Seneca, Kansas

Seneca: city in Kansas

About

Seneca is a city located in the county of Nemaha in the U.S. state of Kansas. Its population at the 2010 census was 1,991 and a population density of 469 people per km². After 10 years in 2020 city had an estimated population of 2,079 inhabitants.

Quick Facts about Seneca

Population 2,079 (2020)
Country United States of America
State Kansas (United States)
County Nemaha County
Postal code 66538
Phone Area Codes 785
Area 4.24 km2
Latitude & Longitude 39.8342,-96.0642
Altitude 1,138 feet / 347 meters
Capital city Seneca is capital of Nemaha County
Time Zone America/Chicago
Local time 20:26:44 (14th April 2026)
Density 490 Pop. per km² as of 2020
Population growth 4.23% (2010-2020)
Weather 83℉ Slight Chance Showers And Thunderstorms 7-days weather

Geography

Seneca is located at 39°50'3"N 96°3'51"W (39.8341600, -96.0641700).

Seneca map

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Weather

83°F
Slight Chance Showers And Thunderstorms
15 mph SW Tuesday

A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of prec...

7-Day Forecast

Official website of Seneca

Official Website

Demographics

The population of Seneca increased by 4.23% in 10 years.

Year Population % Change Method
2010 1,991 - census
2011 1,994 0.15% estimation process
2012 1,986 -0.4% estimation process
2013 1,996 0.5% estimation process
2014 2,000 0.2% estimation process
2015 2,015 0.74% estimation process
2016 2,028 0.64% estimation process
2017 2,027 -0.05% estimation process
2018 2,045 0.88% estimation process
2019 2,075 1.45% estimation process
2020 2,079 0.19% estimation process
Seneca zip code is 66538. County name: Nemaha, County fips: 20131
Castle Rock

Nearby Transit Stations (1)

Rail and bus stations connected to Seneca, KS. Select a station to open its map and address details.

Code Name Address Type
TOP Topeka 500 SE Holliday Place RAIL

Closest post offices linked to Seneca.

Post Office Name City ZIP
Seneca Post Office Seneca (KS) 66538

Other places with the same name (7)

Other cities in Nemaha County

Cities, towns, neighborhoods & other populated places in Nemaha County , KS.

City Name Population Title
Sabetha 2,550 City in Kansas
Centralia 516 City in Nemaha County, Kansas, United States
Berwick 401 Human settlement in United States of America
Wetmore 361 Township in Nemaha County, Kansas
Corning 162 Human settlement in Nemaha County, Kansas, United States of America
Bern 161 City in Kansas, United States
Capioma 142 Township in Nemaha County, Kansas
Goff 117 Human settlement in Nemaha County, Kansas, United States of America
Neuchatel 104 Township in Nemaha County, Kansas
Granada 103 Township in Nemaha County, Kansas
Oneida 71 City in Kansas, USA

Distance to Other Cities

Seneca distances to largest Kansas cities