Seneca
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About Seneca
City in Missouri, United StatesSeneca 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.
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Town numbers
Housing in Seneca
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.
Safety in Seneca
Safety Grade C
Seneca reports more crime per resident than most U.S. towns we grade: about 71% report less.
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
of 32 measures CDC estimates. The other 20 are too close to call.
What stands out
Care nearby
Schools in Seneca
All Seneca schools →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.
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.
Where Seneca is
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