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Seneca, Missouri

City in Newton County, Missouri · ZIP 64865

  • Newton County
  • Census data · ACS 2019-2023
  • 5 public schools
Join SenecaAsk SenecaBusinessesPeople
  • 2,316 (2024 estimate)Population
  • 657Households
  • $49,821Median household income
  • $112,300Median home value
  • 5Public schools
  • 1ZIP codes

About Seneca

This page shows only what has been published about Seneca: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020+4.4%
2.1k2.2k2.3k2.4k2000: 2,13520002010: 2,33620102020: 2,23020202,1352,230
Population of Seneca at each census
CensusPopulation
20002,135
20102,336
20202,230

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 29, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 29, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 29, retrieved November 14, 2026.

Household income in Seneca
Under $50k50.2%
$50k to $100k37.5%
$100k to $150k6.1%
$150k to $200k3.8%
$200k and over2.6%

Median household income $49,821 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 29, retrieved November 14, 2026.

Housing tenure in Seneca
Owner occupied
403 units
Renter occupied
254 units
Vacancy rate
17.9%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 29, retrieved November 14, 2026.

Seneca compared with its county and state
Seneca compared with its county and state, American Community Survey 2019-2023
MeasureSenecaNewton CountyMissouri
Population1,93859,4906,168,181
Median household income$49,821$64,583$68,920
Median age35.740.238.9
Median home value$112,300$175,300$215,600
Bachelor’s degree or higher10.1%23.0%31.9%
Foreign-born residents6.9%4.4%4.4%
Owner-occupied homes61.3%76.8%67.9%
Mean commute to work23.0 minutes22.6 minutes23.7 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 29, retrieved November 14, 2026.

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Schools

Public schools in Seneca5
Public schools in Seneca, NCES directory 2023–2024
SchoolTypeGradesDistrict
SENECA EARLY CHILDHOOD SCHOOLPublicPre-KSENECA R-VII
SENECA ELEM.PublicPre-K–3SENECA R-VII
SENECA INTERMEDIATE SCHOOLPublic4–6SENECA R-VII
SENECA JUNIOR HIGHPublic7–8SENECA R-VII
SENECA HIGHPublic9–12SENECA R-VII

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

Frequently asked about SenecaPromoted from questions people asked

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Nearby towns

Other towns in Newton County

All towns in Newton County