Silvis, IL Elevation & Topographic Map
Elevation
710 ft 215 m670 ft 205 m650 ft 200 m620 ft 190 m580 ft 180 m560 ft 170 m
Contours every 100 ft, bold every 500 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.
- City area
- Fades everything outside the official city limits (US Census).
Elevation Data
Silvis sits at about 680 ft (210 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
680 ft 210 m
most residents: 630–700 ft
Lowest
560 ft 170 m
on the southeast side
Highest
710 ft 215 m
on the south side
Average
650 ft 200 m
all land inside city limits
Silvis spans about 150 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 | 680 ft210 m |
| Highest point Inside city limits, on the south side | 710 ft215 m |
| Lowest point Inside city limits, on the southeast side | 560 ft170 m |
| Town center USGS map point for Silvis | 600 ft180 m |
| Airport (MLI) FAA airport elevation, the highest point of its runways, 4.9 mi southwest of the city limits | 590 ft180 m |
| Average of all land | 650 ft200 m |
Elevation profile, south to north
3.1 mi south to north through the town center.
Topographic Map
- Location
- City in Rock Island County, Illinois, United States
- Population
- 8,003 2024 est.
- Land area
- 4.3 sq mi
- Density
- 1,869 per sq mi
- Coordinates
- 41.5123° N, 90.4151° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Central Lowland
- Drains to
- Mississippi River → Gulf of America
- Airport
- Quad Cities International (MLI) 590 ft
- ZIP codes 2
- 61244 61282
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Sources: U.S. Census Bureau, USGS, FAA
Nearby Places
Nearby towns by typical elevation
- Silvis680 ft
- South Moline Township680 ft
- East Moline670 ft
- Hampton Township670 ft
- Hampton670 ft
- Riverdale, IA650 ft
- Carbon Cliff640 ft
- Panorama Park, IA610 ft
- Colona Township600 ft
- Barstow570 ft
- Campbell's Island570 ft
Rankings by typical elevation
- Towns in Illinois1,054th highest of 2,872
- Towns in Rock Island County17th highest of 42
Peaks and hills nearest, by height
- Army Ridge Bluffs740 ft
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); FAA airport data; BTS time zones. All public domain.