South Union, Washington
South Union: Situated within Thurston County at an elevation of approximately 200 feet, this rural unincorporated community lies south of Olympia near the Deschutes River.
About
South Union is a city located in the county of Thurston in the U.S. state of Washington.
Quick Facts about South Union
| State | Washington (United States) |
| County | Thurston County |
| Latitude & Longitude | 46.9432,-122.9074 |
| Time Zone | America/Los_Angeles |
| Local time | 05:48:35 (10th June 2026) |
| Weather | 45℉ Chance Light Rain 7-days weather |
Geography
South Union is located at 46°56'35"N 122°54'26"W (46.9431500, -122.9073600).
South Union map
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Weather
A chance of rain before 3am. Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. Southwest wind around 7 mph. Chance of pre...
7-Day ForecastNearby Schools and Colleges
Schools and campuses linked to South Union, WA. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 236656 | South Puget Sound Community College | Olympia (WA) | 98512-6292 |
Nearby Transit Stations (10)
Rail and bus stations connected to South Union, WA. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| OLW | Centennial Station | 6600 Yelm Highway S.E. | RAIL |
| CTL | Centralia station | 210 Railroad Avenue | RAIL |
| TAC | Tacoma Dome Station | 1001 Puyallup Avenue | RAIL |
| TUK | Tukwila station | 7301 South 158th St. | RAIL |
| SEA | King Street Station | 303 South Jackson Street | RAIL |
Closest post offices linked to South Union.
| Post Office Name | City | ZIP |
|---|---|---|
| Olympia Carrier Annex Post Office | Tumwater (WA) | 98501 |
Other cities in Thurston County
Cities, towns, neighborhoods & other populated places in Thurston County , WA.
| City Name | Population | Title |
|---|---|---|
| Lacey | 54,178 | The most populous city in Thurston County, Washington. |
| Olympia | 53,620 | The capital of Washington state. |
| Tumwater | 24,272 | City in Thurston County, Washington, United States |
| Yelm | 9,591 | City in Thurston County, Washington, United States |
| Grand Mound | 2,981 | City in Thurston County, Washington, United States |
| North Yelm | 2,906 | Census designated place |
| Rainier | 2,350 | City in Thurston County, Washington, United States |
| Tenino | 1,867 | City in Thurston County, Washington, United States |
| Bucoda | 591 | Town of the United States |