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county benchmark · Illinois

Median household income, 2017-2021

Across 102 counties in Illinois. Every rank carries its margin of error.

COUNTIES: 102PERIOD: 2017-2021Every figure source-linked

Cite: FACTANKER, https://factanker.com/counties/state-il/median-household-income/2021

Distribution

PercentileValue
10th percentile$49,125
25th$53,830
Median$58,780
75th$65,948
90th percentile$76,317

Highest counties

Kendall County leads reliably only from rank 4 downwards. Its estimate range overlaps those of the ranks above 4, which therefore cannot be separated from it at 90 % confidence.

RankCountyEstimateRange (90 %)Source
1Kendall County$101,816$97,927 – $105,705evidence →
2DuPage County$100,292$98,999 – $101,585evidence →
3Lake County$97,127$95,514 – $98,740evidence →
4Will County$95,751$94,537 – $96,965evidence →
5McHenry County$93,801$91,422 – $96,180evidence →
6Monroe County$92,950$88,792 – $97,108evidence →
7Kane County$88,935$87,176 – $90,694evidence →
8Grundy County$81,764$77,919 – $85,609evidence →
9Menard County$79,743$75,800 – $83,686evidence →
10Piatt County$77,559$71,740 – $83,378evidence →
11Woodford County$76,486$72,638 – $80,334evidence →
12Calhoun County$74,792$68,745 – $80,839evidence →
13Boone County$74,076$70,197 – $77,955evidence →
14Clinton County$72,468$69,080 – $75,856evidence →
15Cook County$72,121$71,598 – $72,644evidence →
16Jersey County$71,655$65,516 – $77,794evidence →
17McLean County$70,339$68,196 – $72,482evidence →
18Tazewell County$68,860$67,506 – $70,214evidence →
19Ogle County$67,534$64,656 – $70,412evidence →
20Putnam County$67,419$61,984 – $72,854evidence →

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