Speedwell is located in Tennessee. Speedwell, Tennessee 37870has a population of 4,417. Speedwell 37870 is less family-centric than the surrounding county with 20% households with children. The county percentage for households with children is 25%.
The median household income in Speedwell, Tennessee 37870 is $39,164. The median household income for the surrounding county is $38,117 compared to the national median of $66,222. The median age of people living in Speedwell 37870 is 47.2 years.
The average high temperature in July is 86.8 degrees, with an average low temperature in January of 24 degrees. The annual precipitation is 51.29.