ZIP Code 51446 - Irwin Iowa

51446 Overview

ZIP Code 51446 is located in Irwin Iowa. Portions of 51446 are also in Greeley Township (Shelby County) and Polk Township (Shelby County) and Jefferson Township (Shelby County) and Douglas Township (Shelby County). 51446 is entirely within Shelby County. Regionally, 51446 is located in the Omaha Area.

Stats Demographics Geography Politics Climate Related Pages

ZIP Code 51446 Quick Stats

ZIP Code NameIrwin
Primary CountyShelby County
ZIP Code TypeStandard
Population (2022)483
Area Code(s)712
Current Time
CST

ZIP Code 51446 Map

51446 Demographics

51446 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Iowa based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 51446 is White. The majority race/ethnicity attending public schools in 51446 is White. The current unemployment level in 51446 is 3.0%.

Population483
Population Growth Rate-5.46%
Population Density10 People per Square Mile
Total Households244
Median Household Income (2021)$81,250
Average Adjusted Gross Income (2021)$183,570
Current Unemployment Rate (December 2024)3.0%
Majority Race/EthnictyWhite - 99.46%
Public School Majority Race/EthnictyWhite - 94.14%

51446 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White55199.46%
Black00%
Hispanic30.54%
Asian00%
Native American00%
Hawaiian/Pac. Islander00%

51446 Public School Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White22594.54%
Black20.84%
Hispanic114.62%
Asian00%
Native American00%
Hawaiian/Pac. Islander00%

51446 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College247.5%
Bachelor Degree5216.25%
High School Diploma14946.56%
No High School Diploma30.94%
GED or Alternate72.19%
1 or More Years of College4112.81%
Associates Degree216.56%
Masters Degree216.56%
Professional Degree20.63%
Doctorate Degree00%

51446 Geography

Coordinates41.77722168,-95.18766022
Adjacent ZIP Codes
Cities/Towns in 51446
RegionOmaha Area
Time ZoneCentral Standard Time
IANA TimezoneAmerica/Chicago
Area47 Square Miles

51446 Weather and Climate Data

Plant Hardiness ZoneZone 5a: -20F to -15F
Average First Frost DateOctober 1 - 10
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion47e - Steeply Rolling Loess Prairies

51446 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)9142536495963615139261437
Avg Max Temp (°F)28344761728285837563453259
Avg Precip (In.).82.832.213.294.284.444.163.693.772.541.781.0332.85

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