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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 51521, Avoca, IA

ZIP Code 51521 Details

Zip Code:51521
State:IA [Iowa]
Multi County:Yes
City Alias(es):Avoca
Area Code:712
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:1293 ft
State FIPS:19
County FIPS:155
Division:West North Central
Intro Date:<2004-10

ZIP Code 51521 2010 Census Demographics

Current Population:1,505
2010 Population:2,036
Households per ZIP Code:873
Average House Value:$150,600
Avg. Income Per Household:$61,114
Persons Per Household:2.33
White Population:2,027
Black Population:4
Hispanic Population:35
Asian Population:9
American Indian Population:7
Hawaiian Population:0
Other Population:6
Male Population:1,002
Female Population:1,034
Median Age:44.20 years
Male Median Age:43.10 years
Female Median Age:45.30 years

ZIP Code 51521 Other Demographics

# Residential Mailboxes:646
# Business Mailboxes:14
Total Delivery Receptacles:1,050
Number of Businesses:69
1st Quarter Payroll:$8,112,000
Annual Payroll:$32,901,000
# of Employees:738
Water Area:0.478 sq mi
Land Area:87.409 sq mi
118th Congressional District:04
118th Congressional Land Area:22756.75 sq mi
Single Family Delivery Units:626
Multi Family Delivery Units:20
# Residential Mailboxes:646
# Business Mailboxes:14
Total Delivery Receptacles:1,050

ZIP Code 51521 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 475 495 +20
Retired Workers: 360 375 +15
Disabled Workers: 35 40 +5
Widow(er)s and Parents: 45 45 0
Spouses: 15 15 0
Children: 20 20 0
65+: 395 415 +20
Monthly Benefits - All: $657,000 $711,000 +$54,000
Monthly Benefits - Retired Workers: $515,000 $559,000 +$44,000
Monthly Benefits - Widow(ers): $67,000 $64,000 ($3,000)

ZIP Code 51521 Statistical Areas

CBSA: 36540
CBSA Name: Omaha-Council Bluffs, NE-IA
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:865,350
CBSA Division Population:0
MSA: 5920
MSA Name: Omaha, NE-IA MSA
PMSA Name: 
City State Key:W10078
Preferred Last Line Key:W10078
51520: Previous ZIP Code
Next ZIP Code: 51523


  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],