Natural Increase Led Umatilla County’s Population Growth from 2010 to 2016

by Dallas Fridley

May 9, 2017

Portland State University’s Population Research Center recently released its 2016 annual Oregon population report tables, which report components of population change: net migration; births; deaths; and natural increase ( Umatilla County’s population growth rate from 2010 to 2016 ranked as Oregon’s 12th fastest, at 5.3 percent, just ahead of Jackson County. Umatilla County’s population rose to 79,880 in 2016, an increase of 3,991 residents since 2010.
Despite ranking in the upper third of Oregon counties, Umatilla County’s population growth from 2010 to 2016 fell more than a full percentage point shy of Oregon’s 6.4 percent gain. Net migration provided the underlying strength Oregon relied upon from 2010 to 2016. Oregon’s population rose by 245,276 with just over 70 percent of its growth attributed to net migration. From 2010 to 2016, Oregon gained about 45 net migrants per 1,000 residents (2010) to reach 4,076,350.

Umatilla County’s net migration in Oregon ranked quite low from 2010 to 2016, in 31st position. Umatilla County gained 15.5 net migrants per 1,000 residents – well below top ranking Deschutes County’s 104.7 per 1,000. Net migration represented 29.5 percent of Umatilla County’s population growth, well below Oregon’s 70.1 percent.
Umatilla County achieved a much higher birth rate than Oregon, ranking second at 89.4 births per 1,000 residents Umatilla County fell slightly below Oregon’s death rate, at 56.3 per 1,000, although 30 Oregon counties had a higher death rate from 2010 to 2016. Umatilla County’s rate of natural increase (births minus deaths) ranked third in Oregon from 2010 to 2016, at 37.1 per 1,000, just behind Morrow County’s 47.0 per 1,000. Washington County led Oregon from 2010 to 2016 with a natural increase of 47.3 per 1,000.

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