Blog · October 14, 2026 · Illinois
Perry County Flood Zone Map (Illinois)
FEMA's free flood maps and the Perry County parcel viewer, used together for property near Pinckneyville.
Main page: Perry County, IL GIS & Parcel Viewer (official map link, Perry County facts and neighboring maps).
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The Perry County flood zone map question tends to arrive at a bad moment: a lender's letter, an insurance quote, or a permit counter in Cutler. FEMA's free Flood Map Service Center and the Perry County parcel viewer answer it together.
Below are the FEMA links, a plain reading of the zone labels, notes on where water shapes land around Cutler, and short answers to common questions.
Look up the Perry County flood zone map step by step
Open the FEMA Flood Map Service Center and type a county street address, say one in Tamaroa. The site returns the effective Flood Insurance Rate Map (FIRM) panel covering that Tamaroa location, which you can view or download. For an interactive view of the county, the National Flood Hazard Layer viewer is easier to use, so you can see if the shading reaches a house near Willisville. Next, the Perry County Beacon site confirms which Perry County parcel you're looking at. Laying the county parcel outline beside the FEMA shading shows if a homesite near Willisville sits above or inside the zone.
Step one: the free Perry County viewer
Perry County publishes its parcels on the Perry County Beacon site, which runs on Schneider Geospatial's Beacon platform, free to use for a lot in Cutler or a piece of ground near Willisville. Search a Willisville address on the county search page, read the report, then jump to the map to see that parcel's outline. Bookmark our Perry County page too; it tracks the official Illinois link if it moves and lists the maps around Cutler.
What the flood zone letters mean
On the FIRM covering Perry County, zones that start with A or V are Special Flood Hazard Areas, meaning FEMA estimates a 1-percent annual chance of flooding. A surveyor working near Tamaroa uses the base flood elevation printed for AE zones; unnumbered A zones don't have one. Land near Willisville in shaded X (Zone B on older maps) sits in the moderate band between the 100-year and 500-year floods. Clear, unshaded X near Tamaroa is outside the 500-year floodplain.
Creeks, rivers and low ground in Perry County
In Perry County, look closest at tracts along Mississippi River and Beaucoup Creek. Don't assume a piece of ground near Willisville is clear since its road frontage sits high. Small streams and ditches near Tamaroa may not be studied in detail, which is why it is worth walking the ground after a heavy rain.
Seller questions about flood history
For a house near Pinckneyville, ask the seller for any elevation certificate on file and the current flood insurance declarations page. Quotes for land near Denmark depend on the zone and the building's elevation, so bring both to the agent.
Map dates and floodways in Perry County
The FIRM panel for Perry County carries an effective date; if it is old, ask the county floodplain office if new maps for land near St. Johns are in progress. A floodway on a county panel marks the part of the floodplain that carries the main flow, and it is treated more strictly than the rest of the zone near Denmark.
When the map affects a deal
The zone shows up again when a loan on a house near Willisville is underwritten. When a county home falls inside an A or V zone and carries a federally backed mortgage, federal rules call for flood insurance, provided the community near Tamaroa takes part in the National Flood Insurance Program. For a Perry County home in shaded or unshaded X, federal rules don't require a policy, although some lenders require it anyway. When a Perry County homesite is on a rise inside a mapped zone, the owner can ask FEMA for a Letter of Map Amendment (LOMA), generally backed by an elevation certificate from a surveyor who works in Perry County. Placing fill on low ground near Tamaroa often requires a permit and an elevation check, so call the county or the town office in Tamaroa before work starts.
Perry County, IL: common questions
Who prepares an elevation certificate for a house in Du Quoin?
A licensed land surveyor or engineer prepares it, and the building office serving Du Quoin may already have one on file for newer construction.
Does a 100-year floodplain near Willisville flood only once a century?
Not at all; a county tract in that zone faces a 1-percent annual chance, and two floods in one decade near Du Quoin are possible.
How do I challenge a flood zone for a lot in Du Quoin?
For a lot in Du Quoin, hire a surveyor for an elevation certificate, then file a LOMA request with FEMA.
Is Zone AE near Willisville high risk?
Yes, a piece of ground near Willisville in Zone AE is high risk: a 1-percent-annual-chance floodplain where FEMA lists a base flood elevation.
How can I check a Perry County, IL flood zone?
Look it up at FEMA's Flood Map Service Center, then match the parcel lines in the Perry County Beacon site; for land near Willisville, a zone starting with A or V is high risk.
Open the official Perry County, IL parcel map Perry County in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.