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ZIP Code 51446
Irwin, IA, Shelby County
Population
499
Land area
35.8sq mi
People per sq mi
14
City
Irwin
ZIP 51446 and nearby ZIP codes
ZIP 51446 at a glance
- ZIP 51446 (Irwin) is 76% less dense than Iowa as a whole.
Local data for ZIP 51446
Counts from official public data
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
18
ZIP Business Patterns 2023
Employees
101
$4.7M annual payroll
PPP loans
$1.7M
61 loans
Campaign donations
$1,150
0% D, 5% R, 2026 cycle
Environment and hazard risk
ZIP 51446, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
427
Countywide, mostly hail
Flood insurance policies
19
0.3% of homes, county
July high / Jan low
86° / 10°F
34.3 inches of rain a year
Health statistics
Share of adults in ZIP 51446, CDC PLACES estimates
Obesity
36.4%
U.S. 33.3% +3.1 pts
Diabetes
12.4%
U.S. 12.1% about the same
Smoking
13.4%
U.S. 12.8% +0.6 pts
Uninsured (18-64)
5.7%
U.S. 11.1% -5.4 pts
Frequently asked questions
- What city is ZIP code 51446?
- ZIP code 51446 is in Irwin, IA (Shelby County).
- What county is ZIP code 51446 in?
- ZIP code 51446 is mostly in Shelby County, Iowa.
- How many people live in ZIP code 51446?
- About 499 people live in the 51446 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.