2018 Population Estimates – Sherman County and Incorporated Cities

by Dallas Fridley

January 28, 2019

Portland State University’s Population Research Center recently released their certified population estimates for Oregon, its counties, and incorporated cities. From July 1, 2017 to July 1, 2018, Sherman County lost 15 residents, falling to 1,785.

Oregon’s population grew by 54,200 residents in 2018 to total 4,195,300, an increase of 1.3 percent. Since 2012, Oregon’s population rose by 311,565 residents, an increase of 8.0 percent or 1.3 percent annually.
Annual population growth in Sherman County ranged from an increase of 0.8 percent or 15 residents in 2013 to a loss of 0.8 percent or 15 residents in 2018. Since 2012, Sherman County’s resident population rose by 20, an increase of just 1.1 percent or 0.2 percent annually.

The City of Wasco led incorporated areas in 2018, rising by five residents to total 425. The cities of Grass Valley (165 residents), Rufus (280), and Moro (330), held their own in 2018. Sherman County’s unincorporated areas lost 20 residents in 2018, falling to 585 (-3.3%).

Unincorporated areas represented about one-third of Sherman County’s population in 2018, followed by the City of Wasco at 24 percent. The City of Moro, with 18 percent of Sherman County’s residents, and the City of Rufus, with 16 percent, were similarly sized, while the City of Grass Valley held about 9 percent.
The City of Rufus led Sherman County’s population growth since 2012, rising by 25 residents. The City of Wasco increased its population by 15 residents and the City of Moro rose by five, while the City of Grass Valley held steady. Since 2012, unincorporated areas lost 25 residents.


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