Monmouth 52309 Real EstateMonmouth is located in Iowa. Monmouth, Iowa 52309has a population of 172. Monmouth 52309 is less family-centric than the surrounding county with 25.62% of the households containing married families with children. The county average for households married with children is 27.09%. The median household income in Monmouth, Iowa 52309 is $34,792. The median household income for the surrounding county is $51,806 compared to the national median of $57,652. The median age of people living in Monmouth 52309 is 43.1 years. Monmouth WeatherThe 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 36.6 inches per year, with 28.6 inches of snow per year. Monmouth MapReal estate near MonmouthNearby CitiesNearby Cities Homes for Sale |