Petersburg Real EstatePetersburg is located in Michigan. Petersburg, Michigan has a population of 1,253. Petersburg is more family-centric than the surrounding county with 29.86% of the households containing married families with children. The county average for households married with children is 28.44%. The median household income in Petersburg, Michigan is $56,012. The median household income for the surrounding county is $59,479 compared to the national median of $57,652. The median age of people living in Petersburg is 37.3 years. Petersburg WeatherThe average high temperature in July is 83.4 degrees, with an average low temperature in January of 17.4 degrees. The average rainfall is approximately 34.6 inches per year, with 39 inches of snow per year. Petersburg MapReal estate near PetersburgNearby CitiesNearby Cities Homes for Sale |