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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 21840, Nanticoke, MD

ZIP Code 21840 Details

Zip Code:21840
State:MD [Maryland]
Multi County:No
City Alias(es):Nanticoke
Area Code:410 / 443 / 667
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:2 ft
State FIPS:24
County FIPS:045
Division:South Atlantic
Intro Date:<2004-10

ZIP Code 21840 2020 Census Demographics

Current Population:280
2020 Population:371
Households per ZIP Code:180
Average House Value:$161,500
Avg. Income Per Household:$80,724
Persons Per Household:2.06
White Population:290
Black Population:52
Hispanic Population:3
Asian Population:2
American Indian Population:0
Hawaiian Population:0
Other Population:3
Male Population:188
Female Population:183
Median Age:57.00 years
Male Median Age:53.70 years
Female Median Age:59.70 years

ZIP Code 21840 Other Demographics

# Residential Mailboxes:136
# Business Mailboxes:1
Total Delivery Receptacles:221
Number of Businesses:4
1st Quarter Payroll:$92,000
Annual Payroll:$856,000
# of Employees:19
Water Area:6.011 sq mi
Land Area:5.27 sq mi
118th Congressional District:01
118th Congressional Land Area:3977.06 sq mi
Single Family Delivery Units:136
Multi Family Delivery Units:0
# Residential Mailboxes:136
# Business Mailboxes:1
Total Delivery Receptacles:221

ZIP Code 21840 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 160 165 +5
Retired Workers: 115 120 +5
Disabled Workers: 25 20 -5
Widow(er)s and Parents: 5 10 +5
Spouses: 5 5 0
Children: 10 10 0
65+: 120 130 +10
Monthly Benefits - All: $217,000 $233,000 +$16,000
Monthly Benefits - Retired Workers: $169,000 $190,000 +$21,000
Monthly Benefits - Widow(ers): $13,000 $12,000 ($1,000)

ZIP Code 21840 Statistical Areas

CBSA: 41540
CBSA Name: Salisbury, MD-DE
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:0
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:V24037
Preferred Last Line Key:V24037
21838: Previous ZIP Code
Next ZIP Code: 21841


  1. U.S. Postal Service [Last Updated: 6/1/2023],
  2. Internal Data Creation [Last Updated: 6/1/2023],
  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: 6/1/2023],
  6. U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],