district                                          incumbent       party             first elected                                        result                                         candidates
0   illinois 1                                   ralph h metcalfe  democratic                      1970                                  re - elected    ralph h metcalfe (d) 91.4% louis coggs (r) 8.6%
1   illinois 4                                       ed derwinski  republican                      1958                                  re - elected    ed derwinski (r) 70.5% c f 'bob' dore (d) 29.5%
2  illinois 10   abner j mikva redistricted from the 2nd district  democratic                      1968            lost re - election republican gain   samuel h young (r) 51.6% abner j mikva (d) 48.4%
3  illinois 11  frank annunzio redistricted from the 7th district  democratic                      1964                                  re - elected  frank annunzio (d) 53.3% john j hoellen (r) 46.7%
4  illinois 11                                   roman c pucinski  democratic                      1958  retired to run for us senate democratic loss  frank annunzio (d) 53.3% john j hoellen (r) 46.7%
5  illinois 12     phil crane redistricted from the 13th district  republican                      1969                                  re - elected       phil crane (r) 74.2% edwin l frank (d) 25.8%
6  illinois 15                                 cliffard d carlson  republican  april 4 , 1972 (special)                       retired republican loss     leslie c arends (r) 57.2% tim l hall (d) 42.8%
7  illinois 19                                      tom railsback  republican                      1966                                  re - elected                        tom railsback (r) unopposed
8  illinois 20                                       paul findley  republican                      1960                                  re - elected  paul findley (r) 68.8% robert s o 'shea (d) 31.2%

Table as JSON:
{"district":{"0":"illinois 1","1":"illinois 4","2":"illinois 10","3":"illinois 11","4":"illinois 11","5":"illinois 12","6":"illinois 15","7":"illinois 19","8":"illinois 20"},"incumbent":{"0":"ralph h metcalfe","1":"ed derwinski","2":"abner j mikva redistricted from the 2nd district","3":"frank annunzio redistricted from the 7th district","4":"roman c pucinski","5":"phil crane redistricted from the 13th district","6":"cliffard d carlson","7":"tom railsback","8":"paul findley"},"party":{"0":"democratic","1":"republican","2":"democratic","3":"democratic","4":"democratic","5":"republican","6":"republican","7":"republican","8":"republican"},"first elected":{"0":"1970","1":"1958","2":"1968","3":"1964","4":"1958","5":"1969","6":"april 4 , 1972 (special)","7":"1966","8":"1960"},"result":{"0":"re - elected","1":"re - elected","2":"lost re - election republican gain","3":"re - elected","4":"retired to run for us senate democratic loss","5":"re - elected","6":"retired republican loss","7":"re - elected","8":"re - elected"},"candidates":{"0":"ralph h metcalfe (d) 91.4% louis coggs (r) 8.6%","1":"ed derwinski (r) 70.5% c f 'bob' dore (d) 29.5%","2":"samuel h young (r) 51.6% abner j mikva (d) 48.4%","3":"frank annunzio (d) 53.3% john j hoellen (r) 46.7%","4":"frank annunzio (d) 53.3% john j hoellen (r) 46.7%","5":"phil crane (r) 74.2% edwin l frank (d) 25.8%","6":"leslie c arends (r) 57.2% tim l hall (d) 42.8%","7":"tom railsback (r) unopposed","8":"paul findley (r) 68.8% robert s o 'shea (d) 31.2%"}}