In 1934, he was elected circuit judge of the 40th state judicial circuit, serving from November 21, 1934 to December 31, 1941. He lost his bid for re-election in November 1941. He was a delegate to the 1940 Republican National Convention. In 1945, Cramton received an honorary LL.D., Doctor of Laws, from Howard University. He resumed the practice of law and in 1948 was re-elected to the Michigan House of Representatives, serving 1948-1960.
Cramton died in Saginaw, Michigan and is interred in Mt. Hope Cemetery, Lapeer, Michigan.
Cramton's son, Louis K. Cramton, served in the U.S. Army during World War II and was a member of Michigan House of Representatives from Midland County, 1971-80.[2]
1909 The Warner Cramton Law "limiting number of saloons to one for each 500 population passed; also forbidding free lunch, except crackers and pretzels."[8]