|Presidential politics: South Barrington is in Cook County, which voted Democratic in the last two presidential elections. According to unofficial vote totals for 2004, Bush received 583,774 votes and John Kerry received 1,389,631 votes.|
In the November 2000 election, Cook County strongly supported Al Gore. Countywide, 534,542 people voted for Bush and 1,280,547 voted for Gore. Nader received 42,068 votes.