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The City of Irwin is located in Shelby County in the state of Iowa (IA).

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Irwin, Iowa, a City, in Shelby County.
Latest Irwin, IA News:

More News Resources for Irwin
County Level News: Shelby County News
State Level News: State of Iowa News
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Irwin, IA Map (Interactive)

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Irwin Latitude: 41.7899 Longitude: -95.1897

The The Zip Codes for Irwin, IA are:
51446, 51447

We also provide additional resources for the rest of Shelby County and the State of Iowa.

The City of Irwin

Facts & Data:

Irwin Iowa Physical Characteristics:

The City of Irwin has an area of 0.6 square miles
  • Land: 0.59640656370656 Sq. Mi. (100.00%)
  • Water: 0 Sq. Mi.(0.00%)
The Irwin City takes up 0.1% of the area of Shelby County.

Map Location Coordinates:

  • Latitude: +41.7901572
  • Longitude: -095.2067933
Irwin Land Water Pie Chart

Irwin, IA Climate Information:

  • Average Temperature: 48.4°F
  • Average Rainfall: 33.52 inches
  • Average Snowfall: 30.3 inches
*Based on annual average for Weather Station USC00133632 HARLAN 1N
Latitude: 41.6783 Longitude: -95.3247 Elevation: 396.2 feet.

Irwin, IA Population Data:

According to the 2010 U.S. Census, the population of Irwin was 341 people, which is 2.8 % of the entire population of Shelby County.


  • 47.21% Male
  • 52.79% Female


  • 98.827% White
  • 0.000% Black
  • 0.000% Asian
  • 0.00% American Indian/Alaskan Native
  • 0.00% Pacific Islander
  • 0.587% Mixed
  • 0.587% Other


  • 98.83% Not Hispanic or Latino
  • 1.17% Hispanic or Latino
Irwin Race Population Ring Chart

Irwin, IA Housing Information:

Average Household Size: 2.1
Number of Residences: 185
  • Occupied: 165 (89.19%)
  • Vacant: 20 (10.81%)
Spotlight Left Irwin Business Spotlight
Farm Service Co-Op Of Irwin
519114 - Fertilizers (Wholesale)
406 Front St, Irwin, Iowa 51446-0000
Mark Klein (712) 782-3151
See more in the Irwin Business Directory
Spotlight Right

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