IL / jurisdiction index
Tax assessor records in Illinois
Choose one of 102 counties and county equivalents. The task stays fixed while the source plan narrows to the county-equivalent level.
102county-equivalent routes
55,514land sq mi represented
ILCensus / postal code
Geographic names and measurements come from the 2025 Census Gazetteer. A representative coordinate identifies the geography, not a courthouse or records office.
County signal map
Select the record jurisdiction.
001Adams CountyGEOID 17001↗002Alexander CountyGEOID 17003↗003Bond CountyGEOID 17005↗004Boone CountyGEOID 17007↗005Brown CountyGEOID 17009↗006Bureau CountyGEOID 17011↗007Calhoun CountyGEOID 17013↗008Carroll CountyGEOID 17015↗009Cass CountyGEOID 17017↗010Champaign CountyGEOID 17019↗011Christian CountyGEOID 17021↗012Clark CountyGEOID 17023↗013Clay CountyGEOID 17025↗014Clinton CountyGEOID 17027↗015Coles CountyGEOID 17029↗016Cook CountyGEOID 17031↗017Crawford CountyGEOID 17033↗018Cumberland CountyGEOID 17035↗019DeKalb CountyGEOID 17037↗020De Witt CountyGEOID 17039↗021Douglas CountyGEOID 17041↗022DuPage CountyGEOID 17043↗023Edgar CountyGEOID 17045↗024Edwards CountyGEOID 17047↗025Effingham CountyGEOID 17049↗026Fayette CountyGEOID 17051↗027Ford CountyGEOID 17053↗028Franklin CountyGEOID 17055↗029Fulton CountyGEOID 17057↗030Gallatin CountyGEOID 17059↗031Greene CountyGEOID 17061↗032Grundy CountyGEOID 17063↗033Hamilton CountyGEOID 17065↗034Hancock CountyGEOID 17067↗035Hardin CountyGEOID 17069↗036Henderson CountyGEOID 17071↗037Henry CountyGEOID 17073↗038Iroquois CountyGEOID 17075↗039Jackson CountyGEOID 17077↗040Jasper CountyGEOID 17079↗041Jefferson CountyGEOID 17081↗042Jersey CountyGEOID 17083↗043Jo Daviess CountyGEOID 17085↗044Johnson CountyGEOID 17087↗045Kane CountyGEOID 17089↗046Kankakee CountyGEOID 17091↗047Kendall CountyGEOID 17093↗048Knox CountyGEOID 17095↗049Lake CountyGEOID 17097↗050LaSalle CountyGEOID 17099↗051Lawrence CountyGEOID 17101↗052Lee CountyGEOID 17103↗053Livingston CountyGEOID 17105↗054Logan CountyGEOID 17107↗055McDonough CountyGEOID 17109↗056McHenry CountyGEOID 17111↗057McLean CountyGEOID 17113↗058Macon CountyGEOID 17115↗059Macoupin CountyGEOID 17117↗060Madison CountyGEOID 17119↗061Marion CountyGEOID 17121↗062Marshall CountyGEOID 17123↗063Mason CountyGEOID 17125↗064Massac CountyGEOID 17127↗065Menard CountyGEOID 17129↗066Mercer CountyGEOID 17131↗067Monroe CountyGEOID 17133↗068Montgomery CountyGEOID 17135↗069Morgan CountyGEOID 17137↗070Moultrie CountyGEOID 17139↗071Ogle CountyGEOID 17141↗072Peoria CountyGEOID 17143↗073Perry CountyGEOID 17145↗074Piatt CountyGEOID 17147↗075Pike CountyGEOID 17149↗076Pope CountyGEOID 17151↗077Pulaski CountyGEOID 17153↗078Putnam CountyGEOID 17155↗079Randolph CountyGEOID 17157↗080Richland CountyGEOID 17159↗081Rock Island CountyGEOID 17161↗082St. Clair CountyGEOID 17163↗083Saline CountyGEOID 17165↗084Sangamon CountyGEOID 17167↗085Schuyler CountyGEOID 17169↗086Scott CountyGEOID 17171↗087Shelby CountyGEOID 17173↗088Stark CountyGEOID 17175↗089Stephenson CountyGEOID 17177↗090Tazewell CountyGEOID 17179↗091Union CountyGEOID 17181↗092Vermilion CountyGEOID 17183↗093Wabash CountyGEOID 17185↗094Warren CountyGEOID 17187↗095Washington CountyGEOID 17189↗096Wayne CountyGEOID 17191↗097White CountyGEOID 17193↗098Whiteside CountyGEOID 17195↗099Will CountyGEOID 17197↗100Williamson CountyGEOID 17199↗101Winnebago CountyGEOID 17201↗102Woodford CountyGEOID 17203↗
No county-equivalent name matches this filter.
Source split
One task can cross more than one office.
Assessors value property while treasurers, collectors, or finance offices may maintain billing and payment status.
Assessed value and tax status are time-specific administrative records, not appraisals or guarantees of title.