Delta is located in Iowa. Delta, Iowa has a population of 337. Delta is less family-centric than the surrounding county with 18.87% of the households containing married families with children. The county average for households married with children is 28.42%.
The median household income in Delta, Iowa is $39,565. The median household income for the surrounding county is $54,233 compared to the national median of $69,021. The median age of people living in Delta is 26.8 years.
The average high temperature in July is 85 degrees, with an average low temperature in January of 12.3 degrees. The average rainfall is approximately 37.4 inches per year, with 25.9 inches of snow per year.