Benton County Population 2018

Benton County's estimated population is 90,951 with a growth rate of 1.85% in the past year according to the most recent United States census data. Benton County is the 11th largest county in Oregon.

Year Population Growth Growth Rate
201790,9511,6551.85%
201689,2961,1901.35%
201588,1061,1501.32%
201486,9561,0221.19%
201385,934-434-0.50%
201286,3683920.46%
201185,9764150.49%
201085,56114,75020.83%
199070,8112,6003.81%
198068,21114,43526.84%
197053,77614,61137.31%
196039,1657,59524.06%
195031,57012,94169.47%
194018,6292,07412.53%
193016,5552,81120.45%
192013,7443,08128.89%
191010,6633,95759.01%
19006,706-1,944-22.47%
18908,6502,24735.09%
18806,4031,81939.68%
18704,5841,51049.12%
18603,0742,260277.64%
18508140.00%

Benton County Population Growth

Population Data via

Benton County Race Data

Race Population Percentage
White77,32785.02%
Asian5,6366.20%
Two or More Races3,2323.55%
Black or African American1,0441.15%
American Indian and Alaska Native7870.87%
Native Hawaiian and Other Pacific Islander2450.27%

Benton County Population Pyramid

0k2k4k6k8k Male Population0k2k4k6k8k Female Population8580757065605550454035302520151050
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