How much does Washington University in St Louis cost by family income?
Net price is what families actually pay each year after grants and scholarships — not the published sticker price. The numbers below come from the U.S. Department of Education's College Scorecard (2025–26 figures).
Median net price across the four lower income brackets
$4,969/year
Median of the under-$30k, $30k–$48k, $48k–$75k, and $75k–$110k brackets. The top bracket is excluded from this summary because its long-tail values skew the central tendency.
By family income
Family income
Under $30,000
$2,578
per year
Among the cheapest 10% of schools for the under $30,000 bracket.
Peer schools at this income bracket
- Harvard University, MA$2,542
- Smith College, MA$2,541
- Amherst College, MA$2,424
Family income
$30,000 – $48,000
$589
per year
Among the cheapest 10% of schools for the $30,000 – $48,000 bracket.
Estimate your specific net price
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Net price data from the U.S. Department of Education's College Scorecard (2025–26 figures). Last updated March 7, 2026.