Browse Real Estate Listings in HornCastle, Lincolnshire or list your own. Advertise, sell your property, list it for letHorncastle is an English market town and civil parish in Lincolnshire, 17 miles (27 km) east of the county town of Lincoln. It had a population of 6,815, according to the 2011 Census. A section of the ancient Roman walls remains.Source: https://en.wikipedia.org/