Auto-Owners offers the cheapest liability-only car insurance in Ohio at $27 monthly or $324 annually, providing good value in a state known for reasonable insurance costs. Ohio's competitive market and moderate risk factors contribute to affordable rates across multiple insurers.
Ohio Mutual Insurance ($31 monthly) and Erie Insurance ($29 monthly) offer strong regional alternatives, while Travelers ($36 monthly) and GEICO ($40 monthly) round out the top five. Ohio drivers enjoy multiple budget-friendly options for meeting state requirements as of October 2025.