Washington County, Utah Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 5th-largest in Utah
The population of Washington County, Utah is 189,827 as of the 2023 American Community Survey, making it the 5th-largest county in Utah. The median household income is $76,411, the median home value is $465,600, and the median age is 39.0.
The population of Washington County has grown 50.3% since 2010 (138,397 → 207,943), a +2.95% annualized rate.
189,827
Population
+2.95%
Annual growth
78
People / sq mi
$76,411
Median Income
$465,600
Median Home Value
Washington County covers 2,428 sq mi of land at 78.2 people per square mile.
About Washington County, UT
In Washington County, home values do the distinguishing — a median of $465,600. With 189,827 residents, Washington County is a county in Utah. It is the #5-largest of all counties in Utah nationally.
Median household income is $76,411, near the US median of $78,538. Only 6.5% of residents live in poverty, below the national 12.4%. Housing is expensive: the median home is worth $465,600, with typical rent around $1,464.
Educational attainment is on the higher side for US counties — 33.3% of adults hold a four-year degree, near the national 35.0%. Remote work is on the higher side at 13.1%, below the national 14.0%, and the average commute runs about 19 minutes each way.
High housing values reframe the income picture in Washington County — even solid earnings stretch less against home prices and rents at this level.
Washington County Population History (2010-2024)
The county of Washington County had a population of 138,397 in 2010 and 207,943 in 2024, a 50.3% growth over 14 years. The peak was 207,943 in 2024. Average annual growth rate: 2.95%.
207,943
Population (2024)
138,397
Population (2010)
207,943
Peak (2024)
2.95%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 138,397 |
| 2011 | 141,288 |
| 2012 | 144,216 |
| 2013 | 147,099 |
| 2014 | 151,231 |
| 2015 | 154,839 |
| 2016 | 159,537 |
| 2017 | 166,195 |
| 2018 | 172,051 |
| 2019 | 177,938 |
| 2020 | 182,029 |
| 2021 | 191,552 |
| 2022 | 197,898 |
| 2023 | 202,735 |
| 2024 | 207,943 |
Race & Ethnicity
| White | 85.9% |
| Black or African American | 0.5% |
| Asian | 0.3% |
| Hispanic or Latino (any race) | 2.2% |
| Two or More Races | 0.2% |
Age & Sex
39.0
Median Age
50.1%
Female
49.9%
Male
22.1%
Age 65+
Age Distribution
Children (under 15): 20.2% · Seniors (65+): 22.1%
Income & Poverty
| Median household income | $76,411$-15,339 vs state |
| Mean household income | $104,854 |
| Per-capita income | $37,962 |
| Poverty rate | 6.5%+0.8% vs state |
| Unemployment rate | 1.9% |
| Employment-to-population | 55.4% |
Top Industries by Employment
The largest employment sector in Washington County is professional & business services, accounting for 24.7% of workers.
How residents commute
0.4%
Drive alone
1.5%
Carpool
73.1%
Public transit
13.1%
Work from home
18.9 min
Avg commute
Housing
$465,600+$10,600 vs state
Median home value
$1,464
Median rent
72.6%
Homeownership rate
78,993
Total housing units
84.7%
Occupied
15.3%
Vacant
27.4%
Renter-occupied
Social & access
88.1%
With health insurance
96.8%
With broadband internet
40.1%
Foreign-born
7.4%
Veterans (18+)
12.8%
With a disability
89.1%
Speak language other than English at home
Education
94.3%
High School+
33.3%
Bachelor's+
Largest cities in Utah
Other counties in Utah
Part of Utah
Metro areas in Utah
County rankings
Frequently Asked Questions
Washington County, Utah has a population of 189,827 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 5th-largest county in Utah. Population density is 78 people per square mile.
The population of Washington County has grown 50.3% since 2010 (138,397 → 207,943), a +2.95% annualized rate.
The median household income in Washington County, Utah is $76,411, with mean (average) household income of $104,854 and per-capita income of $37,962. 6.5% of residents live below the federal poverty level.
In Washington County, the largest racial and ethnic groups are White (85.9%), Hispanic or Latino (2.2%), Black or African American (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Washington County, Utah is 39.0 years. Residents are 50.1% female and 49.9% male.
The median home value in Washington County is $465,600 and median monthly rent is $1,464. 72.6% of occupied housing units are owner-occupied. The county has 78,993 total housing units, 15.3% of which are vacant.
The largest employment sector in Washington County, Utah is professional, scientific, and management services, employing 24.7% of workers. The unemployment rate is 1.9%.
Salt Lake City is among the largest cities associated with Washington County, Utah, with a population of 203,888.
Washington County, UT Climate
Washington County, UT has an average annual temperature of 9.7°C (49°F) and receives about 445 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.7°C
Avg Temp
445
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 1° / 33° | 43 mm |
| February | 2° / 35° | 49 mm |
| March | 4° / 39° | 60 mm |
| April | 7° / 45° | 33 mm |
| May | 12° / 53° | 23 mm |
| June | 17° / 63° | 13 mm |
| July | 21° / 70° | 36 mm |
| August | 20° / 69° | 42 mm |
| September | 16° / 62° | 34 mm |
| October | 11° / 51° | 31 mm |
| November | 5° / 40° | 41 mm |
| December | 1° / 34° | 40 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Washington County, UT
The most comfortable months to visit Washington County, UT are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -6°C low). March is usually the wettest month.
Where to stay near Washington County
Visiting or relocating to Washington County, UT? Compare hotels and short-term rentals across the county — live availability and prices.
Top-rated places to stay near Washington County
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a move to Washington County?
Get relocation and cost-of-living insights for Washington County, UT by email. No spam, unsubscribe anytime.
More from Utah
Population 1,184,689
Population 683,622
Population 366,742
Population 266,183
Full rankings of Utah counties
Statewide data for Utah
Population, race, income, age, and trends across Utah
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.