PlainZIP

Centereach, NY · standard

ZIP Code 11720

Suffolk County, New York - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

29,189
1,380/sq mi
$134,898
Median income
$518,600
Median home value
36.7%
Bachelor's or higher

The verdict

Centereach pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 6%
household income, US ZIPs
Top 12%
home value, US ZIPs
1,380
people per sq mi
87%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 11720 against every reporting US ZIP.

ZIP code 11720 is a densely settled ZIP (a standard USPS delivery area) in Centereach, Suffolk County, New York, with 29,189 residents across 21.2 square miles, a density of 1,380 people per square mile, in the New York time zone.

ZIP 11720 skews affluent, with a median household income of $134,898 (46% above the New York average), while per-capita income is $48,733. 5.2% of residents live below the poverty line, and the unemployment rate reads 6.0%. Housing costs here run $518,600 for a typical home value (37% above the state average), with rent averaging $2,374 a month; 87.4% of homes are owner-occupied.

A solid share of residents have a four-year degree: 36.7% of adults hold a bachelor's degree or higher, the median age is 38.8, and the average commute is 32 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 11720, plus 6 more within Suffolk County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 11720

Top 5 sectors by establishment count in Centereach, NY

Which industries have the most business establishments in ZIP 11720.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 11720, Centereach, NY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

29,189

Population

21.2

Area (sq mi)

1,380

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 11720?

38.8

Median Age

51.1%

Male

48.9%

Female

17.1%

Foreign-Born

White 71.9%
African American 3.8%
Asian 8.8%
American Indian or Alaska Native 0.5%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 8.4%
Hispanic or Latino 17.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$134,898

Median Household Income

+46% vs state

$48,733

Per Capita Income

5.2%

Poverty Rate

6.0%

Unemployment Rate

31.6 min

Mean Commute Time

How ZIP 11720 ranks nationally

Centereach, NY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$134,898 Top 6% higher than 94% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 62.3%
Bachelor's Degree or Higher 36.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

9,529

Total Housing Units

8,860

Occupied Units

669

Vacant Units

3.27

Avg Household Size

Occupancy Type

Owner 87.4%
Renter 12.6%

$518,600

Median Home Value

+37% vs state

$2,374

Median Rent

1969

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+9.9%

YoY Change (2024)

305

HPI Index (2000 = 100)

+205%

Total Change Since 2000

Home values in ZIP 11720 have increased 9.9% over the past year (2024). Since 2000, this ZIP has seen +205% cumulative appreciation.

Year Annual Change HPI Index
2020 +5.3% 200
2021 +12.2% 225
2022 +15.2% 259
2023 +7.2% 278
2024 +9.9% 305

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 598 business establishments in ZIP 11720, employing approximately 5,738 people with a combined annual payroll of $229,207,000.

598

Businesses

5,738

Employees

$229.2M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Construction 100 16.7%
Retail trade 88 14.7%
Other services (except public administration) 67 11.2%
Accommodation and food services 65 10.9%
Health care and social assistance 64 10.7%
Professional, scientific, and technical services 63 10.5%
Administrative and support and waste management and remediation services 31 5.2%
Finance and insurance 26 4.3%
Wholesale trade 24 4.0%
Real estate and rental and leasing 17 2.8%
Educational services 16 2.7%
Transportation and warehousing 13 2.2%
Arts, entertainment, and recreation 12 2.0%
Information 6 1.0%
Manufacturing 4 0.7%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 11720 vs 11784 →

ZIP 11720 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 11720 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 11720 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 11720 ranks #5 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
11784 Selden, NY 24,655 2.1 mi
11755 Lake Grove, NY 12,387 2.0 mi
11738 Farmingville, NY 17,638 3.2 mi
11776 Port Jefferson Station, NY 24,235 3.5 mi
11790 Stony Brook, NY 18,511 3.5 mi
11794 Stony Brook, NY 3,165 3.8 mi
11741 Holbrook, NY 27,655 5.3 mi
11767 Nesconset, NY 14,530 3.7 mi
11727 Coram, NY 29,030 4.2 mi
11779 Ronkonkoma, NY 38,421 4.3 mi

More ZIP Codes in Suffolk County

11746 standard
Huntington Station, NY
Pop: 67,094
11706 standard
Bay Shore, NY
Pop: 62,543
11717 standard
Brentwood, NY
Pop: 60,745
11757 standard
Lindenhurst, NY
Pop: 45,700
11772 standard
Patchogue, NY
Pop: 44,837
11743 standard
Huntington, NY
Pop: 42,230

Related Areas

Suffolk County Centereach, NY New York

Frequently Asked Questions

What county is ZIP code 11720 in? ▼
ZIP code 11720 (Centereach) is located in Suffolk County, New York. Suffolk County contains multiple ZIP codes, see the full list at /counties/suffolk-ny.
What is the population of ZIP code 11720? ▼
ZIP code 11720 in Centereach, NY has a population of 29,189 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 11720? ▼
The median household income in ZIP 11720 is $134,898, which is 77% above the national average of $76,288.
What is the average home value in ZIP 11720? ▼
The median home value in ZIP 11720 is $518,600, which is 86% above the national average of $278,155.
What is the demographic makeup of ZIP 11720? ▼
The largest racial group in ZIP 11720 is White at 71.9%. Hispanic or Latino residents make up 17.4% of the population.
How many businesses are in ZIP code 11720? ▼
ZIP code 11720 has 598 business establishments employing approximately 5,738 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 11720? ▼
The top industries by establishment count in ZIP 11720 are: Construction (100), Retail trade (88), Other services (except public administration) (67). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 11720? ▼
According to the FHFA House Price Index, home values in ZIP 11720 increased by 9.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 205%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 11720? ▼
In ZIP code 11720, 62.3% of residents aged 25+ have a high school diploma or higher, and 36.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 11720? ▼
The mean commute time for workers in ZIP code 11720 is 31.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 11720? ▼
In ZIP code 11720, approximately 87.4% of occupied housing units are owner-occupied and 12.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 11720? ▼
The poverty rate in ZIP code 11720 is 5.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.