Census ACS 5-year estimates · 2026

Illinois Income Statistics for 2026

The average income for households in Illinois is $115,638, which is 2% higher than the US average.

The median income for households in Illinois is $83,390, which is 3% higher than the US median.

Illinois has a population-weighted median household income of $89,352 and mean household income of $115,652 across 1,378 ZIP codes — 2% higher than the US average for median income.

Median household income (ZIP-weighted)

$89,352

US ZIP-weighted median: $87,610 · 2% higher than the US average

Mean household income (ZIP-weighted)

$115,652

US ZIP-weighted mean: $113,774 · 1.7% higher than the US average

Per capita income

$46,422

US per capita: $44,688 · 3.9% higher than the US average

Population & households

Population
12,680,629
Households
5,031,211
ZIP codes
1,378

By age of householder

Median household income by age in Illinois

Census ACS table B19049 · 2024 5-year estimates

Under 25
$42,118-7% vs US

Gray bar = US median ($45,332)

25 to 44
$93,980+4% vs US

Gray bar = US median ($90,756)

45 to 64Peak
$101,369+4% vs US

Gray bar = US median ($97,843)

65 and over
$59,361+2% vs US

Gray bar = US median ($58,390)

In Illinois, younger households (householder under 25) report a median income of $42,118. Income peaks for householders aged 45 to 64, at $101,369. Among householders 65 and over, the median falls to $59,361 — a common pattern as people transition from career earnings to retirement income.

Income distribution

How Illinois households are spread across income levels

Census ACS table B19001 · 5,036,449 households · 2024 5-year estimates

Less than $10,000
271,2925%
$10,000 to $14,999
163,4733%
$15,000 to $19,999
142,4923%
$20,000 to $24,999
157,1433%
$25,000 to $29,999
158,0773%
$30,000 to $34,999
160,5113%
$35,000 to $39,999
161,9493%
$40,000 to $44,999
165,1273%
$45,000 to $49,999
160,4283%
$50,000 to $59,999
304,2376%
$60,000 to $74,999
443,4799%
$75,000 to $99,999
636,15813%
$100,000 to $124,999
517,31410%
$125,000 to $149,999
387,8808%
$150,000 to $199,999
510,78210%
$200,000 or moreLargest
696,10714%

Under $50k

31%

$50k–$99k

27%

$100k–$149k

18%

$150k+

24%

Illinois has 5,036,449 households spread across 16 income brackets. The largest share (14%) falls in the $200,000 or more range. Roughly 42% of households earn $100,000 or more per year. About 31% earn less than $50,000.

Richest Illinois ZIP codes

Richest ZIP codes are ranked by mean household income among ZCTAs with at least 500 residents. Census suppresses exact medians above $250,000; mean income avoids ties.

RankZIPCountyPopulationMean incomeMedian income
160043Cook County2,503$486,298$250,001
260022Cook County8,352$430,051$250,001
360093Cook County19,867$401,662$250,001
460521DuPage County18,056$355,281$249,200
560029Cook County518$323,764$242,772
660558Cook County13,446$310,563$230,255
760091Cook County27,333$298,249$189,909
860045Lake County21,074$298,127$233,125
960035Lake County30,398$250,788$168,094
1060015Lake County28,096$249,478$183,125

Hero statistics use official Census ACS state totals (tables B19013 and S1902). Figures in this section are population-weighted aggregates of ZIP Code Tabulation Area (ZCTA) estimates for browsing individual ZIP codes. Page URL: https://resource.skyrocketbpo.com/tools/market-research/us-income-demographics-by-zip-code/illinois

Link to this page

Permanent URL backed by Census ACS data in PocketBase.

Other states