 Located on the River Cocker, at the estuary of the River Lune, it has a total resident population of 558, increasing to 671 at the 2011 Census.Cockerham has lain within the historic county boundaries of Lancashire since the Middle Ages having previously formed a township and parish within the hundred of Lonsdale and district of Lancaster.Between 1894 and 1974, Cockerham lay within the Lancaster Rural District.