Spencer is located in Iowa. Spencer, Iowa has a population of 11,283. Spencer is less family-centric than the surrounding county with 26% households with children. The county percentage for households with children is 26%.
The median household income in Spencer, Iowa is $49,406. The median household income for the surrounding county is $52,846 compared to the national median of $66,222. The median age of people living in Spencer is 41.8 years.
The average high temperature in July is 83.8 degrees, with an average low temperature in January of 5.2 degrees. The annual precipitation is 28.66.