US Census Data

Franklin County vs Idaho County

A side-by-side comparison of Franklin County and Idaho County: population, income, housing, and more.

Franklin County and Idaho County are counties in Idaho. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Idaho County has the higher population (17,120 vs 14,715 in Franklin County). Franklin County has the higher median household income ($65,991 vs $60,975 in Idaho County). Franklin County has the higher median home value ($304,000 vs $284,600 in Idaho County).

Population, income & housing

Franklin CountyIdaho County
Population14,71517,120
Median age32.5 yrs49.6 yrs
Median household income$65,991$60,975
Median home value$304,000$284,600
Median gross rent$831$797
Housing units5,1228,881
Homeownership rate75.2%80.1%
Bachelor's degree or higher21.5%22.0%
Unemployment rate1.8%3.7%

Trends (ACS 5-year, 2019–2023)

Franklin CountyIdaho County
Population13,464 → 14,715 (+9.3%)16,411 → 17,120 (+4.3%)
Median household income$57,215 → $65,991 (+15.3%)$41,516 → $60,975 (+46.9%)
Median home value$211,900 → $304,000 (+43.5%)$173,200 → $284,600 (+64.3%)
Median gross rent$680 → $831 (+22.2%)$682 → $797 (+16.9%)

Franklin County

Population
13,46414,715
Median household income
$57,215$65,991
Median home value
$211,900$304,000
Median gross rent
$680$831

Idaho County

Population
16,41117,120
Median household income
$41,516$60,975
Median home value
$173,200$284,600
Median gross rent
$682$797

Age & race/ethnicity

Age distribution (share)

Franklin CountyIdaho County
Under 57.6%5.4%
5 to 1723.3%14.4%
18 to 249.1%6.0%
25 to 3412.0%9.9%
35 to 4412.5%9.7%
45 to 5410.8%10.2%
55 to 6410.6%15.9%
65 to 748.2%17.5%
75 and over6.0%11.1%

Race & ethnicity (share)

Franklin CountyIdaho County
White (non-Hispanic)89.8%89.9%
Black or African American0.0%0.1%
American Indian & Alaska Native0.1%2.3%
Asian0.0%0.5%
Native Hawaiian & Pacific Islander0.1%0.0%
Some other race0.4%0.0%
Two or more races2.2%3.4%
Hispanic or Latino7.3%3.8%

Educational attainment (age 25+)

Share of adults 25+

Franklin CountyIdaho County
No high school diploma6.0%8.2%
High school graduate42.7%34.1%
Some college or associate's29.8%35.8%
Bachelor's degree15.2%16.2%
Graduate or professional degree6.3%5.8%

Commute to work

How workers get to work (share)

Franklin CountyIdaho County
Drove alone75.7%72.3%
Carpooled9.7%10.3%
Public transit0.2%0.0%
Walked2.6%6.4%
Bicycle0.2%0.3%
Worked from home11.3%9.4%
Other means0.5%1.3%

Housing

Units in structure (share)

Franklin CountyIdaho County
1-unit, detached85.1%79.1%
1-unit, attached1.0%0.6%
2 to 4 units7.4%2.6%
5 to 19 units1.7%2.2%
20 or more units0.4%0.2%
Mobile home & other4.5%15.3%

Poverty & households

Franklin CountyIdaho County
Poverty rate8.4%10.8%
Average household size3.012.51
Mean commute (minutes)2520
Median year structure built19721979

Full profiles

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