Boone County Population 2018

Boone County's estimated population is 26,484 with a growth rate of 0.25% in the past year according to the most recent United States census data. Boone County is the 23rd largest county in Iowa.

Year Population Growth Growth Rate
201726,484650.25%
201626,419-20-0.08%
201526,4391570.60%
201426,282-1-0.00%
201326,2831460.56%
201226,137-149-0.57%
201126,286160.06%
201026,2701,0844.30%
199025,186-998-3.81%
198026,184-286-1.08%
197026,470-1,567-5.59%
196028,037-102-0.36%
195028,139-1,643-5.52%
194029,7825111.75%
193029,271-621-2.08%
192029,8922,2668.20%
191027,626-574-2.04%
190028,2004,42818.63%
189023,7722,93414.08%
188020,8386,25442.88%
187014,58410,352244.61%
18604,2323,497475.78%
18507350.00%

Boone County Population Growth

Population Data via

Boone County Race Data

Race Population Percentage
White25,70197.04%
Two or More Races3171.20%
Black or African American3101.17%
Asian1270.48%
American Indian and Alaska Native1120.42%
Native Hawaiian and Other Pacific Islander40.02%

Boone 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