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Seneca

Kansascity

Photograph of Seneca
Featured view

Seneca

Total population

2,090

Median home value

$235,100

23.6%

Bachelor's+

Median income

$76,750

Seneca$77k
National$74k

Air quality index

21Good
Elevation347 m
Land area4.23 km²
Weather59°F · Cloudy then Slight Chance Rain Showers
Coordinates39.84°, -96.07°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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City facts

Elevation
347 m
Area
4.23 km²
Official website
www.Seneca-Kansas.us

Facts from Wikidata (CC0).

Overview

Seneca is a city in and the county seat of Nemaha County, Kansas, United States. As of the 2020 census, the population of the city was 2,139.

Read more on Wikipedia

History & geography

History

Seneca was founded in 1857. It was named after Seneca County, Ohio. The first post office in Seneca was established in November 1858. Seneca grew up along the wagon route from St. Joseph, Missouri to Oregon and California. British explorer Richard Francis Burton en route to California in 1860 passed through town and noted: "... Seneca, a city consisting of a few shanties ..." Seneca was a station on the Pony Express of the early 1860s. The station was located in the Smith Hotel, at the present-day location of Fourth and Main Streets. Seneca was incorporated as a city in 1870. Seneca was home to minor league baseball. The Seneca team played the 1910 season as members of the Class D level Eastern Kansas League, finishing in 2nd place. The team played home games at City Park.

Geography

According to the United States Census Bureau, the city has a total area of , all land.

Read full article on Wikipedia

Excerpted from the corresponding Wikipedia article (CC BY-SA).

Demographics & economy

Median age
51.8
Median home value
$235,100
Housing units
961
Poverty rate
8%
Unemployment
0.9%

Race & ethnicity

White
98.1%
Black
0.2%
Asian
0%
Hispanic
2.6%

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Latitude
39.8380
Longitude
-96.0696
Water area
—
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Current forecast

Tonight
59°F
Cloudy then Slight Chance Rain Showers
Monday
70°F
Patchy Fog
Monday Night
54°F
Slight Chance Rain Showers then Mostly Cloudy
Tuesday
66°F
Mostly Cloudy
Tuesday Night
49°F
Mostly Cloudy
Wednesday
67°F
Partly Sunny

Forecast for Seneca, KS from NOAA NWS API.

Air quality

US AQI — Good
21
PM2.5 (µg/m³)
1.3
PM10 (µg/m³)
1.3
Ozone (µg/m³)
37
NO₂ (µg/m³)
6.2

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Industrial & pollution facilities

Natural hazard risk

Health (adults)

High blood pressure
30.7%
Diabetes
8.9%
Adult obesity
39.1%
Binge drinking
19.2%
Adult smoking
15%
No leisure activity
24.4%

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
4,526
Distinct species (top 10)
10

Most-observed species

  • American Crow
    Corvus brachyrhynchos C.L.Brehm, 1822 · Aves
    135
  • Red-bellied Woodpecker
    Melanerpes carolinus (Linnaeus, 1758) · Aves
    118
  • House Sparrow
    Passer domesticus (Linnaeus, 1758) · Aves
    110
  • Blue Jay
    Cyanocitta cristata (Linnaeus, 1758) · Aves
    109
  • Northern Cardinal
    Cardinalis cardinalis (Linnaeus, 1758) · Aves
    108
  • Red-tailed Hawk
    Buteo jamaicensis (Gmelin, 1788) · Aves
    101
  • American Goldfinch
    Spinus tristis (Linnaeus, 1758) · Aves
    101
  • Black-capped Chickadee
    Poecile atricapillus (Linnaeus, 1766) · Aves
    96

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Schools

Total
4
Elementary
2
Middle
0
High
2
Other
0

Largest nearby schools

  • Nemaha Central Elementary and Middle School
    Elementary · Seneca · 553 students · 15.4:1 ratio
  • Nemaha Central High School
    High · Seneca · 221 students · 10:1 ratio
  • Centralia Elem
    Elementary · Centralia · 210 students · 21:1 ratio
  • Centralia High
    High · Centralia · 128 students · 10.7:1 ratio

Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
4
Largest magnitude
3.6
Largest event
2009-12-17

Most recent

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Photos

Sights & places nearby

Notable people from here

Nearby places in Kansas

Browse all places in Kansas →

Geography & sun

Avg solar (kWh/m²/day)
4.36
Annual solar (kWh/m²)
1,590

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Wikipedia views (last 30 days)
566
Avg daily Wikipedia views
20
Attention level
Obscure

Pageview totals from the Wikimedia Pageviews API.

Books about Seneca

Robinson's Seneca County, Ohio rural directory
Inc Robinson Directories
Northeast Kansas shorthorn and polled shorthorn sale
Northeast Kansas Shorthorn Breeders' Association · 1969
Claims of Kansas Indians. Letter from the Secretary of the Interior transmitting copy of report made by commissioners appointed under the provisions of the twelfth article of Treaty of 23d February, 1867, with the Senecas, Mixed Senecas and Shawnees, and Quapaw tribes of Indians in Kansas, to investigate the claims of those Indians
United States. Congress. House. Committee on Indian Affairs · 1870
Treaty between the United States of America and the Senecas, mixed Senecas and Shawnees
United States. President (1865-1869 : Johnson) · 1868
Annual price list
Annual price list
Seneca Nursery · 1900
Annual price list and descriptive catalogue
Annual price list and descriptive catalogue
Seneca Nursery · 1903
Overland journey to Carson Valley, Utah
Hozial H. Baker · 1861
New York Indian Reserve in Kansas Territory. Letter from the Secretary of the Interior, in answer to a resolution of the House calling for information in regard to the condition of the New York Indian reserve in Kansas Territory
United States. Congress. House. Committee on Indian Affairs · 1860

Search results from Open Library.

Recent natural events nearby

Wildfires, storms and other events from NASA EONET (last 12 months, within 250 mi).

Ground air-quality sensors

Recently spotted species

Brown-shaded Gray
Brown-shaded Gray
Iridopsis defectaria
Seen 2026-09-02
Scissor Grinder
Scissor Grinder
Neotibicen pruinosus
Seen 2026-09-02
Southern Beet Webworm Moth
Southern Beet Webworm Moth
Herpetogramma bipunctalis
Seen 2026-09-02
Eurasian Collared-Dove
Eurasian Collared-Dove
Streptopelia decaocto
Seen 2026-08-21
common milkweed
common milkweed
Asclepias syriaca
Seen 2026-08-12
Oleander Aphid
Oleander Aphid
Aphis nerii
Seen 2026-08-12
Familiar Bluet
Familiar Bluet
Enallagma civile
Seen 2026-08-12
Faint-spotted Angle
Faint-spotted Angle
Digrammia ocellinata
Seen 2026-08-12
Four-spotted Neolema
Four-spotted Neolema
Neolema quadriguttata
Seen 2026-08-12

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Events

Gallery

Sources

  • • Wikipedia
  • • US Census Bureau (ACS 5-year estimates)
  • • NOAA National Weather Service
  • • Wikidata
  • • Open-Meteo Air Quality (CAMS)
  • • USGS Earthquake Catalog (global feed)
  • • NCES via Urban Institute Education Data Portal
  • • GBIF (Global Biodiversity Information Facility)
  • • iNaturalist
  • • CDC PLACES
  • • Open-Meteo / sunrise-sunset.org
  • • Wikipedia Pageviews API
  • • Open Library
  • • NASA EONET