Blaine County ID Information


Blaine County Subdivisions

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


Total Population 21,658
Daytime Population: Workers 14,677
Daytime Population: Residents 8,277
Total Daytime Population (TDP) 22,954
Ratio TDP/Total Population1 1.06
Population in Households 21,400
Population in Familes 16,668
Population in Group Qrtrs 258
Population Density2 8
Diversity Index3 54


Median Household Income $64,534
Average Household Income $83,001
Per Capita Income $34,432


Total Housing Units 15,712 (100%)
Owner Occupied HU 5,880 (37.4%)
Renter Occupied HU 3,056 (19.5%)
Vacant Housing Units 6,776 (43.1%)
Median Home Value $530,372
Average Home Value $612,798


Total Households 8,936
Average Household Size 2.39
Family Households 5,582
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 0.18% 0.21%
Households 0.18% 0.21%
Families 0.02% 0.1%
Median Household Income   2.37%
Per Capita Income   2.67%


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, 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 # 17 64th
Population Density # 24 48th
Diversity Index # 11 77th
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.