 The 2000 United States Census records 2,486 individuals with the surname Bross living in the United States and there are roughly 7,000 individuals worldwide.159 live in France though they are almost exclusively clustered in the regions to the extreme East, near the border with Germany.Thus, 66 percent of Brosses live in the US, Germany, and France with the greatest concentration found in the German state of Baden-Württemberg centered around the Western portions of the Black Forest.