Up to the 2020 Presidential election, a total of eight men born west of the Mississippi have served as President of the United States. Of these, the individual born furthest west was Barack Obama, who was born in Honolulu, Hawaii on 4 August 1961. Obama is also one of only two on that list born west of the Rocky Mountains, the other being Richard Nixon, who was born in Yorba Linda, California on 9 January 1913. Of the eight men on the list, Herbert Hoover was born closest to the Mississippi, with his home town of West Branch, Iowa being just under 50 miles from the city of Davenport, through which the Mississippi flows. Obama is the only member of the list to be born in the capital of the state, while Gerald Ford, who was born in Omaha, Nebraska on 14 July 1913, is the only one to have been born in the state's largest city. Harry S Truman, born in Lamar, Missouri on 8 May 1884, was the first to die west of the Mississippi, when he passed in Kansas City, Missouri on 26 December 1972, while Lyndon B. Johnson was the first of the list to be born and die in the same town, Stonewall, Texas (born 27 August 1908, died 22 January 1973). Johnson is one of two Texans to have been President, with Dwight D. Eisenhower having been born in Denison on 14 October 1890. The eighth member of the list, Bill Clinton, was born in Hope, Arkansas on 19 August 1946, and is one of two men who have served as the Governor of Arkansas to have been born there (the other being Mike Huckabee).
https://en.wikipedia.org/wiki/List_of_presidents_of_the_United_States_by_home_state