Buchanan Real EstateBuchanan is located in Iowa. Buchanan, Iowa has a population of 1,595. The median household income in Buchanan, Iowa is $57,025. The median household income for the surrounding county is $62,555 compared to the national median of $57,652. The median age of people living in Buchanan is 38.4 years. Buchanan WeatherThe average high temperature in July is 83.9 degrees, with an average low temperature in January of 11.7 degrees. The average rainfall is approximately 36.8 inches per year, with 22.2 inches of snow per year. Buchanan MapReal estate near BuchananNearby CitiesNearby Cities Homes for Sale |