Blaine County Population 2018

Blaine County's estimated population is 21,791 with a growth rate of 1.13% in the past year according to the most recent United States census data. Blaine County is the 17th largest county in Idaho.

Year Population Growth Growth Rate
201621,7912431.13%
201521,5481380.64%
201421,4101320.62%
201321,2781710.81%
201221,107220.10%
201121,085-218-1.02%
201021,3037,75157.19%
199013,5523,71137.71%
19809,8414,09271.18%
19705,7491,15125.03%
19604,598-786-14.60%
19505,384891.68%
19405,2951,52740.53%
19303,768-705-15.76%
19204,473-3,914-46.67%
19108,3873,48771.16%
19004,9000.00%

Blaine County Population Growth

Population Data via

Blaine County Race Data

Race Population Percentage
White20,55094.30%
American Indian and Alaska Native3561.63%
Two or More Races2981.37%
Asian2241.03%
Black or African American890.41%
Native Hawaiian and Other Pacific Islander310.14%

Blaine 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