Cabin John, Maryland

Cabin John, Maryland
Location in Montgomery County and Maryland
Coordinates: 38°58′26″N 77°09′47″W / 38.97389°N 77.16306°W / 38.97389; -77.16306
Country United States
State Maryland
County Montgomery
Area
 • Total
1.64 sq mi (4.25 km2)
 • Land1.22 sq mi (3.16 km2)
 • Water0.42 sq mi (1.09 km2)
Elevation
141 ft (43 m)
Population
 (2020)
 • Total
2,459
 • Density2,015.7/sq mi (778.25/km2)
Time zoneUTC−5 (Eastern (EST))
 • Summer (DST)UTC−4 (EDT)
ZIP code
20818
Area codes301, 240
FIPS code24-12075
GNIS feature ID2389262

Cabin John is a census-designated place and unincorporated area in Montgomery County, Maryland, United States. As of the 2020 census, it had a population of 2,459. Overlooking the Potomac River, it is a suburb of Washington, D.C.