Unified School District · MO
St. Clair R-Xiii School District
St. Clair R-Xiii School District is a unified school district in Missouri with a community population of 11,990. The median household income is $56,875 and the median age is 39.5.
11,990
Population
108
People / sq mi
$56,875
Median Income
39.5
Median Age
St. Clair R-Xiii School District covers 111 sq mi of land at 108.0 people per square mile.
Race & Ethnicity
| White | 90.1% |
| Black or African American | 0.0% |
| Asian | 52.0% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$56,875
Median Household Income
$29,249
Per Capita Income
8.9%
Poverty Rate
4.0%
Unemployment
Housing
$186,800
Median Home Value
$957
Median Rent
71.3%
Homeownership
Education Attainment
86.6%
High School+
15.3%
Bachelor's+
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State rankings
Frequently Asked Questions
St. Clair R-Xiii School District serves a community with a population of 11,990 according to the latest Census ACS 5-Year estimates. This unified school district is located in Missouri.
The median household income in St. Clair R-Xiii School District is $56,875, with a per capita income of $29,249. The poverty rate is 8.9%.
St. Clair R-Xiii School District is 90.1% White, 0.0% Black or African American, 52.0% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In St. Clair R-Xiii School District, 86.6% of adults have a high school diploma or higher, and 15.3% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in St. Clair R-Xiii School District is $186,800, with a median rent of $957. The homeownership rate is 71.3%.
More from Missouri
Data for St. Clair R-Xiii School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 2929100).
The this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.
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.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states, metros, cities, and ZIPs with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Census Bureau ACS, 2026.