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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

Zip Code 21207, Gwynn Oak, MD

ZIP Code 21207 Details

Zip Code:21207
City:Gwynn Oak
State:MD [Maryland]
Multi County:Yes
City Alias(es):Gwynn Oak
Area Code:410 / 443 / 667
City Type:B [Branch]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:295 ft
State FIPS:24
County FIPS:005
Division:South Atlantic
Intro Date:<2004-10

ZIP Code 21207 2010 Census Demographics

Current Population:49,156
2010 Population:48,133
Households per ZIP Code:18,753
Average House Value:$199,800
Avg. Income Per Household:$57,563
Persons Per Household:2.54
White Population:5,711
Black Population:41,378
Hispanic Population:1,616
Asian Population:749
American Indian Population:461
Hawaiian Population:53
Other Population:866
Male Population:21,919
Female Population:26,214
Median Age:38.70 years
Male Median Age:36.00 years
Female Median Age:40.80 years

ZIP Code 21207 Other Demographics

# Residential Mailboxes:19,353
# Business Mailboxes:619
Total Delivery Receptacles:20,845
Number of Businesses:524
1st Quarter Payroll:$72,146,000
Annual Payroll:$274,277,000
# of Employees:7,385
Water Area:0.036 sq mi
Land Area:10.345 sq mi
113th Congressional District:07
113th Congressional Land Area:488.03 sq mi
Single Family Delivery Units:13,460
Multi Family Delivery Units:3,215
# Residential Mailboxes:19,353
# Business Mailboxes:619
Total Delivery Receptacles:20,845

ZIP Code 21207 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 10,010 10,060 +50
Retired Workers: 6,910 7,045 +135
Disabled Workers: 1,680 1,615 -65
Widow(er)s and Parents: 505 510 +5
Spouses: 135 130 -5
Children: 780 760 -20
65+: 7,175 7,335 +160
Monthly Benefits - All: $13,466,000 $13,857,000 +$391,000
Monthly Benefits - Retired Workers: $10,124,000 $10,542,000 +$418,000
Monthly Benefits - Widow(ers): $639,000 $658,000 +$19,000

ZIP Code 21207 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:V23620
Preferred Last Line Key:V23620
21206: Previous ZIP Code
Next ZIP Code: 21208


  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],