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)

Town numbers

ZIP code64865

Area code417

Living in Seneca

Housing in Seneca

$225K▲ 5% in a year Typical home value · Zillow

The typical Seneca home is worth about $225,000, up 5% in a year, 16% below the Missouri typical home.

Only 1 sale in May 2026, too few for a market read. The typical value is the steadier guide.

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Seneca

Safety Grade C

Seneca reports more crime per resident than most U.S. towns we grade: about 71% report less.

Violent crime per 1,000

Seneca 3.4

Missouri 4.3

U.S. 3.3

Property crime per 1,000

Seneca 9.8

Missouri 16.9

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Seneca

Full picture →

Most working residents leave Seneca for work: only 10% work in town. The top destinations are Joplin (25%), Neosho (9%) and Springfield (5%). Half commute less than 17 miles.

Joplin

25%

Neosho

Springfield

Carthage

10%Work in townlive and work in Seneca 17 miWhere do people commute?the commute map 559Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Seneca →

Health in Seneca

Health Grade D

Healthier than 10% of U.S. towns on seven CDC estimates, and 34% of towns with similar incomes.

Compared with Missouri

12worse than MO

of 32 measures CDC estimates. The other 20 are too close to call.

Conditions 4▼ 8 close Habits 1▼ 3 close Care 1▼ 6 close Mind 3▼ 2 close Everyday needs 3▼ 1 close

BetterToo close to callWorse

What stands out

10.6%More adults with COPDMO 8% · worse 17.6%More adults facing food insecurityMO 13.7% · worse 20.2%More smokersMO 16% · worse

Care nearby

Freeman Neosho HospitalNeosho · 13.4 mi · ER · rural critical access

Access Family Care Neosho MedicalNeosho · 11.5 mi · sliding-scale fees

Primary careShortage · county-wide

DentalShortage · county-wide

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Seneca · CMS · HRSAHealth in Seneca →

Natural hazards in Seneca

Very high

Expected storm and flood damage is higher than in 90% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🌡️ Heat waves

31Does Seneca flood?paid flood claims since 1986 11Disasters that paid out herefederal disasters sent FEMA money to Seneca

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Seneca →

Climate in Seneca

Full climate →

Seneca has chilly winters and warm summers. A typical July afternoon reaches 90°, a January night drops to 26°, and about 8 inches of snow falls in a normal winter.

49° / 28°Winter

69° / 47°Spring

89° / 67°Summer

71° / 48°Fall

How much snow does Seneca get?About 8 inches a winter.Rain & snow →When is the first frost?Around Oct 31, with the last in spring around Apr 7.Frost dates →Is it warmer than it used to be?+0.7° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Seneca →

Schools in Seneca

All Seneca schools →

B⁺

School Grade B+

The public schools Seneca’s kids attend, from kindergarten through graduation, outperform 66% of Missouri’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

DistrictSENECA R-VIISchools4

Seneca Elem. C-Elementary · Grades PK–3 · 417 students Seneca Intermediate School B+Middle · Grades 4–6 · 305 students Seneca Junior High CMiddle · Grades 7–8 · 231 students Seneca High CHigh · Grades 9–12 · 450 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within MO. Ratings are from neighbors.