Horncastle

Horncastle
Town and civil parish
Market Place
St Mary’s Church
Antiques Centre
St Mary’s Square
Horncastle
Location within Lincolnshire
Area5.73 km2 (2.21 sq mi)
Population7,291 (2021)
• Density1,272/km2 (3,290/sq mi)
OS grid referenceTF2669
• London115 mi (185 km) S
Civil parish
  • Horncastle
District
Shire county
Region
CountryEngland
Sovereign stateUnited Kingdom
Post townHORNCASTLE
Postcode districtLN9
Dialling code01507
PoliceLincolnshire
FireLincolnshire
AmbulanceEast Midlands
UK Parliament

Horncastle is a market town and civil parish in the East Lindsey district in Lincolnshire, England. It is 17 miles (27 km) east of Lincoln. Its population was 6,815 at the 2011 census, growing to an estimated 7,123 in 2019 and recorded as 7,291 in the 2021 census. A section of the ancient Roman walls remains.