McHenry is located in Mississippi. McHenry, Mississippi has a population of 1,252.
The median household income in McHenry, Mississippi is $70,703. The median household income for the surrounding county is $46,283 compared to the national median of $57,652. The median age of people living in McHenry is 31.3 years.
The average high temperature in July is 92.9 degrees, with an average low temperature in January of 41.2 degrees. The average rainfall is approximately 64.9 inches per year, with 0.1 inches of snow per year.