Seneca, Missouri

Seneca, Missouri
Downtown Seneca
Location of Seneca, Missouri
Coordinates: 36°50′40″N 94°36′34″W / 36.84444°N 94.60944°W / 36.84444; -94.60944
CountryUnited States
StateMissouri
CountyNewton
Area
 • Total
2.56 sq mi (6.63 km2)
 • Land2.56 sq mi (6.63 km2)
 • Water0 sq mi (0.00 km2)
Elevation
948 ft (289 m)
Population
 (2020)
 • Total
2,230
 • Density871.4/sq mi (336.46/km2)
 • Demonym
Senecan or Senecanian
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP code
64865
Area code417
FIPS code29-66674
GNIS feature ID2396574

Seneca is a city in western Newton County, Missouri, United States. As of the 2020 census, Seneca had a population of 2,230. Located on the southwestern border of the state, the city is part of the Joplin, Missouri Metropolitan Statistical Area.