Van Alen was elected  to the 10th Congress as a Democratic-Republican, succeeding Henry W. Livingston and holding office from March 4, 1807, to March 3, 1809.
Van Alen was elected to the 10th Congress as a member of the Democratic-Republican party, succeeding Henry W. Livingston and serving from March 4, 1807, to March 3, 1809.