Scattered human remains dating back 1600–2000 years have been found in one or more gardens of houses near the local primary school.

[5] The tax assessment was expressed in geld or danegeld and by 1130 it was being collected annually at rates varying between two and six shillings in the pound.

[8] Brampton was the home of his uncle, Robert Pepys, elder brother of the diarist's father, whose house still stands.

After Robert's death in 1661, a bitter legal dispute arose over the Brampton inheritance, involving Samuel, his father and several other claimants.

At the war’s end, the headquarters and staff were moved on 25 April 1945 from The Grange in Brampton to RAF Alconbury, a few miles away, where the US Air Force still operates a wing commanding several bases and facilities today.

[12][14] At Westminster, Brampton is in the parliamentary constituency of Huntingdon, represented in the House of Commons by Ben Obese Jecty (Conservative) since 2024.

Brampton, like most of the United Kingdom, has a temperate and oceanic, or Cfb under the Köppen climate classification Eastern areas such as East Anglia are drier, cooler and less windy, with greater daily and seasonal temperature variations than the rest of England.

Cambridgeshire has cool onshore coastal breezes further to the east, keeping it warm in summer and cold and frosty in winter.

The nearest weather station for long-term data is at RAF Wyton, 3 mi (5 km) north-east of Huntingdon town centre.

[17] Four places offer bar drinking: The Dragoon (currently closed), The Old Mill, The Black Bull, and the Hare on the Green gastro pub, which reopened in October 2018.

Brampton has regular buses (route 66) to St Neots, Hinchingbrooke, Huntingdon and Tesco, run by Whippet (bus company).

Brampton Park has an 18-hole golf course featuring the par-3 4th, a signature hole with a green almost completely surrounded by water, often claimed as England's hardest par-3.

The village falls within the catchment area of Hinchingbrooke School The Anglican church of St Mary Magdalene shares clergy with the parishes of Ellington and Grafham.