Simplify the following text for a Grade 4 native English-speaking person.
Original: The city has been the county seat of Dubois County since 1830 , succeeding Portersville . In 1970 , the school system of Ireland , a hamlet west of Jasper along State Route 56 , was consolidated into that of Jasper ( http://www.irelandindiana.com/ ) .
Simplified: Jasper is the county seat of Dubois County .