According to the 2000 Census, Montgomery County, Pennsylvania has a population of 750,097 people. Of those, 648,510 (86%) are White, 55,969 (7%) are Black, and 15,300 (2%) are Latino. However, 5,011 (or 1% of the 750,097 people) are not residents by choice but are people in prison.
A more accurate description would not include the prisoners. This would give Montgomery County a population of 745,086 with a demographic that is 87% White, 7% Black, and 2% Latino.