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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 91901, Alpine, CA

ZIP Code 91901 Details

Zip Code:91901
State:CA [California]
Counties:SAN DIEGO, CA
Multi County:No
City Alias(es):Alpine
Area Code:619 / 858
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:1539 ft
State FIPS:06
County FIPS:073
Intro Date:<2004-10

ZIP Code 91901 2020 Census Demographics

Current Population:17,642
2020 Population:17,688
Households per ZIP Code:6,400
Average House Value:$644,200
Avg. Income Per Household:$105,679
Persons Per Household:2.74
White Population:13,242
Black Population:268
Hispanic Population:3,200
Asian Population:371
American Indian Population:561
Hawaiian Population:57
Other Population:1,116
Male Population:8,810
Female Population:8,878
Median Age:43.10 years
Male Median Age:41.90 years
Female Median Age:44.30 years

ZIP Code 91901 Other Demographics

# Residential Mailboxes:6,439
# Business Mailboxes:311
Total Delivery Receptacles:6,609
Number of Businesses:430
1st Quarter Payroll:$57,682,000
Annual Payroll:$265,816,000
# of Employees:5,296
Water Area:0.694 sq mi
Land Area:77.873 sq mi
118th Congressional District:48
118th Congressional Land Area:145.47 sq mi
Single Family Delivery Units:3,588
Multi Family Delivery Units:829
# Residential Mailboxes:6,439
# Business Mailboxes:311
Total Delivery Receptacles:6,609

ZIP Code 91901 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 3,065 3,160 +95
Retired Workers: 2,350 2,455 +105
Disabled Workers: 265 275 +10
Widow(er)s and Parents: 170 170 0
Spouses: 110 115 +5
Children: 170 145 -25
65+: 2,450 2,555 +105
Monthly Benefits - All: $4,420,000 $4,713,000 +$293,000
Monthly Benefits - Retired Workers: $3,556,000 $3,830,000 +$274,000
Monthly Benefits - Widow(ers): $243,000 $257,000 +$14,000

ZIP Code 91901 Statistical Areas

CBSA: 41740
CBSA Name: San Diego-Chula Vista-Carlsbad, CA
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:0
CBSA Division Population:0
MSA: 7320
MSA Name: San Diego, CA MSA
PMSA Name: 
City State Key:Z20066
Preferred Last Line Key:Z20066
91899: Previous ZIP Code
Next ZIP Code: 91902


  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],