Benton County Population 2018

Benton County's estimated population is 25,642 with a growth rate of 0.00% in the past year according to the most recent United States census data. Benton County is the 24th largest county in Iowa.

Year Population Growth Growth Rate
201725,64210.00%
201625,641300.12%
201525,611-19-0.07%
201425,630-76-0.30%
201325,706-130-0.50%
201225,836-243-0.93%
201126,079300.12%
201026,0493,62016.14%
199022,429-1,220-5.16%
198023,6497643.34%
197022,885-537-2.29%
196023,4227663.38%
195022,656-223-0.97%
194022,879280.12%
193022,851-1,229-5.10%
192024,0809243.99%
191023,156-2,021-8.03%
190025,1779994.13%
189024,178-710-2.85%
188024,8882,43410.84%
187022,45413,958164.29%
18608,4967,8241164.29%
18506720.00%

Benton County Population Growth

Population Data via

Benton County Race Data

Race Population Percentage
White25,10997.92%
Two or More Races2701.05%
Black or African American1310.51%
Asian880.34%
American Indian and Alaska Native550.21%
Native Hawaiian and Other Pacific Islander100.04%

Benton County Population Pyramid

0k0k0k1k1k1k Male Population0k0k0k1k1k1k 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