Plattsmouth, Nebraska

Plattsmouth, Nebraska
The Plattsmouth Main Street Historic District is listed in the National Register of Historic Places. At upper right is the clock tower of the Cass County Courthouse.
Location of Plattsmouth, Nebraska
Coordinates: 41°00′19″N 95°53′38″W / 41.00528°N 95.89389°W / 41.00528; -95.89389
CountryUnited States
StateNebraska
CountyCass
Incorporated1855
Area
  Total
3.32 sq mi (8.60 km2)
  Land3.31 sq mi (8.58 km2)
  Water0.01 sq mi (0.02 km2)
Elevation
1,050 ft (320 m)
Population
 (2020)
  Total
6,486
  Density1,975.25/sq mi (762.75/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
ZIP code
68048
Area code402
FIPS code31-39345
GNIS feature ID2396229
Websiteplattsmouth.org

Plattsmouth is a city in and the county seat of Cass County, Nebraska, United States. The population was 6,620 at the 2020 census.