Twin Falls County ID Information


Twin Falls County Subdivisions

Twin Falls County ID Data & Demographics (As of July 1, 2018)


Total Population 86,625
Population in Households 85,632
Population in Familes 70,358
Population in Group Qrtrs 993
Population Density2 45
Diversity Index3 46


Median Household Income $47,083
Average Household Income $60,737
Per Capita Income $22,623


Total Housing Units 34,244 (100%)
Owner Occupied HU 21,658 (63.2%)
Renter Occupied HU 10,352 (30.2%)
Vacant Housing Units 2,234 ( 6.5%)
Median Home Value $173,640
Average Home Value $243,296


Total Households 32,010
Average Household Size 2.68
Family Households 21,859
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.4% 1.47%
Households 1.31% 1.41%
Families 1.11% 1.29%
Median Household Income   1.89%
Per Capita Income   1.98%


Twin Falls County ID - Peer Comparisons by Rank and Percentile

The table below compares Twin Falls County to the other 44 counties and county equivalents in Idaho by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 6 89th
Population Density # 9 82nd
Diversity Index # 16 66th
Median Household Income # 19 59th
Per Capita Income # 21 55th

Additional comparisons and rankings can be made with a VERY EASY TO USE Idaho Census Data Comparison Tool.