US Census Data

Franklin County vs Island County

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

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

Franklin County has the higher population (97,676 vs 86,747 in Island County). Island County has the higher median household income ($88,358 vs $82,755 in Franklin County). Island County has the higher median home value ($535,300 vs $345,700 in Franklin County).

Population, income & housing

Franklin CountyIsland County
Population97,67686,747
Median age30.8 yrs44.5 yrs
Median household income$82,755$88,358
Median home value$345,700$535,300
Median gross rent$1,171$1,631
Housing units30,48842,398
Homeownership rate70.1%74.6%
Bachelor's degree or higher20.4%35.7%
Unemployment rate5.3%4.7%

Trends (ACS 5-year, 2019–2023)

Franklin CountyIsland County
Population92,009 → 97,676 (+6.2%)82,866 → 86,747 (+4.7%)
Median household income$63,584 → $82,755 (+30.2%)$68,604 → $88,358 (+28.8%)
Median home value$202,400 → $345,700 (+70.8%)$358,800 → $535,300 (+49.2%)
Median gross rent$913 → $1,171 (+28.3%)$1,218 → $1,631 (+33.9%)

Franklin County

Population
92,00997,676
Median household income
$63,584$82,755
Median home value
$202,400$345,700
Median gross rent
$913$1,171

Island County

Population
82,86686,747
Median household income
$68,604$88,358
Median home value
$358,800$535,300
Median gross rent
$1,218$1,631

Age & race/ethnicity

Age distribution (share)

Franklin CountyIsland County
Under 58.3%4.9%
5 to 1723.2%12.7%
18 to 2410.2%8.6%
25 to 3414.6%12.8%
35 to 4414.0%11.7%
45 to 5411.0%9.6%
55 to 648.7%13.7%
65 to 746.5%15.7%
75 and over3.6%10.4%

Race & ethnicity (share)

Franklin CountyIsland County
White (non-Hispanic)37.7%76.6%
Black or African American1.8%2.6%
American Indian & Alaska Native0.2%0.7%
Asian1.5%4.8%
Native Hawaiian & Pacific Islander0.1%0.4%
Some other race0.7%0.2%
Two or more races3.1%6.2%
Hispanic or Latino54.8%8.5%

Educational attainment (age 25+)

Share of adults 25+

Franklin CountyIsland County
No high school diploma23.4%4.1%
High school graduate26.7%21.9%
Some college or associate's29.5%38.3%
Bachelor's degree12.7%21.5%
Graduate or professional degree7.7%14.3%

Commute to work

How workers get to work (share)

Franklin CountyIsland County
Drove alone76.4%69.7%
Carpooled13.7%9.9%
Public transit0.3%1.9%
Walked1.1%3.3%
Bicycle0.0%0.4%
Worked from home7.2%13.8%
Other means1.2%1.0%

Housing

Units in structure (share)

Franklin CountyIsland County
1-unit, detached73.2%78.5%
1-unit, attached3.1%3.1%
2 to 4 units4.7%5.5%
5 to 19 units6.1%4.4%
20 or more units5.2%1.9%
Mobile home & other7.7%6.7%

Poverty & households

Franklin CountyIsland County
Poverty rate13.0%7.0%
Average household size3.262.37
Mean commute (minutes)2227
Median year structure built19971990

Full profiles

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