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FludZone

Iola, Kansas Flood Zones

Last updated: March 2026

Iola faces flooding from the Neosho River in Allen County. Prolonged rainfall upstream can cause significant river level rises that threaten properties along the floodplain.

Allen County has recorded 91 NFIP flood insurance claims since 1978, totaling $3.2M in payouts. Explore the full NFIP claims data by state and county to see how this area compares nationally.

FEMA Region

Region 7

NFIP Policies

74

Allen County

Avg. Premium

$1,221/yr

Allen County

FEMA Flood Risk Profile: Allen County

Based on FEMA's National Risk Index, which evaluates flood risk at the county level using historical loss data, exposure, and vulnerability.

Inland Flood Risk

Very Low

Est. annual loss: $3.9M

Hurricane Risk

Very Low

Est. annual loss: $6K

Social Vulnerability: Very Low
Community Resilience: Relatively Moderate

Source: FEMA National Risk Index, county-level assessment. Individual property risk may vary.

Federal Flood Disaster History: Allen County

Allen County has been included in 2 federal flood-related disaster declarations.

2005Hurricane Katrina EvacuationHurricane
1986Severe Storms & FloodingFlood

These declarations affected communities across Allen County, including Iola.

Source: OpenFEMA Disaster Declarations Summaries API. Data sourced February 2026.

NFIP Flood Insurance Claims: Allen County

Properties in Allen County have filed 91 NFIP flood insurance claims totaling $3.2M in payouts since 1978. The average claim payout is $35K.

Highest-Claim Years

2007

68 claims - $2.5M

1986

8 claims - $23K

1994

5 claims - $50K

Claims by Flood Zone

Zone AE
54(avg. $49K)
Zone A
25(avg. $12K)
Zone X
12(avg. $17K)

Source: OpenFEMA NFIP Claims API. Data sourced March 2026. See national claims data.

Active NFIP Policies: Allen County

Allen County currently has 74 active NFIP flood insurance policies with an average annual premium of $1,221, totaling $90K in annual premiums.

Average Annual Premium

Allen County$1,221
National Average$915

Policies by Flood Zone

Zone AE
55(avg. $1,286/yr)
Zone A
10(avg. $1,296/yr)
Zone X
9(avg. $739/yr)

Source: OpenFEMA NFIP Policies API. Data sourced March 2026.

What Your Flood Zone Means in Iola

Iola faces flood risk primarily from river and stream overflow during heavy rainfall, snowmelt, or upstream dam releases. When rivers exceed their banks, floodwaters spread across low-lying areas mapped in AE and A zones. The most common FEMA flood zone designations in Iola are Zone AE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $3.9M.

Riverine flood risk in Iola is driven by the proximity and elevation of properties relative to nearby waterways. Properties closer to rivers with lower ground elevations typically face higher flood insurance premiums under FEMA's Risk Rating 2.0. If your property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance.

River flood maps can change when FEMA conducts new Flood Insurance Studies or when development alters drainage patterns. Letters of Map Amendment (LOMA) can remove individual properties if the natural ground elevation was always above the Base Flood Elevation and the property was inadvertently mapped in the SFHA. Use our free lookup tool to check the current flood zone for any Iola address.

Flood Insurance Discount: Iola

Iola participates in FEMA's Community Rating System (CRS), a voluntary program that rewards communities for flood mitigation efforts beyond minimum NFIP requirements. Residents in the Special Flood Hazard Area may qualify for reduced flood insurance premiums.

CRS Class

Class 9

SFHA Premium Discount

5% off

CRS classes range from 1 (best) to 10 (no discount). Iola's Class 9 rating means NFIP policyholders in the SFHA can receive up to a 5% discount on their flood insurance premiums. Properties outside the SFHA may receive a 5% discount.

Source: FEMA Community Rating System, October 2025. Discounts apply to NFIP policies only.

Iola, KS Flood Zone FAQ

What flood zones are in Iola, KS?

The most common FEMA flood zones in Iola are Zone AE, Zone X. Properties in these high-risk zones (SFHA) may require flood insurance with a federally regulated or government-backed mortgage.

Is flood insurance required in Iola?

If your Iola property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance. Properties in Zone X are not federally required to carry flood insurance, though coverage is still recommended since over 40% of all NFIP flood claims come from Zone X properties.

How do I check my flood zone in Iola?

Enter your Iola address in the search tool above for an instant flood zone determination. Results include your FEMA flood zone, SFHA status, base flood elevation (if available), and FIRM panel information, pulled directly from FEMA's National Flood Hazard Layer.

Does Iola offer flood insurance discounts?

Yes. Iola participates in FEMA's Community Rating System (CRS) with a Class 9 rating, qualifying residents in the Special Flood Hazard Area for up to a 5% discount on NFIP flood insurance premiums. Properties outside the SFHA may receive a 5% discount.

Has Iola experienced major flooding events?

Allen County, where Iola is located, has been part of 2 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Hurricane Katrina Evacuation in 2005. Federal disaster declarations are issued when flooding overwhelms local resources and triggers FEMA assistance programs.

How many flood insurance claims have been filed in Iola?

Allen County has recorded 91 NFIP flood insurance claims totaling $3.2M in payouts since 1978. The year with the most claims was 2007, with 68 claims and $2.5M in payouts. These figures cover all NFIP claims in the county, including Iola.

How many flood insurance policies are active in Iola?

Allen County currently has 74 active NFIP flood insurance policies with an average annual premium of $1,221. The most policies are in Zone AE (55 policies). These figures cover all active NFIP policies in the county.

Can my Iola property be removed from a high-risk flood zone?

Yes, if your property's natural ground elevation is above the Base Flood Elevation and FEMA inadvertently mapped it in a high-risk zone, you can apply for a Letter of Map Amendment (LOMA). A successful LOMA removes the property from the Special Flood Hazard Area, generally eliminating the federal mandatory flood insurance requirement. You will need an elevation certificate from a licensed surveyor. If a property was raised above the BFE with fill material, the process is a LOMR-F rather than a LOMA.

What is Base Flood Elevation in Iola?

Base Flood Elevation (BFE) is the predicted height of floodwaters during a 1% annual chance (100-year) flood, shown on FEMA maps as an elevation number in feet above sea level. In Iola's Zone AE areas, BFE lines appear on the FIRM as wavy contours labeled with elevation values. Properties with a lowest floor at or above the BFE typically qualify for significantly lower NFIP flood insurance premiums.

Look Up Any Iola, KS Address

Enter a Iola, KS address to instantly check its FEMA flood zone designation, SFHA status, and insurance requirements.

Disclaimer: Flood risk data on this page is sourced from FEMA datasets including the National Risk Index, NFIP claims and policy records, disaster declarations, and the Community Rating System. These datasets were last extracted on March 2026 and may not reflect the most recent changes. This page is for informational purposes only and is not a certified flood zone determination. Always verify current flood zone status through FEMA or a licensed determination provider before making property, insurance, or lending decisions.