https://en.wikipedia.org/wiki/Highland_Park,_Illinois#Politics
Highland Park is considered a Democratic stronghold. Highland Park voters overwhelmingly voted for Barack Obama in the 2008 presidential election, over Senator John McCain, 76.3%–23.1%.[needs update] Highland Park voters also tend to prefer Democrats in local races.
At the state level, Highland Park is a part of the 58th House District, represented by Bob Morgan (D-Highwood), and the 29th Senate District, represented by Julie Morrison (D-Deerfield). At the county level, the city is split between Districts 11 and 12, represented by former Highland Park City Councilman Paul Frank (D-Highland Park) and former Lake Forest Mayor Mike Rummel (R-Lake Forest), respectively.
HP is about as bad as it gets for uber liberal democrat politics.