Named for the Zimmermann Family, a prominent Madison family, the dorm has the capacity to hold 124 students. The first floor of Zimm Hall is shared with a portion of the Trojan Center. The northern half of the hall houses the RD and the lobby. In this lobby are a television lounge and the computer lab. The lab is equipped with five computers and a laser printer.
Second floor is the female floor and the third floor is the male floor.
On each floor there is a TV lounge and kitchen area, complete with a stove, sink, and microwave. Each room has two twin size beds, two desks with chairs, and two closets. There are also four drawers available in the closet area. In the lower level is the laundry area. The machines can be operated by either coin or with the University Card.