National Forest Service
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Click on a county to view related data. "Green" counties contain National Forest acreage.

Illinois County Selection Map:

Jo Daviess CountyStephenson CountyLake CountyMcHenry CountyWinnebago CountyBoone CountyOgle CountyCarroll CountyCook CountyKane CountyDeKalb CountyDuPage CountyWhiteside CountyLee CountyRock Island CountyWill CountyKendall CountyLa Salle CountyHenry CountyBureau CountyGrundy CountyMercer CountyPutnam CountyKankakee CountyStark CountyKnox CountyMarshall CountyLivingston CountyHenderson CountyWarren CountyIroquois CountyFord CountyPeoria CountyWoodford CountyMcLean CountyTazewell CountyFulton CountyHancock CountyMcDonough CountyVermilion CountyMason CountyChampaign CountyLogan CountySchuyler CountyPiatt CountyDe Witt CountyAdams CountyMenard CountyCass CountyBrown CountyMacon CountySangamon CountyEdgar CountyDouglas CountyMorgan CountyPike CountyChristian CountyScott CountyMoultrie CountyColes CountyShelby CountyGreene CountyMontgomery CountyMacoupin CountyClark CountyCalhoun CountyCumberland CountyJersey CountyFayette CountyEffingham CountyCrawford CountyJasper CountyBond CountyMadison CountyClay CountyLawrence CountyRichland CountyMarion CountyClinton CountySt. Clair CountyWayne CountyWabash CountyEdwards CountyMonroe CountyWashington CountyJefferson CountyWhite CountyHamilton CountyRandolph CountyPerry CountyFranklin CountyJackson CountyGallatin CountySaline CountyWilliamson CountyHardin CountyPope CountyJohnson CountyUnion CountyMassac CountyAlexander CountyPulaski CountyPulaski CountyIllinois map

Illinois has 102 counties.

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