Franklin County ID Information


Franklin County Subdivisions

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


Total Population 13,561
Daytime Population: Workers 3,540
Daytime Population: Residents 8,088
Total Daytime Population (TDP) 11,628
Ratio TDP/Total Population1 0.86
Population in Households 13,459
Population in Familes 12,266
Population in Group Qrtrs 102
Population Density2 20
Diversity Index3 25


Median Household Income $48,830
Average Household Income $61,957
Per Capita Income $20,070


Total Housing Units 4,836 (100%)
Owner Occupied HU 3,375 (69.8%)
Renter Occupied HU 974 (20.1%)
Vacant Housing Units 487 (10.1%)
Median Home Value $185,980
Average Home Value $227,259


Total Households 4,349
Average Household Size 3.09
Family Households 3,453
Average Family Size 4
  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 0.81% 0.85%
Households 0.89% 0.9%
Families 0.8% 0.85%
Median Household Income   1.45%
Per Capita Income   2.48%


Franklin County ID - Peer Comparisons by Rank and Percentile

The table below compares Franklin 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 # 22 52nd
Population Density # 19 59th
Diversity Index # 27 41st
Median Household Income # 10 80th
Per Capita Income # 33 27th

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