Riverhead, NY 11901 ZIP Code Profile

Related Place Profiles:
Flanders, NY | Northampton, NY | Riverhead, NY

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ZIP Code 11901: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Riverhead, NY 11901

Acceptable Alternative
Flanders, NY 11901

Not Acceptable, USPS
Northampton, NY 11901

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,473
  • Single Family Addresses: 9,202
  • Multi-Family Addresses: 837
  • County: Suffolk County
  • Centroid: Latitude 40.928, Longitude -72.656
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood Data

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11901 ZIP Code Map

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Riverhead, NY 11901 Data & Demographics (As of July 1, 2016)


Total Population 28,873
Population in Households 27,171
Population in Familes 20,496
Population in Group Qrtrs 1,702
Population Density1 536
Diversity Index2 72


Total Households 10,185
Average Household Size 2.67
Family Households 6,498
Average Family Size 3


Total Housing Units 12,017 (100%)
Owner Occupied HU 6,935 (57.7%)
Renter Occupied HU 3,250 (27.0%)
Vacant Housing Units 1,832 (15.2%)
Median Home Value $360,145
Average Home Value $419,402


Median Household Income $61,200
Average Household Income $85,283
Per Capita Income $31,161
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.65% 0.44%
Households 0.56% 0.44%
Families 0.41% 0.35%
Median Household Income   2.29%
Per Capita Income   1.53%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Riverhead, NY 11901 - Peer Comparisons by Rank and Percentile

The table below compares 11901 to the other 1,741 ZIP Codes in New York by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 222 87th
Population Density1 # 647 63rd
Diversity Index2 # 147 92nd
Median Household Income # 610 65th
Per Capita Income # 687 61st

Additional comparisons and rankings can be made with a VERY EASY TO USE New York Census Data Comparison Tool.

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