How Much Does Flood Insurance Cost in Illinois?
Illinois pricing is near the national average. Updated for 2026.
Flood Insurance Pricing in Illinois
In Illinois, the average cost for flood insurance is $945 per year, which is 5% higher than the national average of $900. Most Illinois residents pay between $420 and $3,150.
Illinois has costs that track closely with the national average, though prices can still vary between urban and rural areas within the state.
Flood insurance protects your home and belongings from flood damage — which standard homeowners insurance does NOT cover. Available through the National Flood Insurance Program (NFIP) or private insurers, it's required for federally-backed mortgages in high-risk flood zones.
Illinois vs National Average
What Affects Flood Insurance Cost in Illinois?
Flood Zone
Low-to-moderate risk (Zone X): $400-$800/year. High risk (Zone A/AE): $1,000-$3,000+/year. Coastal (Zone V): $2,000-$5,000+/year
NFIP Risk Rating 2.0
FEMA's new rating system (since 2021) bases premiums on specific property characteristics, distance to water, and flood frequency. Rates vary widely
Coverage
NFIP max: $250,000 building + $100,000 contents. Excess/private flood: higher limits available
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💡 Tips to Save on Flood Insurance in Illinois
- 1.An elevation certificate ($200-$600) may prove your home is lower risk than mapped, reducing premiums significantly
- 2.NFIP rates are standardized but private flood insurers may offer 20-50% lower rates
- 3.Raise utilities and HVAC above base flood elevation to lower premiums
- 4.Your community's CRS (Community Rating System) participation can provide 5-45% discounts
📈 Flood Insurance in Illinois Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $803 | — |
| 2021 | $837 | +4.2% |
| 2022 | $891 | +6.5% |
| 2023 | $916 | +2.8% |
| 2024 | $945 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Flood Insurance in Illinois
Recent Reports
Frequently Asked Questions
Do I need flood insurance?
Required if you have a federally-backed mortgage in a high-risk flood zone (A or V zones). Even in lower-risk areas, 25-30% of all flood claims come from outside high-risk zones. The average flood claim is over $50,000. With no flood insurance, you'll pay out of pocket or rely on limited FEMA assistance.
Does homeowners insurance cover flooding?
No — standard homeowners insurance explicitly excludes flood damage. This is the single most common coverage gap homeowners discover after a disaster. Flood insurance must be purchased separately through NFIP or a private insurer. There's a 30-day waiting period before coverage begins.
Flood Insurance Cost in Other States
Related Cost Guides for Illinois
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