Know the numbers before you rush.
Chapter sizes, dues, and what it costs to live in the house for 5,402 fraternity and sorority chapters at 757 schools. Every number links to the school report or member it came from.
Latest numbers
The newest value we have from each school.
Omega Psi PhiWest Virginia UniversityChapter size3as of Jun 2026
Theta TauUniversity of MichiganChapter size7as of Jun 2026
Sigma ChiArizona State UniversityChapter size45as of Jun 2026
Delta Tau DeltaUniversity of KentuckyChapter size148as of Jun 2026
Alpha Phi AlphaUniversity of ArkansasChapter size11as of Jun 2026
Delta Sigma ThetaUniversity of LouisvilleChapter size8as of Jun 2026
Delta Sigma PhiUniversity of Wisconsin-MadisonChapter size12as of Jun 2026
alpha Kappa Delta PhiDuke UniversityChapter size27as of Jun 2026
Alpha Omicron PiOhio UniversityChapter size36as of Jun 2026
Kappa Phi LambdaGeorge Washington UniversityChapter size22as of Jun 2026
TrianglePurdue UniversityChapter size25as of Jun 2026
Sigma NuOld Dominion UniversityChapter size20as of Jun 2026
Schools with the most chapters
All 757 schools- University of Wisconsin-MadisonWisconsin · 70 chapters
- University of FloridaFlorida · 62 chapters
- Virginia TechVirginia · 62 chapters
- Ohio State UniversityOhio · 61 chapters
- Texas A&M UniversityTexas · 61 chapters
- Cornell UniversityNew York · 58 chapters
- University of Maryland College ParkMaryland · 56 chapters
- Purdue UniversityIndiana · 53 chapters
Largest national organizations
All 209
Is your chapter missing a number?
2,711 chapters don't have a single number yet. If you're a member, you can add your chapter's size, dues, or new member class in a couple of minutes. We check it before it goes up, and your name never appears.
- Confirm your schoolWe email a code to your .edu address to confirm you go there.
- Pick your chapterOr tell us about one we're missing.
- Enter what you knowSkip anything you're not sure about. It goes live once someone checks it.