Island Park

County:: Fremont County
County Seat:: No
Area (mi²):: 6.082
State:: Idaho

Island Park is a city located in Fremont County, Idaho. Island Park has a 2025 population of 192. Island Park is currently declining at a rate of 0% annually and its population has decreased by -1.03% since the most recent census, which recorded a population of 194 in 2020.

The average household income in Island Park is $83,047 with a poverty rate of 6.51%.The median age in Island Park is 67 years: 67.3 years for males, and 66.3 years for females.

Demographics

The racial composition of Island Park includes 94.08% White, 3.55% other race, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	159	94.08%
Other race	6	3.55%
Two or more races	4	2.37%

Island Park Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Island Park's average per capita income is $30,357. Household income levels show a median of $74,750. The poverty rate stands at 6.51%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Families	$91,094	$104,965
Married Families	$91,094	-
Households	$74,750	$83,047
Non Families	$30,714	$39,993

$30,357

Average Income

$74,750

Median Household Income

6.51%

Poverty Rate