Aultman's primary market is the Stark County area. The secondary counties include Carroll, Tuscarawas, Wayne and Holmes. The total market size is approximately 750,000.
In 1996, the Independent Hospital Network was established to help hospitals in the market area maintain local control and to remain not-for-profit. Member hospitals include Aultman Hospital, Alliance Community Hospital, Dunlap Community Hospital in Orrville, Pomerane Hospital in Millersburg and Union Hospital in Dove
