Aptakisic is an unincorporated community in Lake County, Illinois, United States. Aptakisic is located along Aptakisic Road and the Canadian National Railway; it borders Buffalo Grove to the west and Lincolnshire to the east.
The name Aptakisic is derived from Chief Aptakisic of the Potawatomie tribe; it is one of two unincorporated communities named in his honor, the other being Half Day.
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