an industry association analysis an industry association analysis Cost of Auto Insurance national average of $785 an industry association analysis http://www.rmiia.org/auto/steering Ohio insurance costs are fairly low Cost of Auto Insurance $785 in 2009, compared to $832 in 2005 National Association of Insurance Commissioners more than it costs to maintain the fund RMIIA.org average cost was $815 a year in 2012 national average cost national average cost