Sullivan, IL Elevation & Topographic Map

Elevation

700 ft 215 m680 ft 205 m670 ft 205 m650 ft 195 m630 ft 190 m620 ft 190 m

Contours every 100 ft, bold every 500 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.
City area: Fades everything outside the official city limits (US Census).

Elevation Data

Sullivan sits at about 670 ft (205 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.

Typical elevation

670 ft 205 m

most residents: 660–690 ft

Lowest

620 ft 190 m

on the southeast side

Highest

700 ft 215 m

on the northwest side

Average

670 ft 205 m

all land inside city limits

Sullivan spans about 80 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	670 ft205 m
Highest point Inside city limits, on the northwest side	700 ft215 m
Lowest point Inside city limits, on the southeast side	620 ft190 m
Town center USGS map point for Sullivan	680 ft205 m
Average of all land	670 ft205 m

Elevation profile, west to east

1.4 mi west to east through the town center.

Topographic Map

Location: City in Moultrie County, Illinois, United States
Population: 4,298 2024 est.
Land area: 2.8 sq mi
Density: 1,552 per sq mi
Coordinates: 39.5995° N, 88.6078° W
Time zone: Central UTC−6 / −5
Landform region: Central Lowland
Drains to: Kaskaskia River → Mississippi River → Gulf of America
ZIP codes 1: 61951

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Sources: U.S. Census Bureau, USGS

Nearby Places

Nearby towns by typical elevation

Rankings by typical elevation

Towns in Illinois1,132nd highest of 2,872
Towns in Moultrie County8th highest of 15

How we measure

Typical elevation: the population-weighted median: every 2020 Census block inside the city 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 city 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); BTS time zones. All public domain.