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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 21084, Jarrettsville, MD

ZIP Code 21084 Details

Zip Code:21084
State:MD [Maryland]
Counties:HARFORD, MD
Multi County:No
City Alias(es):Jarrettsville
Area Code:443 / 410 / 667
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:568 ft
State FIPS:24
County FIPS:025
Division:South Atlantic
Intro Date:<2004-10

ZIP Code 21084 2020 Census Demographics

Current Population:7,561
2020 Population:7,600
Households per ZIP Code:2,731
Average House Value:$392,700
Avg. Income Per Household:$101,918
Persons Per Household:2.78
White Population:6,985
Black Population:98
Hispanic Population:138
Asian Population:69
American Indian Population:8
Hawaiian Population:1
Other Population:59
Male Population:3,661
Female Population:3,939
Median Age:46.70 years
Male Median Age:44.00 years
Female Median Age:49.00 years

ZIP Code 21084 Other Demographics

# Residential Mailboxes:2,720
# Business Mailboxes:63
Total Delivery Receptacles:3,088
Number of Businesses:182
1st Quarter Payroll:$10,355,000
Annual Payroll:$45,150,000
# of Employees:1,106
Water Area:0.078 sq mi
Land Area:23.76 sq mi
118th Congressional District:01
118th Congressional Land Area:3977.06 sq mi
Single Family Delivery Units:2,720
Multi Family Delivery Units:0
# Residential Mailboxes:2,720
# Business Mailboxes:63
Total Delivery Receptacles:3,088

ZIP Code 21084 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 1,680 1,720 +40
Retired Workers: 1,335 1,375 +40
Disabled Workers: 105 105 0
Widow(er)s and Parents: 90 85 -5
Spouses: 75 85 +10
Children: 75 70 -5
65+: 1,425 1,470 +45
Monthly Benefits - All: $2,674,000 $2,809,000 +$135,000
Monthly Benefits - Retired Workers: $2,217,000 $2,346,000 +$129,000
Monthly Benefits - Widow(ers): $151,000 $142,000 ($9,000)

ZIP Code 21084 Statistical Areas

CBSA: 12580
CBSA Name: Baltimore-Columbia-Towson, MD
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:2,710,489
CBSA Division Population:0
MSA: 8872
MSA Name: Washington-Baltimore, DC-MD-VA-WV CMSA
PMSA: 0720
PMSA Name: Baltimore, MD PMSA
City State Key:V23762
Preferred Last Line Key:V23762
21082: Previous ZIP Code
Next ZIP Code: 21085


  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],