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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

Zip Code 06870, Old Greenwich, CT

ZIP Code 06870 Details

Zip Code:06870
City:Old Greenwich
State:CT [Connecticut]
Multi County:No
City Alias(es):Old Greenwich
Area Code:203 / 475
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:34 ft
State FIPS:09
County FIPS:001
Division:New England
Intro Date:<2004-10

ZIP Code 06870 2010 Census Demographics

Current Population:7,742
2010 Population:7,316
Households per ZIP Code:2,607
Average House Value:$1,485,300
Avg. Income Per Household:$217,778
Persons Per Household:2.80
White Population:6,739
Black Population:87
Hispanic Population:376
Asian Population:520
American Indian Population:38
Hawaiian Population:11
Other Population:84
Male Population:3,503
Female Population:3,813
Median Age:41.10 years
Male Median Age:40.30 years
Female Median Age:41.70 years

ZIP Code 06870 Other Demographics

# Residential Mailboxes:2,765
# Business Mailboxes:201
Total Delivery Receptacles:3,211
Number of Businesses:226
1st Quarter Payroll:$102,228,000
Annual Payroll:$335,019,000
# of Employees:2,414
Water Area:1.483 sq mi
Land Area:2.296 sq mi
113th Congressional District:04
113th Congressional Land Area:460.73 sq mi
Single Family Delivery Units:2,313
Multi Family Delivery Units:287
# Residential Mailboxes:2,765
# Business Mailboxes:201
Total Delivery Receptacles:3,211

ZIP Code 06870 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 975 975 0
Retired Workers: 750 750 0
Disabled Workers: 35 35 0
Widow(er)s and Parents: 60 60 0
Spouses: 90 90 0
Children: 40 40 0
65+: 880 880 0
Monthly Benefits - All: $1,851,000 $1,851,000 $0
Monthly Benefits - Retired Workers: $1,541,000 $1,541,000 $0
Monthly Benefits - Widow(ers): $111,000 $111,000 $0

ZIP Code 06870 Statistical Areas

CBSA: 14860
CBSA Name: Bridgeport-Stamford-Norwalk, CT
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:916,829
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:V20493
Preferred Last Line Key:V20493
06860: Previous ZIP Code
Next ZIP Code: 06875


  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],