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, 2023

Zip Code 20904, Silver Spring, MD

ZIP Code 20904 Details

Zip Code:20904
City:Silver Spring
State:MD [Maryland]
Multi County:Yes
City Alias(es):Silver Spring
City Alias(es) To Avoid Using:Cloverly
Area Code:301
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:285 ft
State FIPS:24
County FIPS:031
Division:South Atlantic
Intro Date:<2004-10

ZIP Code 20904 2020 Census Demographics

Current Population:58,009
2020 Population:59,051
Households per ZIP Code:21,331
Average House Value:$432,800
Avg. Income Per Household:$86,513
Persons Per Household:2.73
White Population:13,010
Black Population:27,506
Hispanic Population:10,512
Asian Population:6,992
American Indian Population:312
Hawaiian Population:33
Other Population:6,154
Male Population:27,351
Female Population:31,700
Median Age:40.30 years
Male Median Age:37.80 years
Female Median Age:42.30 years

ZIP Code 20904 Other Demographics

# Residential Mailboxes:21,249
# Business Mailboxes:666
Total Delivery Receptacles:21,883
Number of Businesses:987
1st Quarter Payroll:$275,683,000
Annual Payroll:$1,081,468,000
# of Employees:17,796
Water Area:0.039 sq mi
Land Area:13.728 sq mi
118th Congressional District:04|08
118th Congressional Land Area:297.81|859.85 sq mi
Single Family Delivery Units:8,243
Multi Family Delivery Units:9,105
# Residential Mailboxes:21,249
# Business Mailboxes:666
Total Delivery Receptacles:21,883

ZIP Code 20904 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 9,225 9,450 +225
Retired Workers: 7,165 7,445 +280
Disabled Workers: 705 685 -20
Widow(er)s and Parents: 490 480 -10
Spouses: 420 420 0
Children: 445 420 -25
65+: 7,880 8,155 +275
Monthly Benefits - All: $13,268,000 $14,108,000 +$840,000
Monthly Benefits - Retired Workers: $11,049,000 $11,882,000 +$833,000
Monthly Benefits - Widow(ers): $684,000 $690,000 +$6,000

ZIP Code 20904 Statistical Areas

CBSA Name: 
CBSA Type: 
CBSA Division: 
CBSA Division Name: Frederick-Gaithersburg-Rockville, MD
CBSA Population:0
CBSA Division Population:0
MSA: 8872
MSA Name: Washington-Baltimore, DC-MD-VA-WV CMSA
PMSA: 8840
PMSA Name: Washington, DC-MD-VA-WV PMSA
City State Key:V24373
Preferred Last Line Key:V24373
20903: Previous ZIP Code
Next ZIP Code: 20905


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