There are 196 Plumbing Services in Smith County, Texas, serving a population of 222,277 people in an area of 922 square miles. There is 1 Plumbing Service per 1,134 people, and 1 Plumbing Service per 4 square miles.
In Texas, Smith County is ranked 93rd of 254 counties in Plumbing Services per capita, and 31st of 254 counties in Plumbing Services per square mile.