2025

Counties in Illinois ranked by Non-Hispanic White Population

This list ranks the 102 counties in Illinois based on their Non-Hispanic White population, as estimated by the United States Census Bureau. It also highlights population changes in these counties over the past five years.
Updated Feb 13, 2025

Top 5 counties with the largest Non-Hispanic White population in Illinois

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  • 1
    Cook County
    Non-Hispanic White population in Cook County is 2,102,352
    36.28% of Cook County population is Non-Hispanic White
  • 2
    DuPage County
    Non-Hispanic White population in DuPage County is 585,489
    57.52% of DuPage County population is Non-Hispanic White
  • 3
    Will County
    Non-Hispanic White population in Will County is 417,514
    54.10% of Will County population is Non-Hispanic White
  • 4
    Lake County
    Non-Hispanic White population in Lake County is 406,806
    50.94% of Lake County population is Non-Hispanic White
  • 5
    Kane County
    Non-Hispanic White population in Kane County is 282,290
    47.40% of Kane County population is Non-Hispanic White

List of 102 counties in Illinois by Non-Hispanic White Population

View Methodology
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Rank by Non-Hispanic White Population
County
Non-Hispanic White Population
% of Total County Population
% of Total Illinois Non-Hispanic White Population
5 Year Rank Trend
1 Cook County 2,102,352 36.28% 28.19%
2 DuPage County 585,489 57.52% 7.85%
3 Will County 417,514 54.10% 5.60%
4 Lake County 406,806 50.94% 5.46%
5 Kane County 282,290 47.40% 3.79%
6 McHenry County 239,568 69.89% 3.21%
7 Madison County 218,003 77.99% 2.92%
8 183,505 59.01% 2.46%
9 152,464 74.01% 2.04%
10 151,513 55.21% 2.03%
11 131,654 72.81% 1.77%
12 131,146 58.98% 1.76%
13 120,850 89.68% 1.62%
14 120,556 62.46% 1.62%
15 97,940 63.00% 1.31%
16 90,539 78.59% 1.21%
17 85,601 55.69% 1.15%
18 75,859 69.91% 1.02%
19 73,563 64.65% 0.99%
20 72,768 66.39% 0.98%
21 59,028 83.79% 0.79%
22 58,858 86.42% 0.79%
23 56,451 73.87% 0.76%
24 45,340 75.48% 0.61%
25 44,096 77.84% 0.59%
26 43,162 77.55% 0.58%
27 42,722 82.02% 0.57%
28 42,016 91.33% 0.56%
29 41,355 85.25% 0.55%
30 39,853 76.19% 0.53%
31 38,046 68.31% 0.51%
32 36,748 62.72% 0.49%
33 36,064 90.71% 0.48%
34 35,470 90.59% 0.48%
35 35,218 74.46% 0.47%
36 33,408 86.51% 0.45%
37 33,380 86.55% 0.45%
38 33,313 93.38% 0.45%
39 32,634 92.85% 0.44%
40 31,467 85.03% 0.42%
41 31,012 78.80% 0.42%
42 30,797 89.01% 0.41%
43 30,643 89.31% 0.41%
44 28,727 79.04% 0.39%
45 28,576 83.40% 0.38%
46 28,194 80.67% 0.38%
47 25,871 83.37% 0.35%
48 25,835 89.39% 0.35%
49 24,101 82.37% 0.32%
50 23,491 83.31% 0.32%
51 23,245 82.52% 0.31%
52 21,436 88.38% 0.29%
53 20,265 91.87% 0.27%
54 20,210 88.39% 0.27%
55 20,095 94.38% 0.27%
56 18,947 83.61% 0.25%
57 17,785 82.46% 0.24%
58 17,313 83.13% 0.23%
59 16,823 86.96% 0.23%
60 16,485 91.89% 0.22%
61 15,991 94.03% 0.21%
62 15,881 92.88% 0.21%
63 15,311 93.74% 0.21%
64 15,297 83.42% 0.21%
65 14,680 90.00% 0.20%
66 14,649 92.81% 0.20%
67 14,606 90.38% 0.20%
68 14,414 89.81% 0.19%
69 14,365 84.12% 0.19%
70 13,887 93.25% 0.19%
71 13,843 93.69% 0.19%
72 13,813 85.15% 0.19%
73 13,544 78.69% 0.18%
74 13,130 93.61% 0.18%
75 13,005 92.27% 0.17%
76 12,780 79.40% 0.17%
77 12,520 92.06% 0.17%
78 12,299 93.20% 0.16%
79 12,129 86.30% 0.16%
80 12,103 82.46% 0.16%
81 11,567 91.07% 0.16%
82 11,362 93.65% 0.15%
83 10,821 88.49% 0.15%
84 10,813 74.02% 0.15%
85 10,499 90.47% 0.14%
86 9,958 92.27% 0.13%
87 9,127 65.78% 0.12%
88 8,959 94.89% 0.12%
89 7,566 92.98% 0.10%
90 6,188 88.88% 0.08%
91 5,913 91.25% 0.08%
92 5,812 90.94% 0.08%
93 5,060 87.42% 0.07%
94 4,912 88.49% 0.07%
95 4,739 72.56% 0.06%
96 4,637 94.29% 0.06%
97 4,629 92.84% 0.06%
98 4,179 91.40% 0.06%
99 3,463 93.65% 0.05%
100 3,350 86.18% 0.04%
101 3,184 60.75% 0.04%
102 3,130 58.97% 0.04%

Methodology

This ranking list is based on data from the American Community Survey (ACS) 5-Year Estimates, conducted by the U.S. Census Bureau. The ACS is one of the most reliable sources for understanding population trends across different locations, and it provides estimates for various racial and ethnic groups at city, county, state and all geography levels down to the Census block group.
This list ranks counties in Illinois by their Non-Hispanic White population, using the most recent ACS data available.

How the Census Defines Non-Hispanic White Population

The U.S. Census Bureau allows people to self-identify their race, meaning individuals can choose one or more racial categories when responding to the survey. In this ranking, we include everyone who identifies as Non-Hispanic White, whether alone or in combination with another race.
Here are a few important things to know about how race is reported:
  • Some people identify as Non-Hispanic White alone, while others identify as Non-Hispanic White along with another race (such as Non-Hispanic White and White).
  • Hispanic / Latino origin is reported separately from race, so someone can be both Hispanic and Non-Hispanic White .
  • We’ve used the “Non-Hispanic White alone or in combination” category unless noted otherwise, which gives a broader picture of the Non-Hispanic White population in each area.

How We Ranked the Data

This ranking is based on the total number of people who identified as Non-Hispanic White alone or in combination in counties. To provide additional context, we’ve also included two key percentages:
  1. % of Total County Population – This shows what percentage of the total state population identifies as Non-Hispanic White .
  2. % of Total Illinois Non-Hispanic White Population – This tells us how much of the entire U.S. Non-Hispanic White population lives in that state.
To keep things simple, all population numbers have been rounded to the nearest whole number, and percentages are rounded to one decimal place. Because of rounding, some percentages may not add up to exactly 100%.

Things to Keep in Mind

Like all survey-based data, ACS estimates come with some limitations. Here are a few things to be aware of:
  • In places with very small Non-Hispanic White populations, the numbers may not be reported at all due to privacy protections or sampling variability in the survey.
  • Since the ACS is based on a sample, the numbers are estimates, not exact counts. That means they may slightly differ from other sources like the decennial U.S. Census.
  • Counties that don’t have any reported Non-Hispanic White population are not included in the ranking but are listed separately below for reference.
This ranking is meant to provide a clear, data-driven look at where Non-Hispanic White populations are most concentrated while keeping the numbers easy to understand.

Sources

U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.