7 min

Largest reported origins and ancestries: German Americans (13,065), Mexican Americans (11,716), Irish Americans (6,780).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

3.6%

Aug 2026, +0.1 pts in a year

Average annual pay

$55,327

63,788 jobs, 2025

Income per person

$53,880

BEA, 2024

Federal spending

$771M

FY 2026, $5,787 per person

PPP loans

$224M

3,210 loans, 32,961 jobs reported

Campaign donations

$512K

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Cache County, UT, workers 16 and older. American Community Survey 5-year estimates

Drove alone67.8%
Carpooled9.3%
Public transit2.2%
Walked4.0%
Bicycle1.5%
Taxi, ride-hailing, motorcycle or other1.3%
Worked from home14.0%

Average one-way commute: 17.7 minutes for people who do not work from home.

Environment and hazard risk

Cache County, UT, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: earthquake

Storm events since 1996

183

Most often thunderstorm wind

Flood insurance policies

83

0.2% of homes, county

July high / Jan low

88° / 18°F

19.0 inches of rain a year

Hazards, floods and storm history Check a flood zone 66 historic places

Health statistics

Share of adults in Cache County, UT, CDC PLACES estimates

All 40 measures

Obesity

27.9%

U.S. 33.3% -5.4 pts

Diabetes

7.8%

U.S. 12.1% -4.3 pts

Smoking

8.1%

U.S. 12.8% -4.7 pts

Uninsured (18-64)

9.7%

U.S. 11.1% -1.4 pts

Cities, towns and ZIP codes in Cache County

Population shown

Frequently asked questions

What is the largest city in Cache County, UT?: Logan is the largest city or town in Cache County, with about 54,907 residents.
How many ZIP codes are in Cache County?: Cache County includes 18 ZIP Code Tabulation Areas, including 84304, 84305, 84308, 84318, 84319.
What is the population of Cache County, UT?: About 140,046 people live in Cache County, based on American Community Survey 5-year estimates.
What counties border Cache County?: Cache County borders Weber County, Box Elder County, Franklin County, ID, Bear Lake County, ID, Oneida County, ID, Rich County.