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 2026 population of 320. Irwin is currently growing at a rate of 0.31% annually and its population has decreased by 0% since the most recent census, which recorded a population of 320 in 2020.

320
Total Population
546
Density (mi²)
1 0.31%
Growth

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)