Homeowners Insurance & Natural Hazard Costs in Marshalltown

Marshalltown's real, dated 2018 tornado history is a genuine, specific factor to raise with a carrier, layered onto Iowa's broader statewide homeowners-insurance costs.

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A real, dated, direct-hit tornado history

An EF3 tornado with 144 mph peak winds struck downtown Marshalltown directly on July 19, 2018, causing more than $200 million in damage -- a real, specific event worth discussing with a carrier when shopping for wind/hail coverage (base record).

Real, regional derecho/severe-thunderstorm exposure

Marshall County sits within the broader path of severe convective storm systems like the real, catastrophic August 10, 2020 derecho that struck a wide swath of Iowa (base record).

Iowa-wide homeowners-insurance costs

No Marshalltown-specific premium figure was found this pass; Iowa's statewide average runs approximately $2,527-$2,664/year for $300,000 dwelling coverage, per this project's own verified statewide research (base record).

Key takeaways

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Last reviewed: 2026-08-27. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.