Delmar is located in Iowa. Delmar, Iowa has a population of 525. Delmar is more family-centric than the surrounding county with 34.82% of the households containing married families with children. The county average for households married with children is 27.3%.
The median household income in Delmar, Iowa is $56,932. The median household income for the surrounding county is $50,295 compared to the national median of $57,652. The median age of people living in Delmar is 35.4 years.
The average high temperature in July is 82.6 degrees, with an average low temperature in January of 9.1 degrees. The average rainfall is approximately 35.8 inches per year, with 28.6 inches of snow per year.