11901 ZIP Code — Riverhead, NY
Suffolk County, New York
ZIP code 11901 is located in Riverhead, New York, within Suffolk County. It covers approximately 56.70 square miles and serves a population of 32,330 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.
About ZIP code 11901
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $396,200. Owner-occupancy sits near the national average at 69%.
Median household income is $78,857. 44% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.
Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.
32,330
population
56.70
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
11901 ZIP code map
Cities in ZIP code 11901
Below are the cities the US Postal Service accepts for ZIP code 11901. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Riverhead | Acceptable |
| Riverhead | Preferred |
Nearby ZIP codes
11948 Laurel (5.3 mi)
11933 Calverton (5.5 mi)
11942 East Quogue (5.8 mi)
11946 Hampton Bays (6.8 mi)
11952 Mattituck (7.3 mi)
11978 Westhampton Beach (7.3 mi)
11977 Westhampton (7.9 mi)
11941 Eastport (7.9 mi)
11949 Manorville (8.3 mi)
11935 Cutchogue (9.8 mi)
11940 East Moriches (10 mi)
11792 Wading River (10.2 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 32,330 |
| Population density | 570 / sq mi |
| State FIPS | 36 |
| County FIPS | 103 |
| Geography | |
|---|---|
| Land area | 56.70 sq mi |
| Water area | 4.78 sq mi |
| Latitude | 40.9243 |
| Longitude | -72.6426 |
| Timezone | Eastern (ET) |
| Area code | 631 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.7% | 22.6% | 37.0% |
| $50k – $100k | 30.8% | 24.7% | 27.0% |
| $100k – $200k | 26.5% | 34.6% | 24.4% |
| Over $200k | 6.0% | 18.0% | 11.5% |
Demographics & statistics
32,330
Population
570
People per sq mi
44.4
Median age
$78,857
Median household income
$37,222
Per capita income
$396,200
Median home value
$1,864
Median monthly rent
69.0%
Home ownership
13.4%
Poverty rate
6.4%
Unemployment
9,639
Housing units
21.9%
Bachelor's or higher
Age distribution
Male
Female
1,211
Under 5
1,049
618
5–9
535
696
10–14
602
996
15–19
863
1,165
20–24
1,009
2,519
25–34
2,181
1,635
35–44
1,415
1,604
45–54
1,388
1,070
55–59
927
1,511
60–64
1,309
2,933
65–74
2,540
876
75–84
758
493
85+
427
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 6,165 | 19.1% |
| 18 and over | 26,165 | 80.9% |
| 65 and over | 8,027 | 24.8% |
| Median age | 44.4 years | |
Race & ethnicity
White
53.1%
Hispanic or Latino
15.6%
Black or African American
10.3%
Other race
9.8%
Two or more races
9.3%
Asian
1.9%
American Indian / Alaska Native
0.1%
| Group | Count | % |
|---|---|---|
| White | 20,351 | 53.1% |
| Hispanic or Latino | 5,967 | 15.6% |
| Black or African American | 3,929 | 10.3% |
| Other race | 3,744 | 9.8% |
| Two or more races | 3,562 | 9.3% |
| Asian | 716 | 1.9% |
| American Indian / Alaska Native | 28 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.7% | 22.6% | 37.0% |
| $50k – $100k | 30.8% | 24.7% | 27.0% |
| $100k – $200k | 26.5% | 34.6% | 24.4% |
| Over $200k | 6.0% | 18.0% | 11.5% |
Under $10k
5.2%
$10k–$15k
4.4%
$15k–$25k
7.3%
$25k–$35k
4.6%
$35k–$50k
10.3%
$50k–$75k
16.6%
$75k–$100k
12.9%
$100k–$150k
16.5%
$150k–$200k
13.7%
$200k+
8.5%
| Range | % of households |
|---|---|
| Under $10k | 5.2% |
| $10k–$15k | 4.4% |
| $15k–$25k | 7.3% |
| $25k–$35k | 4.6% |
| $35k–$50k | 10.3% |
| $50k–$75k | 16.6% |
| $75k–$100k | 12.9% |
| $100k–$150k | 16.5% |
| $150k–$200k | 13.7% |
| $200k+ | 8.5% |
| Median income | $78,857 |
Housing
Home values
Under $50k
5.4%
$50k–$100k
5.6%
$100k–$150k
4.6%
$150k–$200k
2.3%
$200k–$300k
8.2%
$300k–$500k
45.4%
$500k–$1M
23.7%
$1M+
4.8%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $396,200 |
| Median rent / month | $1,864 |
| Owner occupied | 69.0% |
| Renter occupied | 31.0% |
| Vacant | 13.4% |
| Single-family detached | 65.9% |
| Large apartment buildings | 1.6% |
| Mobile homes | 15.7% |
| Median rooms | 5.3 |
| Avg household size (owned) | 2.48 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.4% |
| 2010–2019 | 4.2% |
| 2000–2009 | 19.8% |
| 1990–1999 | 13.6% |
| 1980–1989 | 11.1% |
| 1970–1979 | 11.5% |
| 1960–1969 | 8.0% |
| 1950–1959 | 10.5% |
| 1940–1949 | 9.5% |
| 1939 or earlier | 11.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.5% |
| 1 bedroom | 9.8% |
| 2 bedrooms | 35.3% |
| 3 bedrooms | 37.7% |
| 4 bedrooms | 13.0% |
| 5+ bedrooms | 2.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 8.0% |
| 1 vehicle | 34.4% |
| 2 vehicles | 35.0% |
| 3 or more | 22.7% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 41.8% |
| Electricity | 8.8% |
| Propane / LP gas | 5.9% |
| Fuel oil | 42.2% |
| Wood | 0.6% |
| No fuel used | 0.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 5,699 | 50.0% |
| Cohabiting couple | 784 | 6.9% |
| Male householder, no spouse | 1,859 | 16.3% |
| Female householder, no spouse | 3,064 | 26.9% |
| Households with children under 18 | 2,612 | 22.9% |
| Households with seniors (65+) | 5,302 | 46.5% |
| Average household size | 2.66 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 41.6% | 32.1% |
| Married | 44.8% | 45.4% |
| Separated | 1.8% | 1.5% |
| Widowed | 1.4% | 11.4% |
| Divorced | 10.4% | 9.6% |
Education
Less than 9th grade
10.9%
Some HS, no diploma
8.9%
HS graduate
35.2%
Some college, no degree
14.5%
Associate's degree
8.7%
Bachelor's degree
12.9%
Graduate / professional
9.0%
| Metric | % |
|---|---|
| HS diploma or higher | 80.3% |
| Bachelor's or higher | 21.9% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 336 | 5.8% |
| Kindergarten | 423 | 7.3% |
| Elementary school | 1,828 | 31.4% |
| High school | 1,605 | 27.6% |
| College / grad school | 1,625 | 27.9% |
Employment
Industry of employment
Education & healthcare
22.7%
Construction
15.0%
Retail trade
12.8%
Professional & management
12.6%
Arts, food & hospitality
6.9%
Transportation & utilities
5.3%
Other services
5.1%
Public administration
4.4%
Finance & real estate
3.8%
Manufacturing
3.0%
Agriculture & mining
2.9%
Information
2.7%
Wholesale trade
2.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 29.3% |
| Service | 21.9% |
| Sales & office | 22.3% |
| Natural resources & construction | 14.2% |
| Production & transportation | 12.2% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.8% |
| Government | 13.7% |
| Self-employed | 6.0% |
| Unpaid family workers | 0.5% |
Commute
| Method | % |
|---|---|
| Drive alone | 81.2% |
| Carpool | 9.0% |
| Public transit | 2.0% |
| Walk | 2.3% |
| Work from home | 4.3% |
| Other means | 1.2% |
| Avg commute (minutes) | 28.0 |
Poverty
All people
13.4%
Under 18 years
25.5%
18 and over
10.3%
Married-couple families
5.6%
Female-led households
30.6%
Income support
| Source | % of households |
|---|---|
| Social Security | 44.2% |
| Retirement income | 32.9% |
| Supplemental Security | 7.3% |
| Cash public assistance | 1.4% |
| Food stamps / SNAP | 8.3% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 30.1% |
| High blood pressure | 31.5% |
| High cholesterol | 30.7% |
| Diabetes | 9.9% |
| Heart disease | 6.3% |
| Stroke | 3.1% |
| Asthma | 9.9% |
| Arthritis | 21.5% |
| Kidney disease | 3.0% |
| Pulmonary disease | 6.8% |
| Cancer | 6.7% |
| Behavior / access | % |
|---|---|
| Smoking | 17.0% |
| Binge drinking | 17.2% |
| No physical activity | 27.5% |
| Less than 7 hrs sleep | 36.1% |
| Depression | 16.8% |
| Fair or poor health | 14.6% |
| Poor mental health | 14.1% |
| Poor physical health | 10.3% |
| No health insurance | 17.2% |
| Visited doctor (checkup) | 78.2% |
| Visited dentist | 61.2% |
| Cholesterol screening | 90.2% |
| Teeth loss | 15.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,316 | 5.0% |
| Disability | % |
|---|---|
| Any disability | 15.5% |
| Under 18 | 5.0% |
| 18–64 years | 10.8% |
| 65 and over | 33.7% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 66.9% |
| Public insurance | 43.9% |
| No insurance | 10.3% |
| Uninsured under 19 | 1.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 30,070 | 93.0% |
| Spanish | 4,854 | 16.1% |
| Other Indo-European | 4,023 | 13.4% |
| Asian & Pacific Islander | 757 | 2.5% |
| Other languages | 9 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 24,696 | 76.4% |
| Born in same state | 24,445 | 75.6% |
| Born in different state | 21,328 | 66.0% |
| Foreign born | 251 | 0.8% |
| Naturalized citizen | 7,634 | 23.6% |
| Not a US citizen | 3,231 | 42.3% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 4,186 | 12.9% |
| Arab | 2,114 | 6.5% |
| French | 1,456 | 4.5% |
| English | 446 | 1.4% |
| Norwegian | 219 | 0.7% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 213 | 0.7% |
| German | 108 | 0.3% |
| Irish | 86 | 0.3% |
| Dutch | 54 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 35.3% |
| Internet access | 89.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 11901
What city is ZIP code 11901 in?
ZIP code 11901 is primarily assigned to Riverhead, New York.
What county is ZIP code 11901 in?
ZIP code 11901 falls within Suffolk County, New York.
Does ZIP code 11901 have a large retiree population?
44% of households in ZIP code 11901 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 11901?
The median home value in ZIP code 11901 is $396,200.
What is the population of ZIP code 11901?
ZIP code 11901 has an estimated population of 32,330 residents, with a density of 570 people per square mile.
What is the median household income in ZIP code 11901?
The median household income in ZIP code 11901 is $78,857, above the national median of ~$75,000.
What timezone is ZIP code 11901 in?
ZIP code 11901 observes the EST timezone.