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 High-density area
- $85,061
- Median income Above-median income area
- $453,800
- Median home value Above-median home value
- 22.9%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 11901 (Riverhead, NY) rose +5.9% from 2023 to 2024. The all-transactions index moved from 358.8 in 2023 to 380.1 in 2024 (2000 = 100).
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 average New York ZIP), while per-capita income is $39,728. The poverty rate is 14.1%, with unemployment at 5.2%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $453,800 (20% above the average New York ZIP), while 70.2% of occupied homes are owner-occupied and median rent is $2,196.
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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Suffolk County, so 11901 can be compared with both its immediate and county-level context.
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.
- Retail trade
Retail trade
287 establishments
- Construction
Construction
214 establishments
- Health care and social assistance
Health care and social assistance
157 establishments
- Administrative and support and waste management and remediation services 114
Administrative and support and waste management and remediation services
114 establishments
- Other services (except public administration) 102
Other services (except public administration)
102 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, 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
Who lives in ZIP 11901?
46.5
Median Age
52.7%
Male
47.3%
Female
24.6%
Foreign-Born
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 ZIP avg
$39,728
Per Capita Income
14.1%
Poverty Rate
5.2%
Unemployment Rate
28.4 min
Mean Commute Time
How ZIP 11901 ranks among New York ZIPs
Riverhead, NY household income vs. every New York ZIP code
Median household income among 1,626 reporting New York ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$85,061 Top 46% higher than 54% of 1,626 New York ZIPs
Each bar is a $20K-wide band; taller bars hold more New York 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
13,578housing units
13,578
Total Housing Units
12,085
Occupied Units
1,493
Vacant Units
2.59
Avg Household Size
Occupancy Type
$453,800
Median Home Value
+20% vs state ZIP avg
$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.
- 11901
Riverhead (11901)
27,172 residents
- 11933 6,844
Calverton (11933)
6,844 residents
- 11942 4,603
East Quogue (11942)
4,603 residents
- 11978 3,255
Westhampton Beach (11978)
3,255 residents
- 11977 2,467
Westhampton (11977)
2,467 residents
- 11972 1,321
Speonk (11972)
1,321 residents
- 11948 1,123
Laurel (11948)
1,123 residents
- 11959 939
Quogue (11959)
939 residents
- 11970 522
South Jamesport (11970)
522 residents
What this shows Among its immediate neighbors, ZIP 11901 ranks the most populous - useful context the national average alone can't give.
ZIP 11901 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 11977
Westhampton (11977)
$151,375 median income
- 11948
Laurel (11948)
$148,398 median income
- 11978
Westhampton Beach (11978)
$125,179 median income
- 11942
East Quogue (11942)
$93,710 median income
- 11959
Quogue (11959)
$88,542 median income
- 11901
Riverhead (11901)
$85,061 median income
- 11933
Calverton (11933)
$74,195 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 11901, both outside NY so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (27,172 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Suffolk County
Related Areas
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.
Related
Take this with you
What to do with ZIP 11901's numbers, next.
- See how ZIP 11901 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Riverhead, NY ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.