Lemhi County ID Information


Lemhi County Subdivisions

Lemhi County ID Data & Demographics (As of July 1, 2017)


Total Population 8,065
Daytime Population: Workers 3,891
Daytime Population: Residents 4,080
Total Daytime Population (TDP) 7,971
Ratio TDP/Total Population1 0.99
Population in Households 7,985
Population in Familes 6,245
Population in Group Qrtrs 80
Population Density2 2
Diversity Index3 17


Median Household Income $37,585
Average Household Income $53,186
Per Capita Income $24,274


Total Housing Units 4,930 (100%)
Owner Occupied HU 2,656 (53.9%)
Renter Occupied HU 998 (20.2%)
Vacant Housing Units 1,276 (25.9%)
Median Home Value $193,466
Average Home Value $234,431


Total Households 3,654
Average Household Size 2.19
Family Households 2,291
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 0.22% -0.06%
Households 0.3% -0.01%
Families 0.15% -0.11%
Median Household Income   0.24%
Per Capita Income   1.39%


Lemhi County ID - Peer Comparisons by Rank and Percentile

The table below compares Lemhi County to the other 44 counties and county equivalents in Idaho by rank and percentile using July 1, 2017 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 # 32 30th
Population Density # 39 14th
Diversity Index # 41 9th
Median Household Income # 38 16th
Per Capita Income # 11 77th

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