[1] He served as city attorney of West Palm Beach from 1928 until 1933 and as a member of the taxation committee of President Herbert Hoover's Conference on Home Ownership in 1931.

[1] Wilcox was elected to Congress in 1932, defeating two-term Congressional representative Ruth Bryan Owen in the June Democratic primary.

He was not a candidate for Congress in 1938, instead choosing to make a run for the Democratic nomination for United States Senator, a campaign which was ultimately unsuccessful.

[1] In a congressional discussion on the Fair Labor Standards Act of 1937, Wilcox expressed the importance and concern of Southern Democrats in maintaining wage disparities among races.

So long as Florida people are permitted to handle the matter, the delicate and perplexing problem can be adjusted; but the Federal Government knows no color line and of necessity, it cannot make any distinction between the races.

[1] Later, he served as attorney for the Dade County Port Authority/Greater Miami Traffic Association from 1945 until his death at his farm, ChrisMar, in White Springs, Florida, on February 3, 1956.