Senators were elected over a wide range of time throughout 1846 and 1847, and a seat may have been filled months late or remained vacant due to legislative deadlock.

The Democratic Party gained four seats in the United States Senate.

Senate party division, 30th Congress (1847–1849) After the February 1846 elections in Texas.

John P. Hale was (Independent Democratic) was elected to the next term and would later become a Free Soiler.

William S. Archer (W) lost re-election to Democrat Robert M. T. Hunter.