Boundary County vs Franklin County

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

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

Franklin County has the higher population (14,715 vs 12,695 in Boundary County). Franklin County has the higher median household income ($65,991 vs $62,438 in Boundary County). Boundary County has the higher median home value ($344,100 vs $304,000 in Franklin County).

Population, income & housing

	Boundary County	Franklin County
Population	12,695	14,715
Median age	42.8 yrs	32.5 yrs
Median household income	$62,438	$65,991
Median home value	$344,100	$304,000
Median gross rent	$867	$831
Housing units	5,535	5,122
Homeownership rate	78.0%	75.2%
Bachelor's degree or higher	19.6%	21.5%
Unemployment rate	3.3%	1.8%

Trends (ACS 5-year, 2019–2023)

	Boundary County	Franklin County
Population	11,845 → 12,695 (+7.2%)	13,464 → 14,715 (+9.3%)
Median household income	$43,423 → $62,438 (+43.8%)	$57,215 → $65,991 (+15.3%)
Median home value	$205,000 → $344,100 (+67.9%)	$211,900 → $304,000 (+43.5%)
Median gross rent	$613 → $867 (+41.4%)	$680 → $831 (+22.2%)

Boundary County

Population

11,84512,695

Median household income

$43,423$62,438

Median home value

$205,000$344,100

Median gross rent

$613$867

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

Age & race/ethnicity

Age distribution (share)

	Boundary County	Franklin County
Under 5	6.5%	7.6%
5 to 17	16.9%	23.3%
18 to 24	7.6%	9.1%
25 to 34	10.4%	12.0%
35 to 44	10.8%	12.5%
45 to 54	10.9%	10.8%
55 to 64	13.4%	10.6%
65 to 74	15.2%	8.2%
75 and over	8.3%	6.0%

Race & ethnicity (share)

	Boundary County	Franklin County
White (non-Hispanic)	87.0%	89.8%
Black or African American	0.7%	0.0%
American Indian & Alaska Native	1.6%	0.1%
Asian	1.6%	0.0%
Native Hawaiian & Pacific Islander	0.1%	0.1%
Some other race	0.2%	0.4%
Two or more races	3.4%	2.2%
Hispanic or Latino	5.6%	7.3%

Educational attainment (age 25+)

Share of adults 25+

	Boundary County	Franklin County
No high school diploma	12.8%	6.0%
High school graduate	32.6%	42.7%
Some college or associate's	35.1%	29.8%
Bachelor's degree	11.8%	15.2%
Graduate or professional degree	7.7%	6.3%

Commute to work

How workers get to work (share)

	Boundary County	Franklin County
Drove alone	74.4%	75.7%
Carpooled	11.2%	9.7%
Public transit	0.0%	0.2%
Walked	4.9%	2.6%
Bicycle	0.8%	0.2%
Worked from home	8.5%	11.3%
Other means	0.3%	0.5%

Housing

Units in structure (share)

	Boundary County	Franklin County
1-unit, detached	82.4%	85.1%
1-unit, attached	0.0%	1.0%
2 to 4 units	2.7%	7.4%
5 to 19 units	2.0%	1.7%
20 or more units	1.3%	0.4%
Mobile home & other	11.6%	4.5%

Poverty & households

	Boundary County	Franklin County
Poverty rate	17.2%	8.4%
Average household size	2.59	3.01
Mean commute (minutes)	21	25
Median year structure built	1990	1972