South Londonderry Township, PA Elevation & Topographic Map
Elevation
890 ft 270 m770 ft 235 m710 ft 215 m590 ft 180 m470 ft 145 m410 ft 125 m
Contours every 200 ft, bold every 1,000 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.
- Township area
- Fades everything outside the official township boundaries (US Census).
Elevation Data
South Londonderry Township sits at about 490 ft (150 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
490 ft 150 m
most residents: 450–610 ft
Lowest
410 ft 125 m
on the northwest side
Highest
890 ft 270 m
on the east side
Average
550 ft 165 m
all land inside township boundaries
South Londonderry Township spans about 480 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 | 490 ft150 m |
| Highest point Inside township boundaries, on the east side | 890 ft270 m |
| Lowest point Inside township boundaries, on the northwest side | 410 ft125 m |
| Airport (MDT) FAA airport elevation, the highest point of its runways, 9.8 mi southwest of the township boundaries | 310 ft94 m |
| Average of all land | 550 ft165 m |
Elevation profile, south to north
6.1 mi south to north through the middle of South Londonderry Township.
Topographic Map
- Location
- Township in Lebanon County, Pennsylvania, United States
- Population
- 8,921 2024 est.
- Land area
- 24.4 sq mi
- Density
- 366 per sq mi
- Coordinates
- 40.2700° N, 76.5727° W
- Time zone
- Eastern UTC−5 / −4
- Landform region
- Piedmont
- Drains to
- Susquehanna River → Atlantic Ocean
- Airport
- Harrisburg International (MDT) 310 ft
- ZIP codes 8
- 17003 17010 17033 17041 17042 17064 17078 17545
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Conewago Township, Dauphin County560 ft
- South Londonderry Township490 ft
- Campbelltown480 ft
- South Annville Township460 ft
- Palmyra460 ft
- North Londonderry Township460 ft
- Palmdale440 ft
- Annville430 ft
- Annville Township430 ft
- Hershey430 ft
- Derry Township420 ft
Rankings by typical elevation
- Towns in Pennsylvania2,897th highest of 3,545
- Towns in Lebanon County22nd highest of 40
Peaks and hills nearest, by height
- Quirauk Mountain2,140 ft
- Governor Dick Hill1,151 ft
- Spring Hill1,090 ft
- Hulls Hill790 ft
- Conewago Hill770 ft
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the township 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 township boundaries (TIGER, Jan 1 2026).
- 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.