What is the largest city in Washington County, UT?

St. George is the largest city or town in Washington County, with about 101,995 residents.

How many ZIP codes are in Washington County?

Washington County includes 21 ZIP Code Tabulation Areas, including 84720, 84722, 84725, 84733, 84737.

What is the population of Washington County, UT?

About 196,431 people live in Washington County, based on American Community Survey 5-year estimates.

What counties border Washington County?

Washington County borders Mohave County, AZ, Iron County, Kane County, Lincoln County, NV.

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

Population

196,431

Land area

2,428sq mi

People per sq mi

81

ZIP codes

21

Washington County at a glance

Washington County is 97% denser than Utah as a whole.
It is the 5th most populous of 29 counties in Utah.
Households here earn a median of $80,632 a year, 15% less than the Utah figure of $95,166.
A typical owner-occupied home is valued at $510,700 (4% above Utah) and median rent is $1,566 a month.
The biggest population centers are St. George (101,995), Washington (32,348) and Hurricane (22,771).

Local data for Washington County, UT

Counts from official public data

Housing and community stats

Washington County, UT, American Community Survey 2020-2024

Full profile

Median household income

$80,632

Poverty rate

9.8%

Median home value

$510,700

Prices +1.1% in a year

Median rent

$1,566/mo

Homeownership

71.6%

Bachelor's or higher

35.2%

Median age

39.1

Average commute

19.2 min

Largest reported origins and ancestries: German Americans (25,287), Mexican Americans (15,985), Irish Americans (15,824).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

3.8%

Aug 2026, 0.0 pts in a year

Average annual pay

$50,877

89,775 jobs, 2025

Income per person

$58,047

BEA, 2024

Federal spending

$1.4B

FY 2026, $7,656 per person

PPP loans

$378M

6,695 loans, 53,402 jobs reported

Campaign donations

$1M

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

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

Drove alone71.6%
Carpooled10.5%
Public transit0.5%
Walked1.7%
Bicycle0.5%
Taxi, ride-hailing, motorcycle or other1.3%
Worked from home14.0%

Average one-way commute: 19.2 minutes for people who do not work from home.

Environment and hazard risk

Washington County, UT, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: wildfire

Storm events since 1996

509

Most often flash flood

Flood insurance policies

250

0.3% of homes, county

July high / Jan low

92° / 28°F

14.2 inches of rain a year

Hazards, floods and storm history Check a flood zone 62 historic places

Health statistics

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

All 40 measures

Obesity

33.1%

U.S. 33.3% about the same

Diabetes

10.7%

U.S. 12.1% -1.4 pts

Smoking

8.0%

U.S. 12.8% -4.8 pts

Uninsured (18-64)

10.0%

U.S. 11.1% -1.1 pts

Cities, towns and ZIP codes in Washington County

Population shown

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Frequently asked questions

What is the largest city in Washington County, UT?: St. George is the largest city or town in Washington County, with about 101,995 residents.
How many ZIP codes are in Washington County?: Washington County includes 21 ZIP Code Tabulation Areas, including 84720, 84722, 84725, 84733, 84737.
What is the population of Washington County, UT?: About 196,431 people live in Washington County, based on American Community Survey 5-year estimates.
What counties border Washington County?: Washington County borders Mohave County, AZ, Iron County, Kane County, Lincoln County, NV.