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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 06340, Groton, CT

ZIP Code 06340 Details

Zip Code:06340
State:CT [Connecticut]
Multi County:No
City Alias(es):Groton
City Alias(es) To Avoid Using:Borough
Center Groton
Groton Long Point
Jupiter Point
Poquonock Bridge
Area Code:860
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:21 ft
State FIPS:09
County FIPS:011
Division:New England
Intro Date:<2004-10

ZIP Code 06340 2020 Census Demographics

Current Population:28,837
2020 Population:29,788
Households per ZIP Code:12,452
Average House Value:$211,500
Avg. Income Per Household:$69,736
Persons Per Household:2.22
White Population:20,558
Black Population:2,230
Hispanic Population:4,184
Asian Population:1,735
American Indian Population:264
Hawaiian Population:63
Other Population:1,636
Male Population:15,397
Female Population:14,391
Median Age:34.50 years
Male Median Age:32.10 years
Female Median Age:37.40 years

ZIP Code 06340 Other Demographics

# Residential Mailboxes:12,990
# Business Mailboxes:707
Total Delivery Receptacles:14,403
Number of Businesses:599
1st Quarter Payroll:$670,303,000
Annual Payroll:$2,209,357,000
# of Employees:21,779
Water Area:4.722 sq mi
Land Area:22.54 sq mi
118th Congressional District:02
118th Congressional Land Area:1987.68 sq mi
Single Family Delivery Units:6,668
Multi Family Delivery Units:2,849
# Residential Mailboxes:12,990
# Business Mailboxes:707
Total Delivery Receptacles:14,403

ZIP Code 06340 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 5,295 5,295 0
Retired Workers: 3,680 3,680 0
Disabled Workers: 780 780 0
Widow(er)s and Parents: 350 350 0
Spouses: 190 190 0
Children: 295 295 0
65+: 4,000 4,000 0
Monthly Benefits - All: $7,710,000 $7,710,000 $0
Monthly Benefits - Retired Workers: $5,851,000 $5,851,000 $0
Monthly Benefits - Widow(ers): $506,000 $506,000 $0

ZIP Code 06340 Statistical Areas

CBSA: 35980
CBSA Name: Norwich-New London, CT
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:0
CBSA Division Population:0
MSA: 5520
MSA Name: New London-Norwich, CT-RI MSA
PMSA Name: 
City State Key:V20271
Preferred Last Line Key:V20271
06339: Previous ZIP Code
Next ZIP Code: 06349


  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],