Union
Census-designated place in Mason County, Washington

Union is an unincorporated community (census-designated place) in Mason County, Washington, with 683 residents (2020 Census). It sits at 148 ft (45 m) above sea level. The nearest town is Skokomish, 3.3 miles SW.
- 683residents (2020 Census)
- 148 ftelevation · 45 m
- 1.6 sq miland area · 4.2 km²
- 421 / sq mipopulation density
- 98592ZIP code
About Union
Union or Union City is a small census-designated place in Mason County, Washington, United States. The community lies along the southern shore of the Great Bend of the Hood Canal, near the mouth of the Skokomish River, which flows from the nearby Olympic Mountains. As of the 2020 census, Union had a population of 683. The ZIP Code for Union is 98592.
State Route 106 is the main route through Union, leading to Belfair farther north, and Potlatch and US Highway 101 to the south.
Text: Wikipedia · CC BY-SA 4.0
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Living in Union
- Median home value
- $375,400
- Median age
- 71.7
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Map of Union
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Open in Google Maps ›Union, WA population
Union had 683 residents in the 2020 Census.
| 2020 Census | 683 |
|---|---|
| Density | 421 per sq mi (162 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Union at a glance
| State | Washington (WA) |
|---|---|
| County | Mason County |
| Type | Census-designated place |
| Population | 683 (2020) |
| Land area | 1.62 sq mi (4.2 km²) |
| Elevation | 148 ft (45 m) |
| Coordinates | 47.3475° N, 123.0951° W |
| ZIP code | 98592 |
| Census code (GEOID) | 5373255 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Union
- Skokomish3.3 mi SW
- Hoodsport4.7 mi NW
- Shelton8.5 mi S
- Grapeview12.3 mi E
- Allyn12.3 mi E
- Belfair13.2 mi NE
- Herron Island13.5 mi SE
- Vaughn14.7 mi E
- Home15.1 mi E
- Key Center16.4 mi E
- Longbranch17.6 mi SE
- Stansberry Lake18.1 mi E
Straight-line distance between town centers.
Frequently asked questions about Union
What county is Union in?
Union is in Mason County, Washington.
What is the population of Union, WA?
683 people lived in Union at the 2020 Census.
What is the ZIP code of Union, WA?
The ZIP code of Union is 98592.
What is the elevation of Union?
148 feet (45 m) above sea level.
What towns are near Union?
Skokomish (3.3 mi), Hoodsport (4.7 mi), Shelton (8.5 mi), Grapeview (12.3 mi), Allyn (12.3 mi).
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