Map of Alder CDP, Montana

Alder is a census-designated place (CDP) in Madison County, Montana, United States. The population was 86 at the 2020 census. The community takes its name from Alder Creek (named by Henry Edgar in 1863), the site of the second major gold discovery in Montana.

Alder CDP overview:
Name:	Alder CDP
LSAD Code:	57
LSAD Description:	CDP (suffix)
State:	Montana
County:	Madison County
Elevation:	5,121 ft (1,561 m)
Total Area:	2.01 sq mi (5.20 km²)
Land Area:	2.01 sq mi (5.20 km²)
Water Area:	0.00 sq mi (0.00 km²)
Total Population:	86
Population Density:	42.85/sq mi (16.55/km²)
ZIP code:	59710
Area code:	406
FIPS code:	3000850
GNISfeature ID:	0801986

Online Interactive Map

Alder online map. Source: Basemap layers from Google Map, Open Street Map (OSM), Arcgisonline, Wmflabs. Boundary Data from Database of Global Administrative Areas.

Alder location map. Where is Alder CDP?

Alder location on the U.S. Map. Where is Alder CDP. — Alder location on the U.S. Map.

Alder location on the Montana map. Where is Alder CDP. — Location of Alder in Montana.

Alder Road Map

Alder city Satellite Map

Geography

Alder is located at 45°19′28″N 112°6′29″W / 45.32444°N 112.10806°W / 45.32444; -112.10806 (45.324531, -112.108035). Montana Highway 287 passes through town. Ruby Reservoir is to the south.

According to the United States Census Bureau, the CDP has a total area of 2.0 square miles (5.2 km), all land.

Climate

This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the Köppen Climate Classification system, Alder has a humid continental climate, abbreviated “Dfb” on climate maps.