Markham is located in Virginia. Markham, Virginia 22643 has a population of 189. Markham 22643 is less family-centric than the surrounding county with 25% households with children. The county percentage for households with children is 31%.
The median household income in Markham, Virginia 22643 is $94,405. The median household income for the surrounding county is $97,993 compared to the national median of $61,963. The median age of people living in Markham 22643 is 53.2 years.
The average high temperature in July is 80.86 degrees, with an average low temperature in January of 21.56 degrees. The annual precipitation is 43.42.