Brot-Plamboz is first mentioned in 998 in the founding documents of the priory of Bevaix, as Broch.

[3] Brot-Plamboz has an area, as of 2009[update], of 16 square kilometers (6.2 sq mi).

Of the rest of the land, 0.43 km2 (0.17 sq mi) or 2.7% is settled (buildings or roads), 0.03 km2 (7.4 acres) or 0.2% is either rivers or lakes and 0.17 km2 (0.066 sq mi) or 1.1% is unproductive land.

It consists of the village of Brot-Plamboz and the hamlets of Les Petits-Ponts and Le Joratel.

The blazon of the municipal coat of arms is Azure, issuant from a Bridge Argent masoned Sable between the initials B and P and between a Pine tree Vert in dexter and a Peat stack Sable in sinister a Rake and a Fork in saltire crossed by a Scythe palewise all of Argent.

[13] The historical population is given in the following chart:[3][14] In the 2007 federal election the most popular party was the SVP which received 29.97% of the vote.

In the federal election, a total of 124 votes were cast, and the voter turnout was 62.9%.

[10] There were 149 residents of the municipality who were employed in some capacity, of which females made up 43.6% of the workforce.

In the tertiary sector; 4 or 66.7% were in a hotel or restaurant, 1 was a technical professional or scientist, 1 was in education.

[10] From the 2000 census[update], 23 or 9.0% were Roman Catholic, while 150 or 58.8% belonged to the Swiss Reformed Church.

During the 2010-11 school year, there were 2 kindergarten classes with a total of 34 students between the municipalities.