There are 151 Pharmacies in Williamson County, Texas, serving a population of 508,313 people in an area of 1,119 square miles. There is 1 Pharmacy per 3,366 people, and 1 Pharmacy per 7 square miles.
In Texas, Williamson County is ranked 172nd of 254 counties in Pharmacies per capita, and 27th of 254 counties in Pharmacies per square mile.