Idaho County, ID Elevation & Topographic Map
Elevation
9,370 ft 2,855 m7,260 ft 2,210 m6,200 ft 1,890 m4,090 ft 1,245 m1,970 ft 600 m910 ft 280 m
Zoom in for contour lines
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.
- County area
- Fades everything outside the official county boundary (US Census).
Elevation Data
Idaho County averages about 5,120 ft (1,560 m) above sea level across all its land. Its ground runs from 910 ft on the west side to 9,370 ft on the east side.
Average elevation
5,120 ft 1,560 m
all land inside the county
Highest
9,370 ft 2,855 m
on the east side
Lowest
910 ft 280 m
on the west side
Idaho County spans about 8,460 ft of height, so no single spot tells the whole story. The ruler shows where most of its land lies, and where the other numbers you'll see come from.
| Figure | Elevation |
|---|---|
| Average of all land | 5,120 ft1,560 m |
| Highest point Inside the county, on the east side | 9,370 ft2,855 m |
| Lowest point Inside the county, on the west side | 910 ft280 m |
Elevation profile, south to north
83 mi south to north through Grangeville.
Topographic Map
- Location
- County in Idaho, United States
- Population
- 17,912 2024 est.
- Land area
- 8,477.5 sq mi + 26.1 sq mi water
- Density
- 2.1 per sq mi
- Time zones
- Pacific UTC−8 / −7, Mountain UTC−7 / −6
- Landform regions
- Northern Rocky Mountains 87%, Columbia Plateau 13%
- Drains to
- Pacific Ocean
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Sources: U.S. Census Bureau, USGS
Nearby Places
Neighboring counties sharing a border, by average
- Lemhi County6,930 ft
- Valley County6,510 ft
- Ravalli County, MT5,890 ft
- Idaho County5,120 ft
- Missoula County, MT4,960 ft
- Adams County4,790 ft
- Wallowa County, OR4,470 ft
- Clearwater County3,910 ft
- Lewis County3,440 ft
- Nez Perce County2,590 ft
Rankings by average elevation
- Counties in Idaho21st highest of 44
- Counties in the United States167th highest of 3,151
Peaks and hills highest inside
- She Devil9,350 ft
- Cottonwood Butte9,340 ft
- Salmon Mountain8,949 ft
- Buffalo Hump8,942 ft
- Stripe Mountain8,940 ft
All 9 towns in Idaho County by typical elevation
- Elk City4,090 ft
- Ferdinand3,750 ft
- Cottonwood3,570 ft
- Grangeville3,420 ft
- Riggins1,800 ft
- White Bird1,580 ft
- Stites1,320 ft
- Kooskia1,260 ft
- Kamiah partly1,240 ft
How we measure
- Average: every USGS 3DEP bare-earth cell of land inside the Census county boundary (TIGER/Line, Jan 1 2026), weighted equally, on a 3 arc-second (≈300 ft, 93 m) grid, coarsened from 1 arc-second so the whole area fits one run. Land means the boundary minus Census area water (on this grid, water areas of at least half a cell).
- Highest and lowest: the highest land cell, re-read at 1 arc-second around the 25 highest grid cells. Lowest: the lowest land cell, re-read at 1 arc-second around the 25 lowest grid cells; coastal ground within 3 ft (1 m) of named tidal water counts as sea level.
- Nearby Places: neighboring counties and rankings use each one's average elevation, on its own grid, the same figure its page shows. Peaks and hills: the highest summits inside the county with at least 980 ft (300 m) of prominence, then the highest federal (GNIS) summits inside it 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).
- Towns: each town's typical elevation (population-weighted median of its own 2020 blocks at 1 arc-second); a town is listed when any of its 2020 residents live in the county.
- 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 (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 (TIGER boundaries and water, 2020 blocks, 2024 population estimates, county adjacency); NOAA NGS survey heights; BTS time zones. All public domain.