Irwin Flag

Irwin

County:
Shelby County
County Seat:
No
Area (mi²):
0.586
State:
Iowa

Irwin is a city located in Shelby County, Iowa. Irwin has a 2025 population of 320 . Irwin is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 320 in 2020.

The average household income in Irwin is $67,184 with a poverty rate of 12.93%. The median age in Irwin is 46.6 years: 29 years for males, and 53.2 years for females. For every 100 females there are 137.6 males.

320
Total Population
546
Density (mi²)

Irwin Population

Irwin Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Irwin includes 92.93% White, and smaller percentages for other race and multiracial populations.

Population by Race

White (92.93%)

Two or more races (5.39%)

Other race (1.68%)

Race
Population
Percentage (of total)
White27692.93%
Two or more races165.39%
Other race51.68%

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 $48,438. Household income levels show a median of $47,917. The poverty rate stands at 12.93%.

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$115,938-
Families$106,250$91,671
Households$47,917$67,184
Non Families$31,181$38,662

$48,438

Average Income

$47,917

Median Household Income

12.93%

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)