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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

Zip Code 21613, Cambridge, MD

ZIP Code 21613 Details

Zip Code:21613
State:MD [Maryland]
Multi County:No
City Alias(es):Cambridge
Area Code:443 / 410 / 667
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:6 ft
State FIPS:24
County FIPS:019
Division:South Atlantic
Intro Date:<2004-10

ZIP Code 21613 2010 Census Demographics

Current Population:20,697
2010 Population:17,330
Households per ZIP Code:7,402
Average House Value:$208,400
Avg. Income Per Household:$45,087
Persons Per Household:2.28
White Population:10,514
Black Population:6,472
Hispanic Population:676
Asian Population:242
American Indian Population:177
Hawaiian Population:14
Other Population:315
Male Population:8,076
Female Population:9,254
Median Age:42.40 years
Male Median Age:40.70 years
Female Median Age:43.90 years

ZIP Code 21613 Other Demographics

# Residential Mailboxes:9,078
# Business Mailboxes:682
Total Delivery Receptacles:10,134
Number of Businesses:462
1st Quarter Payroll:$59,830,000
Annual Payroll:$249,557,000
# of Employees:6,231
Water Area:40.892 sq mi
Land Area:153.667 sq mi
113th Congressional District:01
113th Congressional Land Area:3977.06 sq mi
Single Family Delivery Units:6,469
Multi Family Delivery Units:985
# Residential Mailboxes:9,078
# Business Mailboxes:682
Total Delivery Receptacles:10,134

ZIP Code 21613 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 4,875 4,975 +100
Retired Workers: 3,405 3,520 +115
Disabled Workers: 760 755 -5
Widow(er)s and Parents: 255 265 +10
Spouses: 100 105 +5
Children: 355 330 -25
65+: 3,525 3,640 +115
Monthly Benefits - All: $6,287,000 $6,622,000 +$335,000
Monthly Benefits - Retired Workers: $4,824,000 $5,120,000 +$296,000
Monthly Benefits - Widow(ers): $320,000 $337,000 +$17,000

ZIP Code 21613 Statistical Areas

CBSA: 15700
CBSA Name: Cambridge, MD
CBSA Type: Micro
CBSA Division: 
CBSA Division Name: 
CBSA Population:32,618
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:V23081
Preferred Last Line Key:V23081
21612: Previous ZIP Code
Next ZIP Code: 21617


  1. U.S. Postal Service [Last Updated: 12/1/2022],
  2. Internal Data Creation [Last Updated: 12/1/2022],
  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: 12/1/2022],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],