Twin Falls County Population 2018

Twin Falls County's estimated population is 83,514 with a growth rate of 1.71% in the past year according to the most recent United States census data. Twin Falls County is the 6th largest county in Idaho.

Year Population Growth Growth Rate
201683,5141,4071.71%
201582,1071,1801.46%
201480,9271,1391.43%
201379,7881,3481.72%
201278,4403900.50%
201178,0505110.66%
201077,53923,95944.72%
199053,5806531.23%
198052,92711,12026.60%
197041,807-35-0.08%
196041,8428632.11%
195040,9794,57612.57%
194036,4036,57522.04%
193029,8281,4305.04%
192028,39814,855109.69%
191013,5430.00%

Twin Falls County Population Growth

Population Data via

Twin Falls County Race Data

Race Population Percentage
White77,57192.88%
Two or More Races1,4881.78%
Asian1,1981.43%
American Indian and Alaska Native1,0251.23%
Black or African American6020.72%
Native Hawaiian and Other Pacific Islander2230.27%

Twin Falls County Population Pyramid

0k1k1k2k2k3k3k4k Male Population0k1k1k2k2k3k3k4k 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