Okawville Township, IL Elevation & Topographic Map
Elevation
500 ft 155 m480 ft 145 m460 ft 140 m440 ft 135 m410 ft 125 m400 ft 120 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
Okawville Township sits at about 440 ft (135 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
440 ft 135 m
most residents: 430–460 ft
Lowest
400 ft 120 m
on the northwest side
Highest
500 ft 155 m
on the southeast side
Average
440 ft 135 m
all land inside township boundaries
Okawville Township spans about 100 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 | 440 ft135 m |
| Highest point Inside township boundaries, on the southeast side | 500 ft155 m |
| Lowest point Inside township boundaries, on the northwest side | 400 ft120 m |
| Town center USGS map point for Okawville Township | 440 ft135 m |
| Average of all land | 440 ft135 m |
Elevation profile, south to north
5.8 mi south to north through the town center.
Topographic Map
- Location
- Township in Washington County, Illinois, United States
- Population
- 1,931 2024 est.
- Land area
- 36.3 sq mi + 0.1 sq mi water
- Density
- 53 per sq mi
- Coordinates
- 38.4342° N, 89.5504° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Kaskaskia River → Mississippi River → Gulf of America
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Addieville470 ft
- Plum Hill Township470 ft
- Covington Township450 ft
- Venedy450 ft
- Johannisburg Township450 ft
- Okawville Township440 ft
- Okawville440 ft
- Albers440 ft
- Germantown Township430 ft
- Damiansville430 ft
- Venedy Township420 ft
Rankings by typical elevation
- Towns in Illinois2,670th highest of 2,872
- Towns in Washington County26th highest of 28
Peaks and hills nearest, by height
- Berger Hill560 ft
- Corcoran Hill539 ft
- Schaeffer Hill530 ft
- Point Lookout480 ft
- Heimanns Hill420 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); BTS time zones; NOAA NGS survey heights. All public domain.