Madison County ID Information


Madison County Subdivisions

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


Total Population 40,893
Population in Households 39,950
Population in Familes 29,333
Population in Group Qrtrs 943
Population Density1 87
Diversity Index2 27


Total Households 11,614
Average Household Size 3.44
Family Households 8,570
Average Family Size 3


Total Housing Units 12,709 (100%)
Owner Occupied HU 5,213 (41.0%)
Renter Occupied HU 6,401 (50.4%)
Vacant Housing Units 1,095 ( 8.6%)
Median Home Value $191,933
Average Home Value $220,716


Median Household Income $32,254
Average Household Income $50,103
Per Capita Income $14,358
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.38% 1.37%
Households 1.46% 1.4%
Families 1.34% 1.33%
Median Household Income   2.41%
Per Capita Income   1.8%
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.


Madison County ID - Peer Comparisons by Rank and Percentile

The table below compares Madison 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 # 9 82nd
Population Density1 # 4 93rd
Diversity Index2 # 26 43rd
Median Household Income # 44 2nd
Per Capita Income # 44 2nd

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