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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 94931, Cotati, CA

ZIP Code 94931 Details

Zip Code:94931
State:CA [California]
Counties:SONOMA, CA
Multi County:No
City Alias(es):Cotati
Area Code:707
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Pacific (GMT -08:00)
Observes Daylight Saving:Yes
Elevation:110 ft
State FIPS:06
County FIPS:097
Intro Date:<2004-10

ZIP Code 94931 2010 Census Demographics

Current Population:8,924
2010 Population:8,470
Households per ZIP Code:3,481
Average House Value:$595,100
Avg. Income Per Household:$85,698
Persons Per Household:2.42
White Population:7,398
Black Population:252
Hispanic Population:1,421
Asian Population:486
American Indian Population:197
Hawaiian Population:68
Other Population:570
Male Population:4,056
Female Population:4,414
Median Age:37.80 years
Male Median Age:36.20 years
Female Median Age:39.10 years

ZIP Code 94931 Other Demographics

# Residential Mailboxes:3,688
# Business Mailboxes:369
Total Delivery Receptacles:4,892
Number of Businesses:319
1st Quarter Payroll:$42,183,000
Annual Payroll:$188,886,000
# of Employees:3,426
Water Area:0.011 sq mi
Land Area:6.353 sq mi
113th Congressional District:02|05
113th Congressional Land Area:12952.23|1730.82 sq mi
Single Family Delivery Units:2,316
Multi Family Delivery Units:476
# Residential Mailboxes:3,688
# Business Mailboxes:369
Total Delivery Receptacles:4,892

ZIP Code 94931 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 1,695 1,700 +5
Retired Workers: 1,210 1,250 +40
Disabled Workers: 230 205 -25
Widow(er)s and Parents: 100 100 0
Spouses: 60 55 -5
Children: 95 90 -5
65+: 1,285 1,335 +50
Monthly Benefits - All: $2,405,000 $2,524,000 +$119,000
Monthly Benefits - Retired Workers: $1,825,000 $1,968,000 +$143,000
Monthly Benefits - Widow(ers): $149,000 $148,000 ($1,000)

ZIP Code 94931 Statistical Areas

CBSA: 42220
CBSA Name: Santa Rosa-Petaluma, CA
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:483,878
CBSA Division Population:0
MSA: 7362
MSA Name: San Francisco-Oakland-San Jose, CA CMSA
PMSA: 7500
PMSA Name: Santa Rosa, CA PMSA
City State Key:Z20766
Preferred Last Line Key:Z20766
94930: Previous ZIP Code
Next ZIP Code: 94933


  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],