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 92078, San Marcos, CA

ZIP Code 92078 Details

Zip Code:92078
City:San Marcos
State:CA [California]
Counties:SAN DIEGO, CA
Multi County:No
City Alias(es):San Marcos
Elfin Forest
Area Code:760 / 442
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:733 ft
State FIPS:06
County FIPS:073
Intro Date:<2004-10

ZIP Code 92078 2010 Census Demographics

Current Population:49,280
2010 Population:42,906
Households per ZIP Code:15,990
Average House Value:$614,500
Avg. Income Per Household:$91,564
Persons Per Household:2.64
White Population:32,651
Black Population:1,372
Hispanic Population:10,499
Asian Population:4,812
American Indian Population:530
Hawaiian Population:305
Other Population:5,614
Male Population:20,311
Female Population:22,595
Median Age:36.60 years
Male Median Age:35.50 years
Female Median Age:37.60 years

ZIP Code 92078 Other Demographics

# Residential Mailboxes:18,667
# Business Mailboxes:1,495
Total Delivery Receptacles:20,236
Number of Businesses:1266
1st Quarter Payroll:$175,616,000
Annual Payroll:$759,802,000
# of Employees:16,056
Water Area:0.123 sq mi
Land Area:16.678 sq mi
113th Congressional District:49|50
113th Congressional Land Area:553.08|2787.35 sq mi
Single Family Delivery Units:5,194
Multi Family Delivery Units:2,668
# Residential Mailboxes:18,667
# Business Mailboxes:1,495
Total Delivery Receptacles:20,236

ZIP Code 92078 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 8,585 8,775 +190
Retired Workers: 6,845 6,985 +140
Disabled Workers: 510 500 -10
Widow(er)s and Parents: 585 600 +15
Spouses: 380 410 +30
Children: 265 280 +15
65+: 7,420 7,655 +235
Monthly Benefits - All: $12,504,000 $13,166,000 +$662,000
Monthly Benefits - Retired Workers: $10,369,000 $10,921,000 +$552,000
Monthly Benefits - Widow(ers): $864,000 $912,000 +$48,000

ZIP Code 92078 Statistical Areas

CBSA: 41740
CBSA Name: San Diego-Chula Vista-Carlsbad, CA
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:3,095,313
CBSA Division Population:0
MSA: 7320
MSA Name: San Diego, CA MSA
PMSA Name: 
City State Key:Z22830
Preferred Last Line Key:Z22830
92075: Previous ZIP Code
Next ZIP Code: 92079


  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],