Cassia County Population 2018

Cassia County's estimated population is 23,664 with a growth rate of 0.86% in the past year according to the most recent United States census data. Cassia County is the 14th largest county in Idaho.

Year Population Growth Growth Rate
201723,6642020.86%
201623,46220.01%
201523,460-18-0.08%
201423,4781840.79%
201323,294650.28%
201223,2291300.56%
201123,099270.12%
201023,0723,54018.12%
199019,5321050.54%
198019,4272,41014.16%
197017,0178965.56%
196016,1211,49210.20%
195014,6291991.38%
194014,4301,31410.02%
193013,116-2,543-16.24%
192015,6598,462117.58%
19107,1973,24682.16%
19003,95180825.71%
18903,1431,831139.56%
18801,3120.00%

Cassia County Population Growth

Population Data via

Cassia County Race Data

Race Population Percentage
White22,32794.35%
Two or More Races4261.80%
American Indian and Alaska Native3591.52%
Asian1860.79%
Black or African American1530.65%
Native Hawaiian and Other Pacific Islander460.19%

Cassia County Population Pyramid

0k0k0k1k1k1k1k Male Population0k0k0k1k1k1k1k 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