2018 Population Estimates – Morrow County and Incorporated Cities

by Dallas Fridley

January 16, 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, Morrow County lost five residents, falling to 11,885.
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.
Morrow County’s population growth slowed to a virtual standstill, but the pause in 2018 followed five years of relative stability. Annual population growth ranged from 0.9 percent to 1.2 percent between 2013 and 2017. Morrow County’s population growth peaked in 2017 at 1.2 percent, rising by 145 residents. Since 2012, Morrow County’s resident population rose by 585, an increase of 5.2 percent or 0.9 percent annually.

The City of Boardman led incorporated areas in 2018, rising by 135 residents or 3.8 percent to total 3,690. By contrast, Morrow County’s unincorporated areas lost 165 residents in 2018, falling to 4,315 (-1.4%). Annexation likely accounted for the unincorporated area loss and some or all of Boardman’s gain. The City of Irrigon gained 15 resident in 2018, rising by 0.8 percent and pushing its total to 1,990. The City of Lexington increased its population total by 10 residents or 3.9 percent to reach 265.

Unincorporated areas represented 36 percent of Morrow County’s population in 2018, followed by the City of Boardman with 31 percent. The cities of Irrigon (17%), Heppner (11%), Ione (3%) and Lexington (2%) together represented about one-third of Morrow County’s 2018 population.

Since 2012, unincorporated areas lost 60 residents. In contrast, the City of Boardman’s population rose by 455, representing about 78 percent of Morrow County’s gain. The City of Irrigon claimed 27 percent of Morrow County’s population growth since 2012, rising by 160 residents.


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