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Yankton is an 
Located on the Milton Creek watershed, Yankton was established by three Tarbell families. First the community was called "Yankeetown" and "Maineville" but became Yanktown when the post office was established in 1894. The Yankton School House was thought to have been built in 1887, and First Baptist Church of Maineville (a Conservative Baptist congregation known as Yankton Baptist Church from 1904 through 2005, and renamed Yankton Community Fellowship in 2005) was established on August 12, 1893.
Yankton today is served by St. Helens post office and is under ZIP Code 97051.
Yankton is located within the St. Helens School District, Columbia River People's Utility District,
unincorporated community
An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...
in Columbia County, Oregon
Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...
, United States.
Located on the Milton Creek watershed, Yankton was established by three Tarbell families. First the community was called "Yankeetown" and "Maineville" but became Yanktown when the post office was established in 1894. The Yankton School House was thought to have been built in 1887, and First Baptist Church of Maineville (a Conservative Baptist congregation known as Yankton Baptist Church from 1904 through 2005, and renamed Yankton Community Fellowship in 2005) was established on August 12, 1893.
Yankton today is served by St. Helens post office and is under ZIP Code 97051.
Yankton is located within the St. Helens School District, Columbia River People's Utility District, Portland Community College
Portland Community College (PCC) is a public community college in Portland, Oregon. It is the largest post-secondary institution in the state and serves residents in the five-county area of Multnomah, Washington, Yamhill, Clackamas, and Colu ...
District, Northwest Regional Educational Services District, Columbia Soil & Water Conservation District, Columbia Health District Public Health Authority, and Columbia River Fire & Rescue District.Columbia River Fire and Rescue (n.d.). Service area. Retrieved from http://www.crfr.com/service-area, accessed July 31, 2013.
References
External links
Unincorporated communities in Columbia County, Oregon Unincorporated communities in Oregon {{ColumbiaCountyOR-geo-stub