Try a different search or click on nearby areas below.
Murphy is a census-designated place (CDP) in Jefferson County, Missouri, United States. The population was 8,690 at the 2010 census, down from 9,048 in 2000.
A post office called Murphy was established in 1894, and remained in operation until 1906. The community has the name of the local Murphy family.
Murphy is located in northern Jefferson County at 38°29′35″N 90°29′12″W (38.492954, -90.486544), with its northern border following the St. Louis County line. Missouri Route 30 passes through the community, leading northeast 19 miles (31 km) to downtown St. Louis and southwest 35 miles (56 km) to St. Clair.
According to the United States Census Bureau, the CDP has a total area of 4.0 square miles (10.3 km2), of which 0.04 square miles (0.1 km2), or 0.95%, are water.
As of the census of 2000, there were 9,048 people, 3,463 households, and 2,489 families residing in the CDP. The population density was 2,281.9 people per square mile (880.0/km²). There were 3,613 housing units at an average density of 911.2/sq mi (351.4/km²).