Unified School District · PA
St. Marys Area School District
St. Marys Area School District is a unified school district in Pennsylvania with a community population of 18,236. The median household income is $67,695 and the median age is 49.4.
18,236
Population
54
People / sq mi
$67,695
Median Income
49.4
Median Age
St. Marys Area School District covers 341 sq mi of land at 53.5 people per square mile.
Race & Ethnicity
| White | 95.7% |
| Black or African American | 0.0% |
| Asian | 53.2% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$67,695
Median Household Income
$38,143
Per Capita Income
3.0%
Poverty Rate
3.8%
Unemployment
Housing
$149,500
Median Home Value
$757
Median Rent
79.2%
Homeownership
Education Attainment
94.7%
High School+
21.5%
Bachelor's+
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State rankings
Frequently Asked Questions
St. Marys Area School District serves a community with a population of 18,236 according to the latest Census ACS 5-Year estimates. This unified school district is located in Pennsylvania.
The median household income in St. Marys Area School District is $67,695, with a per capita income of $38,143. The poverty rate is 3.0%.
St. Marys Area School District is 95.7% White, 0.0% Black or African American, 53.2% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In St. Marys Area School District, 94.7% of adults have a high school diploma or higher, and 21.5% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in St. Marys Area School District is $149,500, with a median rent of $757. The homeownership rate is 79.2%.
More from Pennsylvania
Data for St. Marys Area School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 4220640).
this entity is one of the data points covered by this site’s U.S. population demographics dataset. The detail above comes directly from the U.S. Census Bureau ACS and decennial files; the context that follows situates the headline numbers against the broader distribution across U.S. states, metros, cities, and ZIPs.
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.