DOWNHAM, a town in the hundred of Clackclose, in the county of Norfolk, eighty-four miles from London, and situated on the borders of Cambridgeshire. The river Ouse, which receives the Cam, runs near it. It has markets on Mondays and Saturdays. The inhabitants amounted in 1801 to 1512, in 1811 to 1771, in 1821 to 2044, and in 1831 to 2198.