According to the 2000 Census, Washington County, Missouri has a population of 23,344 people. Of those, 22,286 (96%) are White, 578 (2%) are Black, and 170 (739%) are Latino. However, 949 (or 4% of the 23,344 people) are not residents by choice but are people in prison.
A more accurate description would not include the prisoners. This would give Washington County a population of 22,395 with a demographic that is 97% White, 1% Black, and 1% Latino.