POCKLINGTON, a market-town of Yorkshire, in the east riding, and the wapentake of Harthill, 193 miles from London. It is situated on a small stream that falls into the river Derwent, and has a market, which is held on Saturday. The population amounted in 1801 to 1502, in 1811 to 1539, in 1821 to 1962, and in 1831 to 2048; but the whole parish, which comprehends three other townships, had at the last census 2265 inhabitants.