Oelwein Real EstateOelwein is located in Iowa. Oelwein, Iowa has a population of 6,093. Oelwein is less family-centric than the surrounding county with 21.75% of the households containing married families with children. The county average for households married with children is 25.82%. The median household income in Oelwein, Iowa is $42,074. The median household income for the surrounding county is $48,412 compared to the national median of $57,652. The median age of people living in Oelwein is 43.2 years. Oelwein WeatherThe average high temperature in July is 82.4 degrees, with an average low temperature in January of 6.8 degrees. The average rainfall is approximately 36.5 inches per year, with 32.5 inches of snow per year. Oelwein MapReal estate near OelweinNearby CitiesNearby Cities Homes for Sale |