Riverhead, NY Elevation & Topographic Map
Elevation
230 ft 70 m170 ft 55 m140 ft 45 m87 ft 26 m29 ft 9 m0 ft 0 m
Contours every 500 ft, bold every 2,500 ft
USGS 3DEP · U.S. Census Bureau
How to use this mapviews, tools and data
- Elevation
- Ground colored by height from green (lowest) to white (highest), with contour lines every 40–500 ft (USGS data).
- Satellite
- A 2016 satellite photo at 33 ft (10 m) detail; contours off.
- 3D
- Tilt and turn the terrain; hills are raised 1.5×, or set ×1 for true height.
- Click or tap anywhere
- The exact elevation of that spot in ft and m.
- Measure
- Pick two points for the climb, descent and grade along a straight line.
- Town area
- Fades everything outside the official town boundaries (US Census).
Elevation Data
Riverhead sits at about 40 ft (12 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
40 ft 12 m
most residents: 15–120 ft
Lowest
0 ft 0 m
at sea level on Long Island Sound
Highest
230 ft 70 m
on the west side
Average
63 ft 19 m
all land inside town boundaries
Riverhead spans about 230 ft of height, so no single spot tells the whole story. The ruler shows where its people live, and where the other numbers you'll see come from.
| Figure | Elevation |
|---|---|
| Typical Where people live: half of residents higher, half lower | 40 ft12 m |
| Highest point Inside town boundaries, on the west side | 230 ft70 m |
| Lowest point Where the land meets Long Island Sound | 0 ft0 m |
| Town center USGS map point for Riverhead | 9 ft3 m |
| Airport (FOK) FAA airport elevation, the highest point of its runways, 5.1 mi south of the town boundaries | 66 ft20 m |
| Average of all land | 63 ft19 m |
Elevation profile, south to north
13 mi south to north through the town center.
Topographic Map
- Location
- Town in Suffolk County, New York, United States
- Population
- 36,067 2024 est.
- Land area
- 67.4 sq mi + 133.9 sq mi water
- Density
- 535 per sq mi
- Coordinates
- 40.9170° N, 72.6620° W
- Time zone
- Eastern UTC−5 / −4
- Landform region
- Coastal Plain
- Drains to
- Atlantic Ocean
- Airport
- Francis S Gabreski (FOK) 66 ft
- ZIP codes 8
- 11792 11901 11931 11933 11947 11948 11949 11970
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Baiting Hollow120 ft
- Calverton54 ft
- Northville50 ft
- Riverhead40 ft
- Westhampton31 ft
- Northampton, Suffolk County31 ft
- Aquebogue26 ft
- Laurel21 ft
- Flanders18 ft
- Riverside18 ft
- Jamesport17 ft
Rankings by typical elevation
- Towns in New York1,971st highest of 2,097
- Towns in Suffolk County86th highest of 162
Peaks and hills nearest, by height
- South Beacon Mountain1,600 ft
- Bald Hill, Suffolk County294 ft
- Rock Hill, Suffolk County260 ft
- Mattituck Hills160 ft
- Jacobs Hill, Suffolk County130 ft
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the town boundaries, at its USGS 3DEP height, weighted by the people who live there. Half of residents live higher, half lower.
- Lowest, highest, average: USGS 3DEP bare-earth heights on a 1 arc-second (≈100 ft, 30 m) grid, land only, inside the Census town boundaries (TIGER, Jan 1 2026).
- Pits: the lowest point is the lowest ground outside closed hollows (quarry floors, mine pits, terrain-model artifacts): any hollow under 0.4 sq mi (1 km²), and any hollow under 2 sq mi (5 km²) whose floor is more than 100 ft (30 m) below its rim; and outside patches below sea level of under 0.4 sq mi (1 km²). The single lowest 3DEP cell, −2 ft at 40.9663° N, 72.8596° W, is in such a hollow or patch and is not counted; this coastal land's lowest point is sea level on the coast.
- Nearby Places: nearby towns and rankings use each town's typical elevation, so every town is compared like for like. Rankings count every city, town, township and census-designated place, including places inside a town. Peaks and hills: the nearest summits with at least 980 ft (300 m) of prominence within 62 mi (100 km), then federal (GNIS) summits within 16 mi (25 km) when there are fewer than 5; each is the 3DEP top on a ~7 ft (2 m) window, or the NGS published height when a usable survey mark sits within 160 ft (50 m) of it (shown as published).
- Rounding: computed heights are rounded to 10 ft (5 m), or to 1 ft (1 m) under 100 ft; 3DEP is good to about a meter, not a foot. Published figures (FAA airport elevation, NGS survey heights) are shown as their publisher gives them.
- Datum: North American Vertical Datum of 1988 (NAVD 88). NGS plans to replace NAVD 88 with a new datum (NAPGD2022); heights will then shift slightly.
- Sources: USGS 3DEP, GNIS, Watershed Boundary Dataset and physiographic provinces; U.S. Census Bureau (boundaries, 2020 blocks, 2024 population estimates, Gazetteer areas, ZIP code areas); FAA airport data; BTS time zones; NOAA NGS survey heights. All public domain.