Natural Disaster Risk in Marion County

Natural Hazard Profile: Marion County, Indiana

Marion County is located in the United States in Indiana, home to roughly 977,041 residents. The county experiences cold winters and warm, humid summers with variable severe weather, with spring tornado risk across the state 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, Marion County carries an overall risk score of 7.5/10, placing it in the high category. Extreme cold snaps top the local risk profile, with Arctic front passages causing rapid and severe temperature drops that challenge both infrastructure and outdoor safety. The area also faces notable exposure to heat and wind.

Marion County's risk score, considerably above the 5.5/10 state average and well above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Marion County, the highest-scoring are cold wave, heat, and wind. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

With a high natural disaster risk rating, Marion County residents benefit from taking preparedness seriously. Reviewing insurance coverage for cold wave and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.