Illinois Income Limits by County, 2026

HUD's area median family income and the low-income limit (80% of median, family of four) for all 102 Illinois counties, highest median first. These limits gate most down payment assistance and affordable mortgage programs.

CountyArea median incomeLow income (80%), 4 peopleVery low (50%), 4 people
Kendall County$135,800$106,800$67,900
Cook County$121,500$97,200$60,750
DuPage County$121,500$97,200$60,750
Kane County$121,500$97,200$60,750
Lake County$121,500$97,200$60,750
McHenry County$121,500$97,200$60,750
Will County$121,500$97,200$60,750
McLean County$117,000$93,600$58,500
Grundy County$116,100$92,900$58,050
Menard County$114,900$91,900$57,450
Sangamon County$114,900$91,900$57,450
Champaign County$114,300$88,700$55,450
Piatt County$114,300$88,700$55,450
Calhoun County$113,500$90,800$56,750
Clinton County$113,500$90,800$56,750
Jersey County$113,500$90,800$56,750
Madison County$113,500$90,800$56,750
Monroe County$113,500$90,800$56,750
St. Clair County$113,500$90,800$56,750
DeKalb County$112,500$88,950$55,600
Marshall County$106,100$84,900$53,050
Peoria County$106,100$84,900$53,050
Stark County$106,100$84,900$53,050
Tazewell County$106,100$84,900$53,050
Woodford County$106,100$84,900$53,050
LaSalle County$105,200$80,050$50,050
Effingham County$104,900$83,900$52,450
De Witt County$104,100$83,300$52,050
Bond County$102,700$82,150$51,350
Kankakee County$102,200$80,200$50,150
Ogle County$101,200$80,950$50,600
Cumberland County$101,100$80,900$50,550
Jo Daviess County$99,600$79,700$49,800
Moultrie County$99,400$79,500$49,700
Washington County$99,400$79,500$49,700
Crawford County$99,000$79,200$49,500
Jasper County$98,800$79,050$49,400
Douglas County$97,900$78,300$48,950
Henry County$97,500$78,000$48,750
Mercer County$97,500$78,000$48,750
Rock Island County$97,500$78,000$48,750
Livingston County$96,500$77,200$48,250
Scott County$96,500$77,200$48,250
Macoupin County$96,200$76,950$48,100
Macon County$95,100$76,100$47,550
Williamson County$95,000$76,000$47,500
Randolph County$93,900$75,100$46,950
Montgomery County$93,600$74,900$46,800
Putnam County$93,300$76,650$47,900
Clark County$93,200$74,550$46,600
Lee County$93,100$74,500$46,550
Logan County$93,000$74,400$46,500
Ford County$92,500$74,000$46,250
Hamilton County$92,100$73,700$46,050
Bureau County$91,900$73,500$45,950
Morgan County$91,500$73,200$45,750
Shelby County$91,400$73,100$45,700
Adams County$91,100$72,900$45,550
Iroquois County$91,100$72,900$45,550
Whiteside County$90,900$72,700$45,450
Christian County$90,600$72,500$45,300
Hancock County$90,300$72,250$45,150
Alexander County$90,200$72,150$45,100
Brown County$90,000$72,000$45,000
Union County$89,500$71,750$44,850
Boone County$89,400$71,750$44,850
Winnebago County$89,400$71,750$44,850
Wabash County$88,100$71,750$44,850
Warren County$88,100$71,750$44,850
Schuyler County$87,800$71,750$44,850
Knox County$86,900$71,750$44,850
Stephenson County$86,300$71,750$44,850
Greene County$85,700$71,750$44,850
Pike County$85,700$71,750$44,850
Jackson County$85,200$71,750$44,850
Fulton County$84,900$71,750$44,850
Henderson County$84,900$71,750$44,850
McDonough County$84,900$71,750$44,850
Massac County$84,400$71,750$44,850
Richland County$84,400$71,750$44,850
Mason County$84,100$71,750$44,850
Johnson County$83,800$71,750$44,850
Cass County$83,400$71,750$44,850
Jefferson County$83,300$71,750$44,850
Pope County$83,300$71,750$44,850
Carroll County$82,900$71,750$44,850
Perry County$82,900$71,750$44,850
Vermilion County$82,900$71,750$44,850
Fayette County$82,500$71,750$44,850
Marion County$81,500$71,750$44,850
Lawrence County$81,400$71,750$44,850
Edgar County$80,300$71,750$44,850
Gallatin County$79,500$71,750$44,850
Wayne County$78,700$71,750$44,850
Edwards County$78,500$71,750$44,850
Coles County$78,300$71,750$44,850
Clay County$77,900$71,750$44,850
White County$77,300$71,750$44,850
Franklin County$75,100$71,750$44,850
Saline County$75,000$71,750$44,850
Hardin County$72,700$71,750$44,850
Pulaski County$65,900$71,750$44,850

Sources

Figures are computed from the documents above and rounded to the dollar. All sources.

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