Jefferson County ID Information


Jefferson County Subdivisions

Jefferson County ID Data & Demographics (As of July 1, 2016)


Total Population 27,946
Population in Households 27,835
Population in Familes 25,536
Population in Group Qrtrs 111
Population Density1 26
Diversity Index2 34


Total Households 8,581
Average Household Size 3.24
Family Households 7,019
Average Family Size 4


Total Housing Units 9,216 (100%)
Owner Occupied HU 6,929 (75.2%)
Renter Occupied HU 1,652 (17.9%)
Vacant Housing Units 635 ( 6.9%)
Median Home Value $171,279
Average Home Value $201,772


Median Household Income $54,032
Average Household Income $66,981
Per Capita Income $20,673
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.07% 0.81%
Households 0.84% 0.72%
Families 0.75% 0.67%
Median Household Income   2.15%
Per Capita Income   1.85%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Jefferson County ID - Peer Comparisons by Rank and Percentile

The table below compares Jefferson County to the other 44 counties and county equivalents in Idaho by rank and percentile using July 1, 2016 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 # 12 75th
Population Density1 # 14 70th
Diversity Index2 # 20 57th
Median Household Income # 3 95th
Per Capita Income # 24 48th

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