Blaine County ID Information


Blaine County Subdivisions

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


Total Population 22,157
Population in Households 21,899
Population in Familes 17,126
Population in Group Qrtrs 258
Population Density1 8
Diversity Index2 56


Median Household Income $65,873
Average Household Income $84,529
Per Capita Income $34,772


Total Housing Units 15,639 (100%)
Owner Occupied HU 5,848 (37.4%)
Renter Occupied HU 3,219 (20.6%)
Vacant Housing Units 6,572 (42.0%)
Median Home Value $571,308
Average Home Value $763,731


Total Households 9,067
Average Household Size 2.42
Family Households 5,621
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 0.44% 0.68%
Households 0.33% 0.62%
Families 0.1% 0.48%
Median Household Income   2.33%
Per Capita Income   1.83%


Blaine County ID - Peer Comparisons by Rank and Percentile

The table below compares Blaine 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 # 17 64th
Population Density # 24 48th
Diversity Index # 10 80th
Median Household Income # 1 100th
Per Capita Income # 1 100th

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