ZIP Code 51111 - Sioux City Iowa

51111 Overview

ZIP Code 51111 is located in Sioux City Iowa. Portions of 51111 are also in Sergeant Bluff and Woodbury Township. 51111 is entirely within Woodbury County. Regionally, 51111 is located in the Sioux City Area.

Stats Demographics Geography Politics Climate Related Pages

ZIP Code 51111 Quick Stats

ZIP Code NameSioux City
Primary CountyWoodbury County
ZIP Code TypeStandard
Population (2022)124
Area Code(s)712
Current Time
CST

ZIP Code 51111 Map

51111 Demographics

51111 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Iowa. The majority race/ethnicity residing in 51111 is White. The current unemployment level in 51111 is 3.2%.

Population124
Population Growth Rate-45.58%
Population Density17 People per Square Mile
Total Households134
Median Household Income (2021)$41,974
Current Unemployment Rate (October 2024)3.2%
Majority Race/EthnictyWhite - 59.70%

51111 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White8059.7%
Black00%
Hispanic5440.3%
Asian00%
Native American00%
Hawaiian/Pac. Islander00%

51111 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College2715.79%
Bachelor Degree158.77%
High School Diploma2816.37%
No High School Diploma00%
GED or Alternate00%
1 or More Years of College84.68%
Associates Degree9354.39%
Masters Degree00%
Professional Degree00%
Doctorate Degree00%

51111 Geography

Coordinates42.40900040,-96.38694000
Adjacent ZIP Codes
Cities/Towns in 51111
RegionSioux City Area
Metropolitan/Micropolitan Stat AreaSioux City, IA-NE-SD
Time ZoneCentral Standard Time
IANA TimezoneAmerica/Chicago
Area7 Square Miles

51111 Weather and Climate Data

Plant Hardiness ZoneZone 5a: -20F to -15F
Average First Frost DateOctober 1 - 10
Average Last Frost DateApril 21 - 31
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion47d - Missouri Alluvial Plain

51111 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)9152637505963615138251337
Avg Max Temp (°F)28354762738286847664453159
Avg Precip (In.).61.642.052.813.843.693.432.992.512.031.44.726.74

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