Twin Falls County Population 2018

Twin Falls County's estimated population is 85,124 with a growth rate of 1.90% 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
201785,1241,5881.90%
201683,5361,4771.80%
201582,0591,2231.51%
201480,8361,1521.45%
201379,6841,2601.61%
201278,4243830.49%
201178,0414850.63%
201077,55623,97644.75%
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
White77,57191.13%
Two or More Races1,4881.75%
Asian1,1981.41%
American Indian and Alaska Native1,0251.20%
Black or African American6020.71%
Native Hawaiian and Other Pacific Islander2230.26%

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