Credit Union of America membership is open to any resident, employee, or anyone who is paid in the following counties: Anderson, Atchison, Barber, Barton, Butler, Chase, Clark, Clay, Cloud, Coffey, Comanche, Cowley, Dickinson, Doniphan, Douglas, Edwards, Ellis, Ellsworth, Finney, Ford, Franklin, Geary, Gray, Harper, Harvey, Hodgeman, Jackson, Jefferson, Johnson, Kingman, Kiowa, Leavenworth, Lincoln, Linn, Lyon, Marion, McPherson, Miami, Mitchell, Morris, Osage, Osborne, Ottawa, Pawnee, Pottawatomie, Pratt, Reno, Rice, Riley, Rooks, Russell, Rush, Saline, Sedgwick, Shawnee, Stafford, Sumner, Wabaunsee, or Wyandotte.
Membership is also open to anyone who is employed in (or retired from) the field of education in the state of Kansas, works for a Select Employer Group, and anyone who is a family member of an existing CUA member.