Natural Disaster Risk in Calhoun County

Natural Hazard Profile: Calhoun County, Iowa

Calhoun County is located in the United States in Iowa, home to roughly 9,927 residents. The county experiences cold winters, hot summers, and frequent severe weather, with a tornado-active spring season shaping the natural hazards faced by its communities. FEMA assesses risk at this county level, providing the baseline for every city and ZIP code within its boundaries.

According to FEMA's National Risk Index, Calhoun County carries an overall risk score of 5.3/10, placing it in the moderate category. Prolonged drought is the primary hazard risk, shaped by low annual rainfall, high evaporation rates, and increasing temperature trends that deepen and lengthen dry periods. The area also faces notable exposure to hail and tornado.

Calhoun County's risk score, near the 5.4/10 state average and above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Calhoun County, the highest-scoring are drought, hail, and tornado. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

Calhoun County's moderate risk profile means that while catastrophic events are less frequent, they do occur. Standard homeowners insurance typically covers many common hazards here, but confirming that drought exposure is adequately protected is a worthwhile step for property owners.