Zip Code Database List
Account Login
Find ZIP+4 of Address

Find the ZIP Code, County, and +4 of any U.S. Address

FREE ZIP Code Finder

Find info on any U.S. ZIP Code

Other FREE Lookups

Lookup ZIP Code of any City, State, County or Area Code

FREE Radius Search

Find all ZIP Codes

FREE Distance Calc

Calculate the distance between two U.S. or Canadian ZIP codes.

ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 21921, Elkton, MD

ZIP Code 21921 Details

Zip Code:21921
State:MD [Maryland]
Counties:CECIL, MD
Multi County:No
City Alias(es):Elkton
Area Code:443 / 410 / 667
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:32 ft
State FIPS:24
County FIPS:015
Division:South Atlantic
Intro Date:<2004-10

ZIP Code 21921 2010 Census Demographics

Current Population:48,203
2010 Population:44,471
Households per ZIP Code:16,081
Average House Value:$235,100
Avg. Income Per Household:$74,416
Persons Per Household:2.72
White Population:38,811
Black Population:4,798
Hispanic Population:1,994
Asian Population:902
American Indian Population:437
Hawaiian Population:65
Other Population:754
Male Population:21,910
Female Population:22,561
Median Age:36.70 years
Male Median Age:35.50 years
Female Median Age:37.80 years

ZIP Code 21921 Other Demographics

# Residential Mailboxes:17,722
# Business Mailboxes:937
Total Delivery Receptacles:18,547
Number of Businesses:850
1st Quarter Payroll:$181,553,000
Annual Payroll:$753,946,000
# of Employees:13,873
Water Area:5.439 sq mi
Land Area:94.58 sq mi
113th Congressional District:01
113th Congressional Land Area:3977.06 sq mi
Single Family Delivery Units:10,498
Multi Family Delivery Units:280
# Residential Mailboxes:17,722
# Business Mailboxes:937
Total Delivery Receptacles:18,547

ZIP Code 21921 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 8,185 8,265 +80
Retired Workers: 5,455 5,575 +120
Disabled Workers: 1,350 1,325 -25
Widow(er)s and Parents: 500 495 -5
Spouses: 225 220 -5
Children: 655 650 -5
65+: 5,745 5,895 +150
Monthly Benefits - All: $11,619,000 $12,082,000 +$463,000
Monthly Benefits - Retired Workers: $8,511,000 $8,915,000 +$404,000
Monthly Benefits - Widow(ers): $707,000 $707,000 $0

ZIP Code 21921 Statistical Areas

CBSA: 37980
CBSA Name: Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
CBSA Type: Metro
CBSA Division: 48864
CBSA Division Name: Wilmington, DE-MD-NJ
CBSA Population:5,965,343
CBSA Division Population:705,670
MSA: 6162
MSA Name: Philadelphia-Wilmington-Atlantic City, PA-NJ-DE-MD CMSA
PMSA: 9160
PMSA Name: Wilmington-Newark, DE-MD PMSA
City State Key:V23414
Preferred Last Line Key:V23414
21920: Previous ZIP Code
Next ZIP Code: 21922


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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: 5/1/2022],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],