Zip Code 51103 Map and Profile

Official Zip Code NameSioux City
Zip Code StateIowa
Zip Code TypeNon-Unique
Primary County: Woodbury
Area Code712
Current Population:17453
Racial Majority:White 57.68%
Public School Racial Majority:White 42.6%
Unemployment Rate:4.3%
Median Household Income$41994
Average Adjusted Gross Income$41200
School Test Performance:Poor
Average Commute Time18.5 Minutes
Time Zone:Central Daylight Time
Elevation Range1135 - 1286 ft.
Area10 Sqm.
Coordinates(Y,X)42.51822000, -96.44292000

Zip Code 51103 Description

Zip Code 51103 is located in the state of Iowa in the Sioux City metro area. Zip code 51103 is primarily located in Woodbury County. The official US Postal Service name for 51103 is SIOUX CITY, Iowa. Portions of zip code 51103 are contained within or border the city limits of Sioux City, IA, South Sioux City, NE, . The area code for zip code 51103 is 712. 51103 can be classified socioeconically as a Lower Middle Class class zipcode in comparison to other zipcodes in Iowa.

The current unemployment level in 51103 is 4.3% which is higher than the current county unemployment level of 4.1% and is higher than the current state unemployment at 4.0% and lower than the current national unemployment rate at 5.2%.

According the 2010 US Census, the population of 51103 decreased to 17453 from 17494 over the past 10 years. The majority ethnicity residing in 51103 is White while the majority ethnicity attending 51103 public schools is White. 72% of students in 51103 public schools receive or are eligible to participate in free or reduced lunch programs.

 White 10147 57.68% 10407 -2%
 Black Or African American 760 4.32% 801 -5%
 Hispanic 4847 27.55% 4455 +9%
 American Indian Or Alaskan Native 671 3.81% 638 +5%
 Asian 526 2.99% 557 -6%
 Native Hawaiian & Other Pacific Islander 0 0% 4 -100%
 Other Race 17 0.13% 17 +35%
 Two Or More Races 574 3.51% 574 +8%

Zip Code 51103 Race/Ethnicity

 White 42.6%
 Black Or African American 6.9%
 Hispanic 37.2%
 Asian 4.2%
 Hawaii/Pacific Islander 1%
 American Indian Or Alaskan Native 5.4%
 Two or More Races 2.8%

Zip Code 51103 Public School Race/Ethnicity Profile

Total Population1745317494
Male Population49.90%
Female Population50.10%
Total Households6052
Test Score PerformancePoor
Percentage of Students Eligible For
Free or Reduced Lunch
Percentage of Public Schools with
Title 1 Status
Median Household Income$41994
Income Under $50K Per Year59.30%
Income $50K to $100K Per Year32.40%
Income Above $100K Per Year8.30%
51103 US Congressional District
DistrictRepresentativeParty Affiliation
Iowa District 4Steve KingRepublican
Related Maps: Map of All Iowa Congressional Districts

Average Real Estate Asking Price$87467
Average Real Estate Sale Price$153327
Current Unemployment Level 4.3%
Previous Month Unemployment Level5.1%
Unemployment Level 1 Year Ago5.2%
2012 Hardiness ZoneZone 5a: -20F to -15F
1990 Hardiness ZoneZone 4b: -25F to -20F
Köppen Climate ClassificationDfa - Humid Continental Hot Summers
Ecoregion 47m - Western Loess Hills
Average First Frost DatesOctober 1 - 10
Average Last Frost DatesApril 21 - 31

Zip Code 51103 Annual Climate Data

Avg Min Temp (°F)9152637505964615139251337
Avg Max Temp (°F)28354762738286837664453159
Avg Precip (In.).62.672.122.934.033.83.543.012.592.131.57.8127.83
Core Based Statistical
Area (CBSA)
Sioux City, IA-NE-SD
CBSA Type51103
CBSA Population144026
Time ZoneCentral Daylight Time
IANA Time ZoneAmerica/Chicago
Follows DSTYes
GMT Difference-6 Hours