sentences:  McLean County is historically a Republican-leaning county.The only Democrats to gain an absolute majority of the county's vote since the Civil War have been Franklin D. Roosevelt in 1932 and 1936 and Lyndon Johnson by a mere 420 votes out of over 38,000 total in 1964.Illinois resident Barack Obama in 2008 and Woodrow Wilson in 1912 both carried the county by narrow pluralities.