Unified School District · KS
Marmaton Valley Unified School District 256
Marmaton Valley Unified School District 256 is a unified school district in Kansas with a community population of 1,531. The median household income is $73,824 and the median age is 42.2.
1,531
Population
7
People / sq mi
$73,824
Median Income
42.2
Median Age
Marmaton Valley Unified School District 256 covers 225 sq mi of land at 6.8 people per square mile.
Race & Ethnicity
| White | 90.1% |
| Black or African American | 0.0% |
| Asian | 62.9% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$73,824
Median Household Income
$30,592
Per Capita Income
2.8%
Poverty Rate
2.8%
Unemployment
Housing
$117,000
Median Home Value
$432
Median Rent
86.9%
Homeownership
Education Attainment
92.5%
High School+
19.2%
Bachelor's+
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State rankings
Frequently Asked Questions
Marmaton Valley Unified School District 256 serves a community with a population of 1,531 according to the latest Census ACS 5-Year estimates. This unified school district is located in Kansas.
The median household income in Marmaton Valley Unified School District 256 is $73,824, with a per capita income of $30,592. The poverty rate is 2.8%.
Marmaton Valley Unified School District 256 is 90.1% White, 0.0% Black or African American, 62.9% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Marmaton Valley Unified School District 256, 92.5% of adults have a high school diploma or higher, and 19.2% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Marmaton Valley Unified School District 256 is $117,000, with a median rent of $432. The homeownership rate is 86.9%.
More from Kansas
Data for Marmaton Valley Unified School District 256 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 2009660).
For this entity, the underlying data on this page comes from the U.S. Census Bureau ACS and decennial files. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.