Irwin Flag

Irwin

County Seat:
No
Area (mi²):
2.614
State:
Idaho

Irwin is a city located in Bonneville County, Idaho. Irwin has a 2025 population of 301. Irwin is currently growing at a rate of 2.73% annually and its population has increased by 14.45% since the most recent census, which recorded a population of 263 in 2020.

The average household income in Irwin is $72,044 with a poverty rate of 9.88%.The median age in Irwin is 57.4 years: 62.4 years for males, and 56.1 years for females.

301
Total Population
115
Density (mi²)
8 2.73%
Growth

Irwin Population

Irwin Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Irwin includes 83.79% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White21283.79%
Two or more races3513.83%
Other race62.37%

Irwin Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Irwin's average per capita income is $46,042. Household income levels show a median of $69,792. The poverty rate stands at 9.88%.

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$107,917$104,022
Married Families$84,167-
Households$69,792$72,044
Non Families-$37,569

$46,042

Average Income

$69,792

Median Household Income

9.88%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)