Howell akasarudzwa seDemocrat kuCongress yeMakumi Masere neYekutanga uye kuCongress mbiri dzakatevera, achibatira muhofisi kubva muna January 3, 1949 kusvika January 3, 1955. Akanga asiri mukwikwidzi wekusarudzwazve muna 1954, asi aive mukwikwidzi asina kubudirira wesarudzo kuUnited States Senate, achirasikirwa nemuganhu mudiki kuna Clifford P. Case. Akagadzwa New Jersey State Commissioner of Banking and Insurance muna February 1955, achishanda kusvikira March 1, 1969. Akanga ari mumiriri-mukuru ku1956 Democratic National Convention
.