Know where the numbers came from.
Local facts change. This page documents the principal sources used to build the GlenEd guide and the distinctions we preserve.
Local and official whenever possible.
Government + Census
U.S. Census Bureau QuickFacts; City of Edwardsville; Village of Glen Carbon; Madison County resources.
Education
Edwardsville Community Unit School District 7 and Southern Illinois University Edwardsville.
Recreation + local life
Madison County Transit Trails, Edwardsville Parks & Recreation, Glen Carbon Parks, Land of Goshen Community Market.
Housing context
Redfin and Zillow for time-stamped market context. Their methodologies differ and are not treated as interchangeable.
Combine the lifestyle, not the statistics.
Edwardsville and Glen Carbon are presented together where daily life genuinely overlaps, but population, housing, tax and municipal-service data remain separate. School assignments, tax bills and property-specific costs should always be verified with the responsible official source before a housing decision.
Research refreshed: October 2026.
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