Salmon, ID GIS Map
Salmon is a city in Lemhi County, Idaho, with a population of about 3,112. The map below shows its location, boundary and surrounding roads, with federal GIS layers you can turn on for the area.
- County
- Lemhi County
- Population
- 3,112
- Elevation
- 3,940 ft
- Coordinates
- 45.1766, -113.8953
- ZIP code
- 83467
- Land area
- 2.5 sq mi
- Time zone
- America/Boise
About Salmon, ID
Salmon is a city in Lemhi County, Idaho. The population was 3,119 at the 2020 census. The city is the county seat of Lemhi County.
Source: Wikipedia (CC BY-SA 4.0)
Cities Near Salmon
GIS Data for Salmon, ID
The Salmon map loads live federal GIS layers in your browser, so you can check flood zones, terrain, land cover and district boundaries for any address in Salmon without a separate GIS login. Everything below is drawn from public U.S. government data.
Layers you can turn on
FEMA flood zones
National Flood Hazard Layer — flood insurance rate map zones.
Elevation contours and hillshade
USGS 3DEP terrain, so you can read slope and relief.
Land cover
NLCD land cover classes — forest, developed, wetland, water.
School districts
Census TIGER unified and elementary school district boundaries.
ZIP code and county boundaries
Census TIGER ZCTA and county boundary lines.
Map tools
Measure distance and area
Draw a line or polygon to get length in miles or area in acres.
Sketch and annotate
Add points, lines and shapes on top of the map.
Inspect any point
Click the map to read coordinates, elevation and the layers under your cursor.
Download the map
Save the current view as a PNG image.
Salmon Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
3,203
Households
1,451
Median household income
$42,844
Median age
46.8 years
Median home value
$235,500
Median gross rent
$590/mo
Owner-occupied homes
66.5%
Bachelor's degree or higher
19.3%
Below poverty level
15.1%
Land area
2.5 sq mi
Population density
1,277 / sq mi
County
ZIP codes in Salmon
Salmon Population Growth
Source: U.S. Census Bureau, 2010 Census and Population Estimates Program (Vintage 2024: April 2020 estimates base and July 1, 2024 estimate).
2010 Census
3,112
April 2020 (estimates base)
3,103
July 2024 estimate
3,257
Change 2010-2020
-0.3%
Change 2020-2024
+5.0%
Photos of Salmon
Hover over a photo to see it larger. Tap on mobile.
Photos from Wikimedia Commons, taken in or near Salmon. Credits and licenses are shown in the larger view.
Soils of Salmon
General soil map unit at the city center: Zeelnot-Snowslide-Bartonflat
Soil Properties
- Drainage class
- Well drained
- Hydrologic soil group
- B (moderate infiltration)
- Available water storage (0–150 cm)
- 11.8 cm
- Typical slope
- 3%
- Flooding frequency
- None
Soil Components
- Bartonflat26%
Mollisols · Calcidic Haploxerolls
- Zeelnot12%
Mollisols · Xeric Calcicryolls
- Snowslide11%
Aridisols · Typic Haplocalcids
- Dawtonia8%
Aridisols · Xeric Calciargids
- Cowbone5%
Mollisols · Aeric Calciaquolls
- Morphey5%
Mollisols · Xerertic Argialbolls
Source: USDA NRCS U.S. General Soil Map (STATSGO2). General soil map data (1:250,000 scale) is not suitable for site-specific decisions.
Climate of Salmon
30-year averages (1991–2020) from the Salmon-Ksra, Id weather station, elevation 3,953 ft.
Warmest month
Jul · avg high 86°F
Coldest month
Jan · avg low 11°F
Annual precipitation
9.5 in
Annual snowfall
22.0 in
Average Monthly Temperatures (°F)
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 36 | 50 | 59 | 68 | 76 | 86 | 85 | 74 | 58 | 41 | 29 |
| Avg low °F | 11 | 16 | 26 | 32 | 40 | 46 | 52 | 49 | 41 | 31 | 22 | 13 |
| Precip. in | 0.58 | 0.37 | 0.47 | 0.77 | 1.29 | 1.63 | 0.77 | 0.60 | 0.79 | 0.81 | 0.67 | 0.73 |
| Snow in | 6.7 | 3.8 | 1.2 | 0.4 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 3.3 | 6.4 |
Source: NOAA NCEI U.S. Climate Normals, 1991–2020. Conditions at the station may differ from other parts of the city.
Natural Hazard Risk in Salmon
FEMA National Risk Index ratings for Lemhi County, compared with all U.S. counties.
Overall risk
Score 41.4 of 100
Expected annual loss
Buildings, population & agriculture
Social vulnerability
Susceptibility to hazard impacts
Community resilience
Ability to prepare & recover
Risk by Hazard
- LandslideRelatively Moderate
- WildfireRelatively Moderate
- LightningRelatively Moderate
- AvalancheVery Low
- Inland FloodingRelatively Low
- EarthquakeVery Low
- Cold WaveRelatively Low
- Winter WeatherVery Low
- DroughtVery Low
- Volcanic ActivityVery Low
- Heat WaveVery Low
- Ice StormVery Low
- HailVery Low
- Strong WindVery Low
- TornadoVery Low
Source: FEMA National Risk Index (December 2025 release). County-level ratings are relative to other U.S. counties and are not a property-specific assessment.
Salmon FAQ
What county is Salmon in?
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Salmon, Idaho is located in Lemhi County.
What is the population of Salmon?
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Salmon has a population of about 3,112, making it the number 28 of the 30 Idaho cities listed on GIS Map.
What is the elevation of Salmon?
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The elevation of Salmon is approximately 3,940 feet (1,201 meters) above sea level at the city center.
What ZIP codes are in Salmon?
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The ZIP code for Salmon is 83467.
What time zone is Salmon in?
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Salmon is in the Mountain Time zone (America/Boise).
How far is Salmon from Boise?
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Salmon is about 157 miles from Boise, the capital of Idaho, in a straight line.
What cities are near Salmon?
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Cities near Salmon include Dillon, MT (61 miles); Hamilton, MT (75 miles); Anaconda, MT (80 miles); Butte, MT (87 miles); Sun Valley, ID (105 miles).
Local notes for Salmon, ID
Questions and local knowledge from people who know the area. Every note is read before it appears here.