Themelthorpe is a civil parish

Civil parish

In England, a civil parish is a territorial designation and, where they are found, the lowest tier of local government below districts and counties...

 in the English county of Norfolk

Norfolk

Norfolk is a low-lying county in the East of England. It has borders with Lincolnshire to the west, Cambridgeshire to the west and southwest and Suffolk to the south. Its northern and eastern boundaries are the North Sea coast and to the north-west the county is bordered by The Wash. The county...

, 3 miles (4.8 km) north west of Reepham.
It covers an area of 2.69 km² (1 sq mi) and had a population of 65 in 27 households as of the 2001 census

United Kingdom Census 2001

A nationwide census, known as Census 2001, was conducted in the United Kingdom on Sunday, 29 April 2001. This was the 20th UK Census and recorded a resident population of 58,789,194....

.
For the purposes of local government, it falls within the district

Non-metropolitan district

Non-metropolitan districts, or colloquially shire districts, are a type of local government district in England. As created, they are sub-divisions of non-metropolitan counties in a so-called "two-tier" arrangement...

 of Broadland

Broadland

Broadland is a local government district in Norfolk, England, named after the Norfolk Broads. Its council is based in Thorpe St Andrew, which is a suburb of the City of Norwich.-History:The district was formed on April 1, 1974 by the merger of St...

.

Themelthorpe Curve

The Themelthorpe Curve was built to join two separate stretches of railway, the section from Themelthorpe to Norwich which built in 1882 by the Midland and Great Northern Joint Railway

Midland and Great Northern Joint Railway

The Midland and Great Northern Joint Railway, was a joint railway owned by the Midland Railway and the Great Northern Railway in eastern England, affectionately known as the 'Muddle and Get Nowhere' to generations of passengers, enthusiasts, and other users.The main line ran from Peterborough to...

 and the line from Themelthorpe to Aylsham, completed in 1883 by the Great Eastern Railway

Great Eastern Railway

The Great Eastern Railway was a pre-grouping British railway company, whose main line linked London Liverpool Street to Norwich and which had other lines through East Anglia...

. This section was to be the final section of railway track built in Norfolk by British Rail

British Rail

British Railways , which from 1965 traded as British Rail, was the operator of most of the rail transport in Great Britain between 1948 and 1997. It was formed from the nationalisation of the "Big Four" British railway companies and lasted until the gradual privatisation of British Rail, in stages...

 and was the sharpest curve in the whole of the British rail network. It was opened in 1960 to shorten the route of freight trains carrying concrete products running from a terminal at Lenwade

Lenwade railway station

Lenwade railway station was a railway station in North Norfolk, England. It was built by the Lynn and Fakenham Railway Company in 1882 and taken over by the Midland and Great Northern Joint Railway in 1893, to serve the small hamlet of Lenwade. Despite the settlement's size, the railway provided...

, and was closed by 1985. It is now part of the Marriott's Way

Marriott's Way

The Marriott's Way is a long distance footpath and bridleway which forms part of the National Cycle Network and is open to walkers, cyclists and horse riders between Hellesdon and Aylsham, Norfolk, England...

footpath.