Benton County Population 2018

Benton County's estimated population is 198,171 with a growth rate of 2.42% in the past year according to the most recent United States census data. Benton County is the 10th largest county in Washington.

Year Population Growth Growth Rate
2017198,1714,6872.42%
2016193,4843,3141.74%
2015190,1703,7312.00%
2014186,4392,0591.12%
2013184,3801,9891.09%
2012182,3911,9791.10%
2011180,4123,9522.24%
2010176,46063,90056.77%
1990112,5603,1162.85%
1980109,44441,90462.04%
197067,5405,4708.81%
196062,07010,70020.83%
195051,37039,317326.20%
194012,0531,10110.05%
193010,952490.45%
192010,9032,96637.37%
19107,9370.00%

Benton County Population Growth

Population Data via

Benton County Race Data

Race Population Percentage
White172,87287.23%
Asian6,0483.05%
Two or More Races5,5262.79%
Black or African American3,1831.61%
American Indian and Alaska Native2,2901.16%
Native Hawaiian and Other Pacific Islander4180.21%

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