Sioux County Treasurer
![Sioux County Treasurer Sioux County Treasurer](/images/31/business/business_1333.png)
Dan Zomermaand
104 1st Street SE
Orange City, IA 51041
Phone: 712.737.3505
Email: treasurer@siouxcounty.org
Oversees all county funds and handles investment functions, prepares and delivers tax statements to taxpayers, processes vehicle registrations, and issues drivers' license.