PlainZIP

Riverhead, NY · standard

ZIP Code 11901

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

27,172
190/sq mi
$85,061
Median income
$453,800
Median home value
22.9%
Bachelor's or higher

The verdict

Riverhead pairs an above-median household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 32%
household income, US ZIPs
Top 16%
home value, US ZIPs
190
people per sq mi
70%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 11901 against every reporting US ZIP.

ZIP code 11901 is a densely settled ZIP (a standard USPS delivery area) in Riverhead, Suffolk County, New York, with 27,172 residents across 142.9 square miles, a density of 190 people per square mile, in the New York time zone.

ZIP 11901 lands in the middle-income range, with a median household income of $85,061 (8% below the New York average), while per-capita income is $39,728. Local economic indicators show a 14.1% poverty rate alongside 5.2% unemployment. The typical home here is valued at $453,800 (20% above the state average); renters pay a median of $2,196 monthly, and 70.2% of units are owner-occupied.

Educational attainment sits below the national norm: 22.9% of adults hold a bachelor's degree or higher, the median age is 46.5, and the average commute is 28 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Suffolk County, so you can benchmark 11901 against its immediate geography rather than a 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 11901

Top 5 sectors by establishment count in Riverhead, NY

Which industries have the most business establishments in ZIP 11901.

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 11901, Riverhead, 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

27,172

Population

142.9

Area (sq mi)

190

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 11901?

46.5

Median Age

52.7%

Male

47.3%

Female

24.6%

Foreign-Born

White 55.9%
African American 9.0%
Asian 2.5%
American Indian or Alaska Native 0.5%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 15.6%
Hispanic or Latino 29.7%

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?

$85,061

Median Household Income

-8% vs state

$39,728

Per Capita Income

14.1%

Poverty Rate

5.2%

Unemployment Rate

28.4 min

Mean Commute Time

How ZIP 11901 ranks nationally

Riverhead, NY household income vs. every US ZIP code

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

$85,061 Top 32% higher than 68% 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%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $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 55.3%
Bachelor's Degree or Higher 22.9%

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

What does housing look like?

13,578

Total Housing Units

12,085

Occupied Units

1,493

Vacant Units

2.59

Avg Household Size

Occupancy Type

Owner 70.2%
Renter 29.8%

$453,800

Median Home Value

+20% vs state

$2,196

Median Rent

1979

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

+5.9%

YoY Change (2024)

380

HPI Index (2000 = 100)

+280%

Total Change Since 2000

Home values in ZIP 11901 have increased 5.9% over the past year (2024). Since 2000, this ZIP has seen +280% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.0% 257
2021 +13.3% 291
2022 +15.1% 335
2023 +7.2% 359
2024 +5.9% 380

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 1,288 business establishments in ZIP 11901, employing approximately 14,663 people with a combined annual payroll of $840,698,000.

1,288

Businesses

14,663

Employees

$840.7M

Annual Payroll

18

Industry Sectors

Industry Establishments % of Total
Retail trade 287 22.3%
Construction 214 16.6%
Health care and social assistance 157 12.2%
Administrative and support and waste management and remediation services 114 8.8%
Other services (except public administration) 102 7.9%
Accommodation and food services 99 7.7%
Professional, scientific, and technical services 86 6.7%
Finance and insurance 59 4.6%
Real estate and rental and leasing 36 2.8%
Wholesale trade 32 2.5%
Arts, entertainment, and recreation 23 1.8%
Manufacturing 20 1.6%
Information 19 1.5%
Transportation and warehousing 17 1.3%
Utilities 7 0.5%
Educational services 7 0.5%
Management of companies and enterprises 5 0.4%
Agriculture, forestry, fishing and hunting 3 0.2%

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 11901 vs 11931 →

ZIP 11901 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 11901 ranks the most populous - useful context the national average alone can't give.

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

ZIP 11901 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 11901 ranks #6 of 7 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
11931 Aquebogue, NY 151 1.9 mi
11970 South Jamesport, NY 522 3.8 mi
11978 Westhampton Beach, NY 3,255 6.4 mi
11947 Jamesport, NY 416 4.3 mi
11933 Calverton, NY 6,844 5.7 mi
11977 Westhampton, NY 2,467 6.8 mi
11942 East Quogue, NY 4,603 5.8 mi
11948 Laurel, NY 1,123 5.5 mi
11959 Quogue, NY 939 7.3 mi
11972 Speonk, NY 1,321 6.9 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 Riverhead, NY New York

Frequently Asked Questions

What county is ZIP code 11901 in? ▼
ZIP code 11901 (Riverhead) 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 11901? ▼
ZIP code 11901 in Riverhead, NY has a population of 27,172 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 11901? ▼
The median household income in ZIP 11901 is $85,061, which is 11% above the national average of $76,288.
What is the average home value in ZIP 11901? ▼
The median home value in ZIP 11901 is $453,800, which is 63% above the national average of $278,155.
What is the demographic makeup of ZIP 11901? ▼
The largest racial group in ZIP 11901 is White at 55.9%. Hispanic or Latino residents make up 29.7% of the population.
How many businesses are in ZIP code 11901? ▼
ZIP code 11901 has 1,288 business establishments employing approximately 14,663 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 11901? ▼
The top industries by establishment count in ZIP 11901 are: Retail trade (287), Construction (214), Health care and social assistance (157). There are 18 industry sectors represented in total.
How have home values changed in ZIP code 11901? ▼
According to the FHFA House Price Index, home values in ZIP 11901 increased by 5.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 280%. 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 11901? ▼
In ZIP code 11901, 55.3% of residents aged 25+ have a high school diploma or higher, and 22.9% 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 11901? ▼
The mean commute time for workers in ZIP code 11901 is 28.4 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 11901? ▼
In ZIP code 11901, approximately 70.2% of occupied housing units are owner-occupied and 29.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 11901? ▼
The poverty rate in ZIP code 11901 is 14.1% 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.