Columbia County Population 2017

Columbia County's estimated population is 50,785 with a growth rate of 2.46% in the past year according to the most recent United States census data. Columbia County is the 17th largest county in Oregon.

Year Population Growth Growth Rate
201650,7851,2202.46%
201549,5651130.23%
201449,4522280.46%
201349,224230.05%
201249,201-163-0.33%
201149,364120.02%
201049,35211,79531.41%
199037,5571,9115.36%
198035,6466,85623.81%
197028,7906,41128.65%
196022,379-588-2.56%
195022,9671,9969.52%
194020,9719244.61%
193020,0476,08743.60%
192013,9603,38031.95%
191010,5804,34369.63%
19006,2371,04620.15%
18905,1913,149154.21%
18802,0421,179136.62%
187086333162.22%
18605320.00%

Columbia County Population Growth

Population Data via

Columbia County Race Data

Race Population Percentage
White46,14990.87%
Two or More Races1,7823.51%
American Indian and Alaska Native7031.38%
Asian5241.03%
Black or African American2940.58%
Native Hawaiian and Other Pacific Islander1130.22%

Columbia County Population Pyramid

0k1k1k2k2kColumbia County Male Population0k1k1k2k2kColumbia County Female Population

Population of Cities in Columbia County

City 2010 Census 2016 Estimated Growth Growth Rate
Scappoose669771584616.88%
Vernonia21652194291.34%
Columbia City19461996502.57%
Rainier19161960442.30%
Clatskanie17471792452.58%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990