What you need to know about Highland Park, the Chicago suburb rattled by July 4 shooting -- What you need to know about Highland Park, the Chicago suburb rattled by July 4 shooting -- Locals were used to seeing a 1953 pickup truck drive through their suburb and others along Chicago’s North Shore blaring a mashup of the song “Yankee Doodle Boy” with a niggun, or wordless melody, written by -- coordinator for the North Shore Congregation Israel in the neighboring suburb of Glencoe.) -- Lake Michigan, approximately from Evanston up to Lake Bluff — is heavily Jewish, and other adjacent suburbs northwest of Chicago, such as Buffalo Grove and Skokie, are also known for their large Jewish populations. But Highland Park has the highest Jewish ratio of them all, and it was the original Chicago suburb that grew a substantial Jewish population in the early 20th century. -- researchers at Brandeis University and the University of Chicago, Highland Park is 50% Jewish: about 15,000 of the suburb’s 30,000 residents. (About 3% of the Jews in Highland Park and its surrounding