 Joseph's son, Benjamin, became a successful attorney, establishing the prominent Chicago law firm of Altheimer, Mayer, Woods, and Smith (later known as Altheimer & Gray), and serving twice as president of Chicago's Iroquois Club, the city's oldest Democratic Party political club.Benjamin owned of land in Arkansas.His foundation, the Ben J. Altheimer Foundation, provided scholarships and funding for projects throughout the state and continues today as the Ben J. Altheimer Charitable Foundation, Inc.

Altheimer is home to many restored pioneer-era log cabins, Victorian era plantation houses and museums.