Richmond County, NY Elevation & Topographic Map

Topographic elevation map of Richmond County, New York, shaded from sea level on Upper New York Bay to 410 ft on Todt Hill
Elevation
410 ft 125 m310 ft 95 m260 ft 80 m150 ft 45 m51 ft 16 m0 ft 0 m
Contours every 200 ft, bold every 1,000 ft
USGS 3DEP · U.S. Census Bureau
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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.
County area
Fades everything outside the official county boundary (US Census).

Elevation Data

Richmond County averages about 70 ft (21 m) above sea level across all its land. Its ground runs from sea level on Upper New York Bay to 410 ft on Todt Hill.

Average elevation
70 ft 21 m
all land inside the county
Highest
410 ft 125 m
on Todt Hill
Lowest
0 ft 0 m
at sea level on Upper New York Bay

Richmond County spans about 410 ft of height, so no single spot tells the whole story. The ruler shows where most of its land lies, and where the other numbers you'll see come from.

FigureElevation
Average of all land70 ft21 m
Highest point
Inside the county, on Todt Hill
410 ft125 m
Lowest point
Where the land meets Upper New York Bay
0 ft0 m

Elevation profile, south to north

10 mi south to north through the middle of Richmond County.

Topographic Map

Topographic elevation map of Richmond County, New York, shaded from sea level on Upper New York Bay to 410 ft on Todt Hill
County boundary (dashed) over shaded terrain, with contours every 20 ft (6 m).
Location
County in New York, United States
Population
498,212 2024 est.
Land area
57.5 sq mi + 45.3 sq mi water
Density
8,661 per sq mi
Time zone
Eastern UTC−5 / −4
Landform regions
Coastal Plain 79%, Piedmont 11%
Drains to
Atlantic Ocean
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Sources: U.S. Census Bureau, USGS

Nearby Places

Neighboring counties sharing a border, by average

  1. Union County, NJ120 ft
  2. Monmouth County, NJ100 ft
  3. Middlesex County, NJ81 ft
  4. Richmond County70 ft
  5. Queens County50 ft
  6. Hudson County, NJ41 ft
  7. Kings County36 ft

Rankings by average elevation

Peaks and hills highest inside

  • Todt Hill410 ft
The one town in Richmond County
  1. New York partly46 ft
How we measure
  • Average: every USGS 3DEP bare-earth cell of land inside the Census county boundary (TIGER/Line, Jan 1 2026), weighted equally, on a 1 arc-second (≈100 ft, 30 m) grid. Land means the boundary minus Census area water.
  • Highest and lowest: the highest land cell. Lowest: the lowest land cell; coastal ground within 3 ft (1 m) of named tidal water counts as sea level.
  • 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, −5 ft at 40.5535° N, 74.1063° 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: neighboring counties and rankings use each one's average elevation, on its own grid, the same figure its page shows. Peaks and hills: the highest summits inside the county with at least 980 ft (300 m) of prominence, then the highest federal (GNIS) summits inside it 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).
  • Towns: each town's typical elevation (population-weighted median of its own 2020 blocks at 1 arc-second); a town is listed when any of its 2020 residents live in the county.
  • 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 (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 (TIGER boundaries and water, 2020 blocks, 2024 population estimates, county adjacency); NOAA NGS survey heights; BTS time zones. All public domain.