Timber Township, IL Elevation & Topographic Map

Topographic elevation map of Timber Township, Illinois, shaded from 430 ft on the southwest side to 650 ft on the northwest side
Elevation
650 ft 200 m590 ft 180 m570 ft 175 m510 ft 155 m460 ft 140 m430 ft 130 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

Timber Township sits at about 610 ft (185 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.

Typical elevation
610 ft 185 m
most residents: 550–620 ft
Lowest
430 ft 130 m
on the southwest side
Highest
650 ft 200 m
on the northwest side
Average
570 ft 175 m
all land inside township boundaries

Timber Township spans about 220 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.

FigureElevation
Typical
Where people live: half of residents higher, half lower
610 ft185 m
Highest point
Inside township boundaries, on the northwest side
650 ft200 m
Lowest point
Inside township boundaries, on the southwest side
430 ft130 m
Airport (PIA)
FAA airport elevation, the highest point of its runways, 4.3 mi northeast of the township boundaries
661 ft201 m
Average of all land570 ft175 m

Elevation profile, south to north

5.7 mi south to north through the middle of Timber Township.

Topographic Map

Topographic elevation map of Timber Township, Illinois, shaded from 430 ft on the southwest side to 650 ft on the northwest side
Township boundaries (dashed) over shaded terrain, with contours every 20 ft (6 m).
Location
Township in Peoria County, Illinois, United States
Population
2,251 2024 est.
Land area
35.9 sq mi + 1.0 sq mi water
Density
63 per sq mi
Coordinates
40.5786° N, 89.8097° W
Time zone
Central UTC−6 / −5
Landform region
Central Lowland
Drains to
Illinois River → Mississippi River → Gulf of America
Airport
General Downing - Peoria International (PIA) 661 ft
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Sources: U.S. Census Bureau, USGS, FAA

Nearby Places

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).
  • 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, 430 ft at 40.5229° N, 89.8596° W, is in such a hollow or patch and is not counted.
  • 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); FAA airport data; BTS time zones; NOAA NGS survey heights. All public domain.