Thursday night the board of trustees approved a 15 dollar increase, to 164 dollars per credit hour.
Tuition had been at 149 dollars since 2018.
Chief Financial Officer Steve Frommelt says it was a tough decision, but necessary.
"Enrollment is down - the numbers have been down through the COVID years, as well as the escalating prices for utilities have been a significant player in that process."
The college has two other main sources of revenue - he expects no change in state aid for the coming year, and the property tax rate for residents of the nine-county district will increase by less than one cent.
The cost for high school students to take classes at Black Hawk will not change.