157 years in pictures
Census counts: 285 in 1870, 2,230 in 2020. The archive holds 10 old photos and papers going back to 2008 and 3 maps from 1949 on.
- 1869Seneca is settled
Each edition grades its towns against each other only.

Seneca’s best subject grades are an A− for cost of living and a B+ for schools; its weakest is a D for incomes. Only 9 of Missouri’s 419 towns score lower on hazard risk. CDC estimates put its residents' health behind 90% of the country. Among 248 Missouri towns, just 1 have a higher July high than Seneca. Seneca has fewer than 2,500 residents, so it gets subject grades but no overall grade.
Where Seneca beats most towns, and one thing worth knowing.
Where Seneca’s working residents go each day. Line width shows the share.
Census LEHD 2023
Each subject compared with towns across the country (schools within Missouri), ordered by how far Seneca is from typical.
How TownRatings grades towns →
Census counts: 285 in 1870, 2,230 in 2020. The archive holds 10 old photos and papers going back to 2008 and 3 maps from 1949 on.
Who provides power, water and the rest in Seneca, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Seneca.
20% of adults smoke cigarettes in Seneca, against 17% in Missouri’s towns and 14% across U.S. towns. 34% of adults get no exercise outside work in Seneca. Seneca beats the Missouri average on 0 of 32 CDC measures and trails it on 12.
| Seneca | Missouri towns | U.S. towns | |
|---|---|---|---|
| Smoke cigarettes (CDC PLACES) | 20% | 17% | 14% |
| Frequent physical distress (CDC PLACES) | 17% | 15% | 14% |
| Get no exercise (CDC PLACES) | 34% | 30% | 25% |
| Frequent mental distress (CDC PLACES) | 20% | 19% | 17% |
| What stands out | Seneca | MO |
|---|---|---|
| More adults with COPD | 10.6% | 8% |
| More adults facing food insecurity | 17.6% | 13.7% |
| More smokers | 20.2% | 16% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Its public schools are run by the Seneca R-Vii school district. Two of its 4 schools are below, each with why it’s listed. The largest public high school is Seneca High, with 450 students.
| School | Level | Students | Letter |
|---|---|---|---|
| Seneca Elem.Largest public elementary schoolGrades PK–3 | Grades PK–3 | 417 | C− |
| Seneca HighLargest public high schoolGrades 9–12 | Grades 9–12 | 450 | C |
NCES · EDFacts · graded within MO on state tests and graduation
Seneca’s FEMA risk score is 90 of 100, where Missouri’s towns sit at 54 of 100 and U.S. towns at 44 of 100. Since 1986, 31 flood insurance claims have been paid out in Seneca.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
Most working residents leave Seneca for work: only 10% work in town. 21% of Seneca residents live below the poverty line. Since 2013, Seneca has lost 736 jobs, to 559 in 2023.
| Seneca | Missouri towns | U.S. towns | |
|---|---|---|---|
| Below the poverty line | 21% | 14% | 9.6% |
| Median household income | $46,000 | $62,000 | $80,000 |
| Average trip to work | 23 minutes | 22 minutes | 25 minutes |
| Working residents who work in town | 9.8% | 13% | 8% |
Census LEHD 2023 · ACS
Seneca’s violent crime rate is 3.4 per 1,000 residents.
| Seneca | Missouri towns | U.S. towns | |
|---|---|---|---|
| Violent crimes per 1,000 (2025) | 3.4 per 1,000 residents | 2.2 | 1.6 |
| Property crimes per 1,000 (2025) | 9.8 per 1,000 residents | 12.5 | 9.9 |
FBI crime data, 2025 · crimes reported to police
Seneca has chilly winters and warm summers. July afternoons reach 90°, January nights drop to 26° and about 8 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
The typical Seneca home is worth about $222,000, up 5.1% in a year, 16% below the Missouri typical home. The median rent in Seneca is $902 a month.
| Seneca | Missouri towns | U.S. towns | |
|---|---|---|---|
| Median rent | $902 a month | $971 a month | $1,185 a month |
| Households that own their home | 64% | 64% | 73% |
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
2 within 15 miles of the center of Seneca
About 1 of every 100 Seneca residents are enrolled in college, against 6 across Missouri.
City in Missouri, United States
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.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Not for the area. Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades A−.
2 notable people were born here, including Ronald L. Watts and Morris Watts.