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Which counties in Illinois are building the most new homes?

Kendall County (5.0 per 1,000 residents), Lawrence County (4.9 per 1,000 residents) and McHenry County (4.4 per 1,000 residents) permitted the most new homes for their size in Illinois in 2025.

Data as of 2025 · updated

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All 98 ranked Illinois counties

Illinois counties ranked by new homes permitted per 1,000 residents
RankCountyPer 1,000 residents, 2025Homes permitted 2025Residents
1Kendall County5.0733145,470
2Lawrence County4.96713,790
3McHenry County4.41,393317,751
4Champaign County4.1860209,972
5Kane County3.11,629525,757
6Will County2.81,993712,253
7DeKalb County2.6264101,835
8Logan County2.46427,182
9Piatt County2.33916,791
10Shelby County2.24620,576
11Grundy County2.111454,052
12Williamson County2.114167,225
13Lake County2.01,468719,339
14Moultrie County2.02914,371
15Jo Daviess County1.94221,594
16Monroe County1.96534,840
17St. Clair County1.8463250,708
18Jersey County1.83921,160
19Christian County1.86033,443
20Ogle County1.78751,399
21Madison County1.7435263,110
22Macoupin County1.67043,748
23McLean County1.6269171,419
24Bond County1.52516,959
25Effingham County1.45034,519
26Livingston County1.45035,057
27Douglas County1.42819,880
28Clinton County1.45137,128
29DuPage County1.41,265934,298
30Rock Island County1.3187141,869
31Boone County1.36853,568
32Mercer County1.21815,229
33Carroll County1.21815,419
34Calhoun County1.254,300
35Sangamon County1.2224194,170
36Perry County1.12320,160
37Washington County1.11513,564
38Brown County1.176,401
39Winnebago County1.1309283,674
40Kankakee County1.1113105,525
41Putnam County1.165,619
42Ford County1.11413,216
43Woodford County1.03938,111
44Lee County1.03232,914
45Cook County1.04,9695,194,625
46Menard County0.91111,863
47Tazewell County0.9118130,049
48De Witt County0.91315,118
49Pike County0.81114,231
50Henderson County0.745,984
51Jasper County0.769,032
52Wabash County0.6710,907
53Pulaski County0.634,820
54Union County0.61016,656
55Clark County0.6915,114
56Massac County0.6813,502
57Adams County0.63664,267
58LaSalle County0.660107,773
59Fulton County0.51832,901
60Iroquois County0.51426,150
61Richland County0.5815,219
62Franklin County0.51936,916
63Bureau County0.51632,510
64Mason County0.5612,411
65Crawford County0.5918,648
66Morgan County0.51532,515
67Whiteside County0.42354,121
68Peoria County0.473178,553
69Montgomery County0.41128,076
70Macon County0.43899,300
71Henry County0.41848,095
72Coles County0.31646,607
73Jefferson County0.31236,147
74Marion County0.31236,382
75Stephenson County0.31443,220
76Pope County0.313,672
77Marshall County0.3311,473
78Warren County0.2416,222
79Randolph County0.2729,921
80Stark County0.215,319
81Edgar County0.2316,323
82Greene County0.2211,313
83Cass County0.2212,463
84Clay County0.2212,793
85Fayette County0.1320,790
86Vermilion County0.11071,259
87Jackson County0.1452,501
88White County0.1113,250
89Wayne County0.1115,882
90Hancock County0.1116,803
91McDonough County0.0125,916
92Knox County0.0147,767
93Schuyler County0.006,657
94Saline County0.0022,772
95Johnson County0.0013,363
96Hardin County0.003,588
97Cumberland County0.0010,208
98Alexander County0.004,570

4 of 102 Illinois counties are not ranked on this measure.

How this is ranked

Housing units authorized by building permits in 2025 (Census Bureau Building Permits Survey), per 1,000 residents. Permits count homes authorized, not finished. Counties with fewer than 1,000 residents, or without a figure for the same period as the others, are not ranked.

Source: U.S. Census Bureau, Building Permits Survey. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how ranks and figures are built. More on every layer: data sources and licences.

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Questions

Which county in Illinois is building the most new homes?

Kendall County: 5.0 per 1,000 residents, ahead of Lawrence County (4.9 per 1,000 residents) and McHenry County (4.4 per 1,000 residents), of 98 Illinois counties ranked.

How is this ranking calculated?

Housing units authorized by building permits in 2025 (Census Bureau Building Permits Survey), per 1,000 residents. Permits count homes authorized, not finished. Counties with fewer than 1,000 residents, or without a figure for the same period as the others, are not ranked.

More county rankings for Illinois

New homes permitted per 1,000 residents in other states

Across the U.S.