Grafton is located in North Dakota. Grafton, North Dakota 58237has a population of 4,226. Grafton 58237 is more family-centric than the surrounding county with 25% of the households containing married families with children. The county average for households married with children is 23%.
The median household income in Grafton, North Dakota 58237 is $54,188. The median household income for the surrounding county is $57,632 compared to the national median of $66,222. The median age of people living in Grafton 58237 is 41.7 years.
The average high temperature in July is 81.7 degrees, with an average low temperature in January of -2.8 degrees. The average rainfall is approximately 18.32 inches per year, with inches of snow per year.