- county
- FIPS 49053
- Largest town: St. George
Washington County, Utah
Washington County had 207,943 residents in the Census Vintage 2024 estimate, on 2,427.6 square miles of land. It ranks 5th of 29 in Utah by population and 15th by land area.
- Population
- 207,943
- #5 of 29 in Utah · #344 in US
- Area
- 2,427.6 sq mi
- #15 of 29 in Utah · #225 in US
- Density
- 86 / sq mi
- #6 of 29 in Utah · #1,024 in US
- Median household income
- $78,094
- #13 of 29 in Utah · #542 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Washington County population, land area and income
Washington County had 207,943 residents in the Census Vintage 2024 estimate, on 2,427.6 square miles of land. It ranks 5th of 29 in Utah by population and 15th by land area. That works out to 85.7 people per square mile, near the US average of 96.3, and above the national county median.
The median county-equivalent in Utah has 20,803 residents, so Washington County is 10.0 times that size.
Its SAIPE 2023 median household income of $78,094 is in the top quarter among 3,143 counties with an estimate.
National rank among 3,144
Population
207,943
344th of 3,144 (US)
Land area
2,428 sq mi
225th of 3,144 (US)
Density
85.7 / sq mi
1024th of 3,144 (US)
Median household income
$78,094
542nd of 3,143 (US)
Rank within Utah (29)
Population
207,943
5th of 29 (UT)
Land area
2,428 sq mi
15th of 29 (UT)
Density
85.7 / sq mi
6th of 29 (UT)
Median household income
$78,094
13th of 29 (UT)
How Washington County's population changed since 2020
Washington County gained 25,914 residents between the July 2020 and July 2024 estimates, a rise of 14.2%. That ranks 3rd of 29 in Utah for growth. The median Utah county changed by +5.7%, and the state as a whole by +6.7%.
Since the April 2020 estimates base, Washington County recorded 9,690 births and 7,745 deaths, a natural change of +1,945. Net international migration added +1,147 and net domestic migration, people moving to or from other US counties, came to +24,938. The largest single component was domestic migration, which added 24,938 people.
Components of change, April 2020 to July 2024
- Births
- 9,690
- Deaths
- 7,745
- Net international migration
- +1,147
- Net domestic migration
- +24,938
- Change, July 2023 to July 2024
- +5,208
Where Washington County is
The Census internal point of Washington County is at 37.262500, -113.487800. It sits in UTM zone 12N. The map shades Utah's 29 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Washington County outlined. Dots are towns of 1,000+ people with residents in it.
- < +2.5%
- < +4.4%
- < +6.7%
- < +10.7%
- ≥ +10.7%
Orange pin: Washington County internal point. Dark pin: Salt Lake City.
Internal point
- Decimal
- 37.262500, -113.487800
- DMS
- 37°15'45.00"N 113°29'16.08"W
- UTM
- 12N 279389.9E 4126893.9N
- Geohash
- 9qx7cx2ty
- Plus code
- 85987G76+2V
Towns in Washington County
9 incorporated places of 1,000+ people have residents in Washington County, 196,466 people together, or 94% of the county. Each figure counts only the part of the town inside Washington County; towns marked "part" extend into another county. The largest is St. George with 106,288.
- 01St. George106,288
- 02Washington35,501
- 03Hurricane24,753
- 04Ivins11,108
- 05Santa Clara8,631
- 06La Verkin4,529
- 07Enterprise2,400
- 08Toquerville1,995
- 09Hildale1,261
Counties bordering Washington County
The Census 2024 county adjacency file lists 4 neighbors for Washington County, including 2 across a state line. The most populous is Mohave County, AZ, with 226,479 residents. Distances run between Census internal points in a straight line.
Distance to Salt Lake City and the nearest big city
Salt Lake City is 257.6 miles NNE of Washington County's internal point in a straight line. The nearest place of 100,000 or more is St. George, UT (population 106,288), 13.7 miles away. The nearest place of 10,000 or more is Washington, UT (population 35,501), 9.4 miles away.
Washington County FIPS code
The FIPS code of Washington County is 49053: state code 49 for Utah plus county code 053. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $78,094.
Questions people ask
What is the population of Washington County, Utah?
The Census Vintage 2024 estimate for July 1, 2024 is 207,943. That is up 25,914 people (14.2%) from the July 2020 estimate of 182,029.
What is the FIPS code of Washington County?
49053. The first two digits (49) are Utah; the last three (053) identify the county.
What is the largest town in Washington County?
St. George, with 106,288 residents inside Washington County in 2024.
Which counties border Washington County?
4 county-equivalents border it in the Census 2024 adjacency file: Mohave County, AZ; Iron County, UT; Kane County, UT; Lincoln County, NV.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 county adjacency file
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.