Bonneville County Flag

Bonneville County

State:
Idaho
County Seat:
Idaho Falls

Bonneville County's estimated 2025 population is 135,012 with a growth rate of 1.37% in the past year according to the most recent United States census data. Bonneville County is the 4th largest county in Idaho. The 2010 population was 104,682 and has seen a growth of 28.97% since that time.

135,012
Total Population
72
Population Density (mi²)
4
Population Rank (State)
1.8K 1.37%
Annual Population Growth

Bonneville County Population

Bonneville County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Bonneville County includes 85.35% White, 5.22% other race, and smaller percentages for Asian, Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White108,44685.35%
Two or more races9,1877.23%
Other race6,6325.22%
Asian1,1730.92%
Native American7420.58%
Black or African American6810.54%
Native Hawaiian or Pacific Islander1950.15%

Bonneville County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Bonneville County's average per capita income is $45,309. Household income levels show a median of $76,646. The poverty rate stands at 9.51%.

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
Married Families$100,707$124,578
Families$91,829$113,393
Households$76,646$99,403
Non Families$45,613$61,877

$45,309

Average Income

$76,646

Median Household Income

9.51%

Poverty Rate