The 1842 Louisiana gubernatorial election was the ninth
gubernatorial election to take place after
Louisiana achieved
statehood. Under Article III Sec 2 of the 1812
Constitution of the State of Louisiana the
Governor was elected in two steps. On the first Monday in July, eligible voters went to the polls and voted. The returns were sent to the President of the
Louisiana State Senate. On the second day of the session of the
Louisiana State Legislature, the
Louisiana House of Representatives and Senate met in joint session and voted between the top two candidates. The candidate who received a majority in General Assembly became governor. This was the last election held under the Constitution of 1812, the next election was held under the Constitution of 1845.