Warm River

City in Fremont County, Idaho

Aerial view of Warm River, Idaho
Aerial view: USDA NAIP · USGS The National Map (public domain)

Warm River is a city in Fremont County, Idaho, with 4 residents (2020 Census). It sits at 5,295 ft (1,614 m) above sea level. The nearest town is Ashton, 7.1 miles SW.

About Warm River

Warm River is a city in Fremont County, Idaho, United States. The population was 4 at the 2020 census, making it the least populous city in Idaho. It is part of the Rexburg, Idaho Micropolitan Statistical Area.

Text: Wikipedia · CC BY-SA 4.0

Warm River weather: 7-day forecast

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Map of Warm River

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Warm River Street View

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Warm River, ID population

Warm River had 4 residents in the 2020 Census.

2020 Census4
Density6 per sq mi (2 per km²)

Source: U.S. Census Bureau, Decennial Census.

Warm River at a glance

StateIdaho (ID)
CountyFremont County
TypeCity
Population4 (2020)
Land area0.66 sq mi (1.7 km²)
Water area0.01 sq mi (0.03 km²)
Elevation5,295 ft (1,614 m)
Coordinates44.1209° N, 111.3210° W
ZIP code83420
Census code (GEOID)1685420

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Warm River

Straight-line distance between town centers.

Frequently asked questions about Warm River

What county is Warm River in?

Warm River is in Fremont County, Idaho.

What is the population of Warm River, ID?

4 people lived in Warm River at the 2020 Census.

What is the ZIP code of Warm River, ID?

The ZIP code of Warm River is 83420.

What is the elevation of Warm River?

5,295 feet (1,614 m) above sea level.

What towns are near Warm River?

Ashton (7.1 mi), Drummond (8.5 mi), St. Anthony (21.0 mi), Newdale (21.5 mi), Tetonia (22.7 mi).

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