Seneca, MO
Population 1,938 · Missouri
About Seneca, MO
Seneca is a small community in Missouri with a population of 1,938 residents. The median household income is $49,821 per year, which is below the national average. The median age in Seneca is 35.7 years.
Housing in Seneca has a median home value of $112,300 and median monthly rent of $886. Of the 800 total housing units, the majority are owner-occupied, with 403 owner-occupied and 254 renter-occupied units.
The unemployment rate in Seneca is 0.3% and the poverty rate is 19.1%. 10.1% of residents hold a bachelor's degree or higher. The average commute time is 23 minutes.
How Seneca Ranks in Missouri
Cost of Living in Seneca, MO
Compared to national averages, Seneca has a median household income of $49,821 (34% below the national median of $75,149). Home values average $112,300, which is 54% below the national median. Monthly rent at $886 is 24% below the US average of $1,163. Within Missouri, Seneca's income is 18% below the state average of $61,047, and home values are 26% below the state median of $150,786.
Why Live in Seneca, MO?
Seneca offers affordable housing with a median home value of $112,300, below the US average of $244,900, and rent that’s lower than the national average at $886/month, and a strong job market with an unemployment rate of just 0.3%. Additionally, the city features short commute times averaging just 23 minutes.
Potential considerations include median household income ($49,821) that falls below the national average. However, Seneca’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Seneca has a population of 1,938 with a median age of 35.7 years. Compare Seneca with other cities to see how it stacks up, or explore all cities in Missouri.
Similar Cities Near Seneca
Cities in Missouri with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Holden | 1,936 | $68,324 | $132,400 | Compare |
| Winchester | 1,914 | $87,344 | $209,300 | Compare |
| Hamilton | 1,909 | $56,548 | $139,200 | Compare |
| Carterville | 1,978 | $55,099 | $95,400 | Compare |
| Vinita Park | 1,978 | $53,355 | $99,000 | Compare |
| Milan | 1,883 | $52,647 | $89,700 | Compare |
| Claycomo | 1,994 | $49,649 | $151,300 | Compare |
| Adrian | 2,006 | $48,233 | $139,600 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Missouri
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Seneca
What is the population of Seneca, MO?
The population of Seneca, MO is 1,938 according to the latest Census data.
What is the median household income in Seneca?
The median household income in Seneca, MO is $49,821 per year.
What is the median home value in Seneca?
The median home value in Seneca, MO is $112,300.
What is the average rent in Seneca?
The median monthly rent in Seneca, MO is $886.
What is the unemployment rate in Seneca?
The unemployment rate in Seneca, MO is 0.3%.