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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 51109, Sioux City, IA

ZIP Code 51109 Details

Zip Code:51109
City:Sioux City
State:IA [Iowa]
Multi County:Yes
City Alias(es):Sioux City
City Alias(es) To Avoid Using:Blvd Station
Area Code:712
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:1101 ft
State FIPS:19
County FIPS:193
Division:West North Central
Intro Date:<2004-10

ZIP Code 51109 2010 Census Demographics

Current Population:3,209
2010 Population:3,098
Households per ZIP Code:1,298
Average House Value:$107,800
Avg. Income Per Household:$61,786
Persons Per Household:2.39
White Population:2,926
Black Population:58
Hispanic Population:225
Asian Population:23
American Indian Population:45
Hawaiian Population:3
Other Population:120
Male Population:1,526
Female Population:1,572
Median Age:40.00 years
Male Median Age:39.40 years
Female Median Age:41.30 years

ZIP Code 51109 Other Demographics

# Residential Mailboxes:1,343
# Business Mailboxes:56
Total Delivery Receptacles:1,529
Number of Businesses:57
1st Quarter Payroll:$2,316,000
Annual Payroll:$10,306,000
# of Employees:363
Water Area:0.837 sq mi
Land Area:17.609 sq mi
118th Congressional District:04
118th Congressional Land Area:22756.75 sq mi
Single Family Delivery Units:1,173
Multi Family Delivery Units:33
# Residential Mailboxes:1,343
# Business Mailboxes:56
Total Delivery Receptacles:1,529

ZIP Code 51109 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 730 770 +40
Retired Workers: 495 540 +45
Disabled Workers: 110 115 +5
Widow(er)s and Parents: 55 50 -5
Spouses: 20 15 -5
Children: 50 50 0
65+: 535 570 +35
Monthly Benefits - All: $926,000 $1,009,000 +$83,000
Monthly Benefits - Retired Workers: $681,000 $761,000 +$80,000
Monthly Benefits - Widow(ers): $74,000 $69,000 ($5,000)

ZIP Code 51109 Statistical Areas

CBSA: 43580
CBSA Name: Sioux City, IA-NE-SD
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:143,577
CBSA Division Population:0
MSA: 7720
MSA Name: Sioux City, IA-NE MSA
PMSA Name: 
City State Key:W11437
Preferred Last Line Key:W11437
51108: Previous ZIP Code
Next ZIP Code: 51111


  1. U.S. Postal Service [Last Updated: 3/1/2023],
  2. Internal Data Creation [Last Updated: 3/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census American National Standards Institute (ANSI) [Last Updated: 3/1/2023],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],