Monmouthshire Constabulary was the Home Office

Home Office

The Home Office is the United Kingdom government department responsible for immigration control, security, and order. As such it is responsible for the police, UK Border Agency, and the Security Service . It is also in charge of government policy on security-related issues such as drugs,...

 police

Police

The police is a personification of the state designated to put in practice the enforced law, protect property and reduce civil disorder in civilian matters. Their powers include the legitimized use of force...

 force for the county of Monmouthshire

Monmouthshire (historic)

Monmouthshire , also known as the County of Monmouth , is one of thirteen ancient counties of Wales and a former administrative county....

 (excluding the county borough of Newport

Newport

Newport is a city and unitary authority area in Wales. Standing on the banks of the River Usk, it is located about east of Cardiff and is the largest urban area within the historic county boundaries of Monmouthshire and the preserved county of Gwent...

), United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 until 1967.

The force was established in 1857. In 1967 it amalgamated with Newport Borough Police

Newport Borough Police (Monmouthshire)

The Newport Borough Police was the police force for the borough of Newport, Monmouthshire between 1836 and 1967.In 1830 four watchmen were appointed to patrol the streets of Newport for the purpose of maintaining law and order. They also served to protect the people and their property.By 1834...

 to form Gwent Police

Gwent Police

Gwent Police is the territorial police force responsible for policing the local authority areas of Blaenau Gwent, Caerphilly, Monmouthshire, Newport and Torfaen in southeast Wales....

.

In 1965, the force had an establishment of 465 officers and also an actual strength of 465, making it the only force in England and Wales that was up to strength.