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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 11720, Centereach, NY

ZIP Code 11720 Details

Zip Code:11720
State:NY [New York]
Counties:SUFFOLK, NY
Multi County:No
City Alias(es):Centereach
S Setauket
South Setauket
Area Code:631 / 934
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Eastern (GMT -05:00)
Observes Daylight Saving:Yes
Elevation:97 ft
State FIPS:36
County FIPS:103
Division:Middle Atlantic
Intro Date:<2004-10

ZIP Code 11720 2020 Census Demographics

Current Population:27,307
2020 Population:28,623
Households per ZIP Code:9,210
Average House Value:$377,100
Avg. Income Per Household:$114,471
Persons Per Household:3.07
White Population:20,475
Black Population:957
Hispanic Population:4,746
Asian Population:2,511
American Indian Population:91
Hawaiian Population:7
Other Population:1,976
Male Population:14,289
Female Population:14,334
Median Age:40.50 years
Male Median Age:38.60 years
Female Median Age:42.40 years

ZIP Code 11720 Other Demographics

# Residential Mailboxes:8,895
# Business Mailboxes:398
Total Delivery Receptacles:9,630
Number of Businesses:580
1st Quarter Payroll:$51,154,000
Annual Payroll:$217,895,000
# of Employees:5,938
Water Area:0 sq mi
Land Area:8.228 sq mi
118th Congressional District:01
118th Congressional Land Area:650.02 sq mi
Single Family Delivery Units:8,285
Multi Family Delivery Units:240
# Residential Mailboxes:8,895
# Business Mailboxes:398
Total Delivery Receptacles:9,630

ZIP Code 11720 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 5,280 5,405 +125
Retired Workers: 3,570 3,670 +100
Disabled Workers: 795 780 -15
Widow(er)s and Parents: 320 335 +15
Spouses: 225 245 +20
Children: 370 375 +5
65+: 3,890 3,995 +105
Monthly Benefits - All: $8,158,000 $8,558,000 +$400,000
Monthly Benefits - Retired Workers: $5,940,000 $6,274,000 +$334,000
Monthly Benefits - Widow(ers): $516,000 $544,000 +$28,000

ZIP Code 11720 Statistical Areas

CBSA: 35620
CBSA Name: New York-Newark-Jersey City, NY-NJ-PA
CBSA Type: Metro
CBSA Division: 35004
CBSA Division Name: Nassau County-Suffolk County, NY
CBSA Population:0
CBSA Division Population:0
MSA: 5602
MSA Name: New York-Northern New Jersey-Long Island, NY-NJ-CT-PA
PMSA: 5380
PMSA Name: Nassau-Suffolk, NY PMSA
City State Key:V12482
Preferred Last Line Key:V12482
11719: Previous ZIP Code
Next ZIP Code: 11721


  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],