Anna, IL Elevation & Topographic Map
Elevation
710 ft 220 m620 ft 190 m580 ft 175 m480 ft 145 m390 ft 120 m340 ft 105 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
Anna sits at about 630 ft (190 m) above sea level, worked out from 2020 Census block heights on USGS 3DEP, weighted by residents.
Typical elevation
630 ft 190 m
most residents: 600–660 ft
Lowest
340 ft 105 m
on the northeast side
Highest
710 ft 220 m
on the south side
Average
620 ft 190 m
all land inside city limits
Anna spans about 370 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 | 630 ft190 m |
| Highest point Inside city limits, on the south side | 710 ft220 m |
| Lowest point Inside city limits, on the northeast side | 340 ft105 m |
| Town center USGS map point for Anna | 630 ft190 m |
| Average of all land | 620 ft190 m |
Elevation profile, south to north
2.1 mi south to north through the town center.
Topographic Map
- Location
- City in Union County, Illinois, United States
- Population
- 4,165 2024 est.
- Land area
- 3.7 sq mi
- Density
- 1,128 per sq mi
- Coordinates
- 37.4603° N, 89.2470° W
- Time zone
- Central UTC−6 / −5
- Landform region
- Interior Low Plateaus
- Drains to
- Ohio River → Mississippi River → Gulf of America
- ZIP codes 1
- 62906
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Sources: U.S. Census Bureau, USGS
Nearby Places
Nearby towns by typical elevation
- Alto Pass710 ft
- Makanda640 ft
- Anna630 ft
- Cobden610 ft
- Pomona Township550 ft
- Makanda Township550 ft
- Jonesboro530 ft
- Dongola450 ft
- Mill Creek400 ft
- McClure340 ft
- Ullin340 ft
Rankings by typical elevation
- Towns in Illinois1,677th highest of 2,872
- Towns in Union County2nd highest of 6
Peaks and hills nearest, by height
- Bald Knob, Union County1,031 ft
- Hamburg Hill900 ft
- Tiptop Knob890 ft
- Pine Knob820 ft
- Iron Mountain700 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); BTS time zones; NOAA NGS survey heights. All public domain.