Illinois Mold & Moisture Guide

1,286 cities · 1,575 ZIP records

DampDeck combines factual geography with a source-led state moisture profile. Because states can span multiple climate regions, the profile is orientation rather than a city-level climate claim.

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US moisture context

Cold / humid-season moisture context

Winter condensation on cold surfaces can coexist with basement seepage, roof leaks and warm-season humidity. Air sealing or weatherization without adequate ventilation can also change indoor moisture behavior.

County recordsNot supplied

ZIP coverage1575 records

How to read this: this is state-level orientation, not a claim that every home in Illinois has the same climate, construction or moisture risk. US states can span multiple climate regions. Diagnose the actual water pathway first.

Guidance basis: US EPA moisture and mold control guidance; US Department of Energy Building America climate-region framework. Reviewed September 2026.

Chicago84 ZIPs · Cook Springfield35 ZIPs · Sangamon Peoria29 ZIPs · Peoria Rockford14 ZIPs · Winnebago Aurora10 ZIPs · DuPage, Kane Bloomington8 ZIPs · McLean East Saint Louis7 ZIPs · St. Clair Palatine7 ZIPs · Cook Schaumburg7 ZIPs · Cook Carol Stream6 ZIPs · DuPage Champaign6 ZIPs · Champaign Decatur6 ZIPs · Macon Evanston6 ZIPs · Cook Joliet6 ZIPs · Will Naperville6 ZIPs · DuPage, Will Belleville5 ZIPs · St. Clair Elgin5 ZIPs · Kane Des Plaines4 ZIPs · Cook Loves Park4 ZIPs · Winnebago Oak Park4 ZIPs · Cook Arlington Heights3 ZIPs · Cook Carbondale3 ZIPs · Jackson Crystal Lake3 ZIPs · McHenry Hoffman Estates3 ZIPs · Cook Melrose Park3 ZIPs · Cook Pekin3 ZIPs · Tazewell Plainfield3 ZIPs · Will Quincy3 ZIPs · Adams Rock Island3 ZIPs · Rock Island Urbana3 ZIPs · Champaign Waukegan3 ZIPs · Lake Barrington2 ZIPs · Lake Bensenville2 ZIPs · DuPage Bloomingdale2 ZIPs · DuPage Bolingbrook2 ZIPs · Will Chicago Heights2 ZIPs · Cook Danville2 ZIPs · Vermilion Downers Grove2 ZIPs · DuPage East Peoria2 ZIPs · Tazewell Edwardsville2 ZIPs · Madison Elk Grove Village2 ZIPs · Cook Galesburg2 ZIPs · Knox Glen Ellyn2 ZIPs · DuPage Glenview2 ZIPs · Cook Hinsdale2 ZIPs · DuPage Jacksonville2 ZIPs · Morgan Mchenry2 ZIPs · McHenry Moline2 ZIPs · Rock Island Normal2 ZIPs · McLean North Chicago2 ZIPs · Lake Northbrook2 ZIPs · Cook Oak Lawn2 ZIPs · Cook Orland Park2 ZIPs · Cook Saint Charles2 ZIPs · Kane Skokie2 ZIPs · Cook Tinley Park2 ZIPs · Cook, Will West Chicago2 ZIPs · DuPage Wheaton2 ZIPs · DuPage Wood Dale2 ZIPs · DuPage Abingdon1 ZIP · Knox Adair1 ZIP · McDonough Addieville1 ZIP · Washington Addison1 ZIP · DuPage Albany1 ZIP · Whiteside Albers1 ZIP · Clinton Albion1 ZIP · Edwards Alden1 ZIP · McHenry Aledo1 ZIP · Mercer Alexander1 ZIP · Morgan Alexis1 ZIP · Mercer Algonquin1 ZIP · McHenry Alhambra1 ZIP · Madison Allendale1 ZIP · Wabash Allerton1 ZIP · Vermilion Alma1 ZIP · Marion Alpha1 ZIP · Henry Alsey1 ZIP · Scott Alsip1 ZIP · Cook Altamont1 ZIP · Effingham Alto Pass1 ZIP · Union Alton1 ZIP · Madison Altona1 ZIP · Knox Alvin1 ZIP · Vermilion Amboy1 ZIP · Lee Anchor1 ZIP · McLean Ancona1 ZIP · Livingston Andalusia1 ZIP · Rock Island Andover1 ZIP · Henry Anna1 ZIP · Union Annapolis1 ZIP · Crawford Annawan1 ZIP · Henry Antioch1 ZIP · Lake Apple River1 ZIP · Jo Daviess Arcola1 ZIP · Douglas Arenzville1 ZIP · Cass Argenta1 ZIP · Macon Arlington1 ZIP · Bureau Armington1 ZIP · Tazewell Armstrong1 ZIP · Vermilion Aroma Park1 ZIP · Kankakee Arrowsmith1 ZIP · McLean Arthur1 ZIP · Douglas Ashkum1 ZIP · Iroquois Ashland1 ZIP · Cass Ashley1 ZIP · Washington Ashmore1 ZIP · Coles Ashton1 ZIP · Lee Assumption1 ZIP · Christian Astoria1 ZIP · Fulton Athens1 ZIP · Menard Atkinson1 ZIP · Henry Atlanta1 ZIP · Logan Atwood1 ZIP · Douglas Auburn1 ZIP · Sangamon Augusta1 ZIP · Hancock Ava1 ZIP · Jackson Aviston1 ZIP · Clinton Avon1 ZIP · Fulton Baileyville1 ZIP · Ogle Baldwin1 ZIP · Randolph Bardolph1 ZIP · McDonough Barnhill1 ZIP · Wayne Barry1 ZIP · Pike Barstow1 ZIP · Rock Island Bartelso1 ZIP · Clinton Bartlett1 ZIP · Cook Basco1 ZIP · Hancock Batavia1 ZIP · Kane Batchtown1 ZIP · Calhoun Bath1 ZIP · Mason Baylis1 ZIP · Pike Beardstown1 ZIP · Cass Beason1 ZIP · Logan Beaverville1 ZIP · Iroquois Beckemeyer1 ZIP · Clinton Bedford Park1 ZIP · Cook Beecher1 ZIP · Will Beecher City1 ZIP · Effingham Belknap1 ZIP · Johnson Belle Rive1 ZIP · Jefferson Bellflower1 ZIP · McLean Bellmont1 ZIP · Wabash Bellwood1 ZIP · Cook Belvidere1 ZIP · Boone Bement1 ZIP · Piatt Benld1 ZIP · Macoupin Benson1 ZIP · Woodford Benton1 ZIP · Franklin Berkeley1 ZIP · Cook Berwick1 ZIP · Warren Berwyn1 ZIP · Cook Bethalto1 ZIP · Madison Bethany1 ZIP · Moultrie Big Rock1 ZIP · Kane Biggsville1 ZIP · Henderson Bingham1 ZIP · Fayette Bishop Hill1 ZIP · Henry Bismarck1 ZIP · Vermilion Blackstone1 ZIP · Livingston Blandinsville1 ZIP · McDonough Blue Island1 ZIP · Cook Blue Mound1 ZIP · Macon Bluff Springs1 ZIP · Cass Bluffs1 ZIP · Scott Bluford1 ZIP · Jefferson Boles1 ZIP · Johnson Bondville1 ZIP · Champaign Bone Gap1 ZIP · Edwards Bonfield1 ZIP · Kankakee Bonnie1 ZIP · Jefferson Boody1 ZIP · Macon Bourbonnais1 ZIP · Kankakee Bowen1 ZIP · Hancock Braceville1 ZIP · Grundy Bradford1 ZIP · Stark Bradley1 ZIP · Kankakee Braidwood1 ZIP · Will Breese1 ZIP · Clinton Bridgeport1 ZIP · Lawrence Bridgeview1 ZIP · Cook Brighton1 ZIP · Jersey Brimfield1 ZIP · Peoria Bristol1 ZIP · Kendall Broadlands1 ZIP · Champaign Broadview1 ZIP · Cook Brocton1 ZIP · Edgar Brookfield1 ZIP · Cook Brookport1 ZIP · Massac Broughton1 ZIP · Hamilton Browning1 ZIP · Schuyler Browns1 ZIP · Edwards Brownstown1 ZIP · Fayette Brussels1 ZIP · Calhoun Bryant1 ZIP · Fulton Buckingham1 ZIP · Kankakee Buckley1 ZIP · Iroquois Buckner1 ZIP · Franklin Buda1 ZIP · Bureau Buffalo1 ZIP · Sangamon Buffalo Grove1 ZIP · Lake Buffalo Prairie1 ZIP · Rock Island Bulpitt1 ZIP · Christian Buncombe1 ZIP · Johnson Bunker Hill1 ZIP · Macoupin Burbank1 ZIP · Cook Bureau1 ZIP · Bureau Burlington1 ZIP · Kane Burnt Prairie1 ZIP · White Bushnell1 ZIP · McDonough Butler1 ZIP · Montgomery Byron1 ZIP · Ogle Cabery1 ZIP · Ford Cairo1 ZIP · Alexander Caledonia1 ZIP · Boone Calhoun1 ZIP · Richland Calumet City1 ZIP · Cook Camargo1 ZIP · Douglas Cambria1 ZIP · Williamson Cambridge1 ZIP · Henry Camden1 ZIP · Schuyler Cameron1 ZIP · Warren Camp Grove1 ZIP · Marshall Camp Point1 ZIP · Adams Campbell Hill1 ZIP · Jackson Campus1 ZIP · Livingston Canton1 ZIP · Fulton Cantrall1 ZIP · Sangamon Capron1 ZIP · Boone Carbon Cliff1 ZIP · Rock Island Carlinville1 ZIP · Macoupin Carlock1 ZIP · McLean Carlyle1 ZIP · Clinton Carman1 ZIP · Henderson Carmi1 ZIP · White Carpentersville1 ZIP · Kane Carrier Mills1 ZIP · Saline Carrollton1 ZIP · Greene Carterville1 ZIP · Williamson Carthage1 ZIP · Hancock Cary1 ZIP · McHenry Casey1 ZIP · Clark Caseyville1 ZIP · St. Clair Castleton1 ZIP · Stark Catlin1 ZIP · Vermilion Cave In Rock1 ZIP · Hardin Cedar Point1 ZIP · LaSalle Cedarville1 ZIP · Stephenson Centralia1 ZIP · Marion Cerro Gordo1 ZIP · Piatt Chadwick1 ZIP · Carroll

This state page shows the 250 largest city records by ZIP coverage. ZIP search still resolves every record in the bundled dataset.

Illinois moisture & mold help

1,286 cities · 1,575 ZIP records

Cold / humid-season moisture context