Franklin Grove, IL Elevation & Topographic Map

Elevation
810 ft 250 m800 ft 245 m800 ft 240 m780 ft 240 m770 ft 235 m770 ft 235 m
Contours every 40 ft, bold every 200 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.
- Village area
- Fades everything outside the official village limits (US Census).
Elevation Data
Franklin Grove sits at about 810 ft (245 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
810 ft 245 m
most residents: 800–810 ft
Lowest
770 ft 235 m
on the south side
Highest
810 ft 250 m
on the northeast side
Average
800 ft 245 m
all land inside village limits
Franklin Grove spans about 40 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 | 810 ft245 m |
| Highest point Inside village limits, on the northeast side | 810 ft250 m |
| Lowest point Inside village limits, on the south side | 770 ft235 m |
| Town center USGS map point for Franklin Grove | 810 ft245 m |
| Airport (C73) FAA airport elevation, the highest point of its runways, 7.1 mi west of the village limits | 785 ft239 m |
| Average of all land | 800 ft245 m |
Elevation profile, south to north
0.9 mi south to north through the town center.
Topographic Map
- Location
- Village in Lee County, Illinois, United States
- Population
- 876 2024 est.
- Land area
- 0.4 sq mi
- Density
- 2,106 per sq mi
- Coordinates
- 41.8417° N, 89.3004° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Rock River → Mississippi River → Gulf of America
- Airport
- Dixon Municipal-Charles R Walgreen Field (C73) 785 ft
- ZIP codes 1
- 61031
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Ashton830 ft
- Ashton Township830 ft
- Bradford Township810 ft
- Franklin Grove Township810 ft
- Franklin Grove810 ft
- Lee Center Township790 ft
- Lafayette Township, Ogle County790 ft
- Nachusa790 ft
- Nachusa Township790 ft
- Taylor Township730 ft
- Lost Nation720 ft
Rankings by typical elevation
- Towns in Illinois240th highest of 2,872
- Towns in Lee County17th highest of 36
How we measure
- Typical elevation: the population-weighted median: every 2020 Census block inside the village limits, 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 village limits (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. All public domain.