Olin 52320 Real EstateOlin is located in Iowa. Olin, Iowa 52320has a population of 746. Olin 52320 is more family-centric than the surrounding county with 32.87% of the households containing married families with children. The county average for households married with children is 30.85%. The median household income in Olin, Iowa 52320 is $44,464. The median household income for the surrounding county is $58,391 compared to the national median of $57,652. The median age of people living in Olin 52320 is 36.4 years. Olin WeatherThe average high temperature in July is 83.6 degrees, with an average low temperature in January of 9.1 degrees. The average rainfall is approximately 36.7 inches per year, with 22 inches of snow per year. Olin MapReal estate near OlinNearby CitiesNearby Cities Homes for Sale |