8 4 3 , ▁the ▁first ▁new ▁district ▁in ▁the ▁state ▁in ▁ 2 0 ▁years . ▁It ▁was ▁gained ▁after ▁the ▁ 1 8 4 0 ▁U . S . ▁Census . ▁ ▁For ▁most ▁of ▁the ▁next ▁ 1 5 0 ▁years , ▁the ▁ 4 th ▁was ▁centered ▁on ▁Sh re ve port ▁and ▁north western ▁Louisiana . ▁ ▁However , ▁in ▁ 1 9 9 3 , ▁Louisiana ▁lost ▁a ▁con gression al ▁district , ▁based ▁on ▁population ▁figures . ▁The ▁state ▁legisl ature ▁shift ed ▁most ▁of ▁Sh re ve port ' s ▁white ▁residents ▁into ▁the ▁. ▁Republican ▁Jim ▁McC r ery ▁ran ▁for ▁election ▁in ▁the ▁new ▁ 5 th ▁and ▁won , ▁defe ating ▁Dem ocrat ▁Jerry ▁H uck aby , ▁who ▁represented ▁the ▁old ▁ 5 th ▁for ▁eight ▁terms . ▁ ▁Meanwhile , ▁the ▁ 4 th ▁was ▁re config ured ▁as ▁a ▁ 6 3 - percent ▁African ▁American - major ity ▁district , ▁stretch ing ▁in ▁a ▁roughly ▁" Z " ▁shape ▁from ▁Sh re ve port ▁to ▁Bat on ▁Rou ge . ▁Dem ocrat ▁Cle o ▁Field s ▁was ▁elected ▁for ▁two ▁terms ▁as ▁the ▁representative ▁of ▁the ▁ 4 th ▁Cong r essional ▁District . ▁When ▁the ▁Supreme ▁Court ▁of ▁the ▁United ▁States ▁invalid ated ▁the ▁boundaries ▁of ▁the ▁new ▁ 4 th ▁Cong r essional ▁District ▁as ▁un const itution al , ▁the ▁Louisiana ▁legisl ature ▁red rew ▁the ▁District ▁to ▁en comp ass ▁most ▁of ▁North west