1954 St. John Evangelical Lutheran Church builds a new school. Jehovah's Witnesses establishes a church with 26 members and builds Kingdom Hall. A new Algonquin State Bank building was erected. Mausoleum in the cemetery was constructed by Walter Zimmerman. Original Catholic church is abandoned.
Congregation meets in the basement of the new school.
Algonquin Lions Club starts making plans for new swimming pool which is built in 1961. 1959 Congregational Church underwent a major expansion, which is the first since 1868. 1960 Village reaches a population of 2,014. Algonquin Junior High School opens with 30 teachers and 617 students. 1964 Iron Skillet Restaurant opens and becomes a popular dining place.