Newhard was elected as a Democrat to the Twenty-sixth and Twenty-seventh Congresses. He was not a candidate for renomination in 1842. He served as burgess in 1843 and trustee of Allentown Academy in 1822, 1826, and 1843. He died in Allentown in 1860 and is interred at the Linden Street Cemetery in Allentown.[3]