Roche is a civil parish and village in mid-Cornwall, England, United Kingdom. The village gets its name from the 20-metre high Roche Rock, a quartz-schorl outcrop east of the village. Roche is the Norman-French word for Rock. The parish population at the 2011 census including Belowda, Bilberry, Carbis, Coldvreath and Criggan is 3,381, and the …Roche is a civil parish and village in mid-Cornwall, England, United Kingdom. The village gets its name from the 20-metre high Roche Rock, a quartz-schorl outcrop east of the village. Roche is the Norman-French word for Rock. The parish population at the 2011 census including Belowda, Bilberry, Carbis, Coldvreath and Criggan is 3,381, and the ward population at the same census was 3,867.