Final, official Illinois returns show that Richard Whitney, Green Party candidate for Governor, polled the highest share of the vote that any Green Party gubernatorial candidate has ever received. Whitney received 10.36%. The previous Green best gubernatorial showing had been in New Mexico in 1994, when Roberto Mondragon polled 10.26%.

However, Mondragon had been a former Democratic Lieutenant Governor of New Mexico, whereas Richard Whitney started his race with no name recognition.

The best Libertarian Party gubernatorial showing ever was in 1982, when Dick Randolph polled 14.93% in Alaska. The best Constitution Party gubernatorial showing ever was in 1994, when Peg Luksik polled 12.84% in Pennsylvania. The best Reform Party gubernatorial showing was in 1998 when Jesse Ventura was elected in Minnesota with 37.00%.