Oelwein Real EstateOelwein is located in Iowa. Oelwein, Iowa has a population of 5,961. Oelwein is more family-centric than the surrounding county with 27.25% of the households containing married families with children. The county average for households married with children is 27.2%. The median household income in Oelwein, Iowa is $38,325. The median household income for the surrounding county is $50,973 compared to the national median of $69,021. 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 6.6 degrees. The average rainfall is approximately 36.8 inches per year, with 34.6 inches of snow per year. Oelwein MapReal estate near OelweinNearby CitiesNearby Cities Homes for Sale |