There are many ways to support the MonDak Heritage Center:

Become an MDHC Member!

Memberships provide over 30% of our annual revenues. Become a part of the growing community supporting and celebrating the arts and history of the MonDak area!

Member Benefits:

  • Subscription to quarterly newsletter describing exhibits and upcoming events.
  • Invitations to “members-only” events at the MonDak Heritage Center.
  • Sponsoring memberships, donations and memorials are tax deductible.
  • Voting privilege to direct the MonDak Heritage Center.
  • The satisfaction knowing you are preserving your past for future generations and making the MonDak Heritage Center the place it has become and will continue to be with your support.
  • Donor Level Memberships are partially tax deductible.

If you are interested in becoming a member, pay online below or print out our handy membership form and mail it to:

MonDak Heritage Center
120 3rd Ave SE
Sidney, MT 59270
or you can call us at 406-433-3500 for more information.


Donor Level Memberships:



Business $100
Family $50
Individual $30
Senior (60+) $25
Senior Couple $40

Donor Level Memberships:

Sustainer $100+
Sponsor $250+
Patron of the Arts $500+
Benefactor $1000+