Zip Code ReportIllinois ZIP codes
All 1,544 Illinois ZIP codes, grouped by county. Pick a county to see its ZIP codes — each one opens a free neighborhood report.
1,544 ZIP codes · 102 counties · IL
Illinois at a glance
Statewide figuresPopulation
12,694,798
Census ACS 5-year estimate · 2024
Median household income
$83,390
Census ACS 5-year estimate · 2024
Median home value
$263,300
Census estimate — owner-reported, not a market appraisal · 2024
Average rent
$1,274 / mo
Census estimate — ACS gross rent · 2024
Unemployment rate
4.7%
BLS Local Area Unemployment Statistics · 2026
Cost of living
99.5
Modeled index, US average = 100 · 2024
Counties
102 countiesAdams County17Alexander County7Bond County7Boone County5Brown County3Bureau County24Calhoun County8Carroll County7Cass County6Champaign County33Christian County13Clark County7Clay County6Clinton County12Coles County6Cook County208Crawford County7Cumberland County6DeKalb County13De Witt County8Douglas County9DuPage County47Edgar County8Edwards County4Effingham County9Fayette County8Ford County9Franklin County17Fulton County20Gallatin County6Greene County10Grundy County9Hamilton County4Hancock County16Hardin County4Henderson County8Henry County16Iroquois County23Jackson County15Jasper County7Jefferson County11Jersey County6Jo Daviess County9Johnson County9Kane County25Kankakee County17Kendall County7Knox County17Lake County33LaSalle County26Lawrence County4Lee County14Livingston County17Logan County14Macon County18Macoupin County20Madison County28Marion County11Marshall County9Mason County9Massac County4McDonough County11McHenry County19McLean County31Menard County6Mercer County11Monroe County7Montgomery County17Morgan County11Moultrie County5Ogle County16Peoria County44Perry County5Piatt County10Pike County15Pope County2Pulaski County9Putnam County7Randolph County15Richland County6Rock Island County21Saline County7Sangamon County50Schuyler County6Scott County4Shelby County13Stark County5St. Clair County30Stephenson County14Tazewell County18Union County7Vermilion County24Wabash County4Warren County9Washington County10Wayne County12White County10Whiteside County12Will County32Williamson County11Winnebago County27Woodford County11