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
Washington County is a county in Utah with a population of 189,827. It ranks #5 among counties in Utah by population. The median age is 39.0, in line with the national median. The population is 49.9% male and 50.1% female.
The median household income in Washington County is $76,411, near the US median of $74,580. 6.5% of residents live below the federal poverty level. Home values sit at a median of $465,600, with monthly rent averaging $1,464. The homeownership rate of 72.6% is higher than the national rate of 64.8%.
Educational attainment in Washington County reflects 33.3% of adults 25 and older holding a bachelor's degree or higher, near the national average of 34.3%. Roughly 13.1% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 18.9 minutes each way.
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.
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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.