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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 91020, Montrose, CA

ZIP Code 91020 Details

Zip Code:91020
State:CA [California]
Multi County:No
City Alias(es):Montrose
Area Code:818 / 747
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:1350 ft
State FIPS:06
County FIPS:037
Intro Date:<2004-10

ZIP Code 91020 2020 Census Demographics

Current Population:8,511
2020 Population:8,439
Households per ZIP Code:3,309
Average House Value:$719,600
Avg. Income Per Household:$59,412
Persons Per Household:2.51
White Population:4,615
Black Population:121
Hispanic Population:1,442
Asian Population:2,195
American Indian Population:45
Hawaiian Population:6
Other Population:552
Male Population:3,981
Female Population:4,458
Median Age:41.90 years
Male Median Age:39.40 years
Female Median Age:44.30 years

ZIP Code 91020 Other Demographics

# Residential Mailboxes:3,391
# Business Mailboxes:447
Total Delivery Receptacles:3,826
Number of Businesses:359
1st Quarter Payroll:$22,973,000
Annual Payroll:$108,059,000
# of Employees:2,398
Water Area:0 sq mi
Land Area:0.718 sq mi
118th Congressional District:28|30
118th Congressional Land Area:218.45|135.94 sq mi
Single Family Delivery Units:1,595
Multi Family Delivery Units:1,702
# Residential Mailboxes:3,391
# Business Mailboxes:447
Total Delivery Receptacles:3,826

ZIP Code 91020 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 975 980 +5
Retired Workers: 745 755 +10
Disabled Workers: 80 75 -5
Widow(er)s and Parents: 65 55 -10
Spouses: 40 50 +10
Children: 45 45 0
65+: 810 825 +15
Monthly Benefits - All: $1,301,000 $1,327,000 +$26,000
Monthly Benefits - Retired Workers: $1,057,000 $1,093,000 +$36,000
Monthly Benefits - Widow(ers): $86,000 $74,000 ($12,000)

ZIP Code 91020 Statistical Areas

CBSA: 31080
CBSA Name: Los Angeles-Long Beach-Anaheim, CA
CBSA Type: Metro
CBSA Division: 31084
CBSA Division Name: Los Angeles-Long Beach-Glendale, CA
CBSA Population:0
CBSA Division Population:0
MSA: 4472
MSA Name: Los Angeles-Riverside-Orange County, CA
PMSA: 4480
PMSA Name: Los Angeles-Long Beach, CA PMSA
City State Key:Z22056
Preferred Last Line Key:Z22056
91017: Previous ZIP Code
Next ZIP Code: 91021


  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],