DisasterAWARE
7
Very High

flood Flood Risk in Indianapolis, IN

Risk Level: Very High — Score 7/10

FEMA: 7Historical: 10

Live Flood alert status near Indianapolis

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Key Risk Factors

  • FEMA rates Indianapolis's county as Relatively High risk
  • Estimated annual loss of $163M from this hazard type
  • Extensive history of significant events in this area
  • High recent activity — multiple events in the 12 months to Aug 9, 2026
  • Average annual frequency: 2.9 events per year

Peak season: March-September

Last significant event: Flood - Indianapolis area, United States (2026-07-17) — 191,000 people exposed

Highest Risk Cities for Floods

1
New York, NY
FEMA: 9Historical: 10
2
Los Angeles, CA
FEMA: 9Historical: 10
3
Chicago, IL
FEMA: 9Historical: 10
4
Houston, TX
FEMA: 9Historical: 10
5
Phoenix, AZ
FEMA: 9Historical: 10
6
Philadelphia, PA
FEMA: 9Historical: 10
7
San Antonio, TX
FEMA: 9Historical: 10
8
San Diego, CA
FEMA: 9Historical: 10
9
Dallas, TX
FEMA: 9Historical: 10
10
San Jose, CA
FEMA: 9Historical: 10
Indianapolis is not in the top 10 for flood risk among tracked cities.

How Indianapolis Compares

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Notable Flood Events Near Indianapolis

DisasterAWARE's historical archive records 5 notable flood events near Indianapolis, ranked below by impact. The most impactful: Flood - Indianapolis, IN Region, United States (July 2025) — 866,000 people exposed; $99,034M capital exposed.

Flood - Indianapolis, IN Region, United States

July 31, 2025 — WARNING

866,000 people exposed; $99,034M capital exposed

Flood - Indianapolis area, United States

July 17, 2026 — ADVISORY

191,000 people exposed; $23,987M capital exposed

Flood - Indianapolis, IN Region, United States

July 18, 2022 — WARNING

Impact data not available

Flood - Indianapolis, IN Region, United States

May 11, 2021 — WARNING

Impact data not available

Flood - Indianapolis, IN Region, United States

March 21, 2021 — WARNING

Impact data not available

Flood Preparedness Tips

  • 1.Know if your property is in a flood zone — check FEMA maps
  • 2.Consider flood insurance even if not in a high-risk zone
  • 3.Never drive through flooded roadways — Turn Around, Don’t Drown
  • 4.Move valuables and important documents to upper floors
  • 5.Install sump pumps and check valves in plumbing

Related Pages

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Earthquake Risk in Indianapolis
Score: 5/10
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Wildfire Risk in Indianapolis
Score: 1/10
hurricane
Hurricane Risk in Indianapolis
Score: 1/10
tornado
Tornado Risk in Indianapolis
Score: 9/10
winter-storm
Winter Storm Risk in Indianapolis
Score: 7/10
landslide
Landslide Risk in Indianapolis
Score: 3/10
extreme-heat
Extreme Heat Risk in Indianapolis
Score: 7/10
drought
Drought Risk in Indianapolis
Score: 3/10
high-wind
High Wind Risk in Indianapolis
Score: 9/10
tsunami
Tsunami Risk in Indianapolis
Score: 0/10
flood
Flood Risk in Louisville, KY
Score: 7/10
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Flood Risk in Chicago, IL
Score: 9/10
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Flood Risk in Columbus, OH
Score: 7/10

How this data is built

Indianapolis, IN flood risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live flood monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.

The data behind this page

Every score and event here comes from DisasterAWARE's hazard database — available as downloadable historical datasets and a real-time API.

Historical flood event data for Indianapolis, IN — free dataset samples →Real-time flood alerts by API →

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