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State, one year

Illinois in 2020

Index change and building permits for the year, with every county.

In 2020 the FHFA house price index for Illinois changed +1.1%, against +3.0% for the United States and +2.6% in 2019.

18,058 housing units were authorised by building permits in the state that year (9,237 single-family), −12.0% on 2019; the national total was 1,471,141.

+1.1%Illinois index, 2019–2020US +3.0%
18,058housing units permitted in 20209,237 single-family
79 of 97counties with a rising indexmedian county +1.6%
1,471,141units permitted nationally in 2020
← 2019Illinois overview2021 →

Counties in 2020

Ranked by the county index change from 2019 to 2020 (FHFA annual county index). Permits are units authorised in 2020; per 1,000 uses the vintage 2025 population.

CountyIndex change 2020Units permittedSingle-familyPer 1,000
Warren County+6.7%220.1
Washington County+5.3%22221.6
Clark County+5.1%220.1
Stephenson County+5.0%13110.3
Bond County+4.6%990.5
Iroquois County+4.6%25251.0
Moultrie County+4.6%20201.4
Hamilton County+4.5%000.0
Knox County+4.5%19160.4
Marion County+4.5%1550.4
Saline County+4.5%000.0
Jefferson County+4.4%660.2
Stark County+4.4%330.6
Carroll County+4.3%34342.2
Schuyler County+4.1%000.0
Shelby County+3.9%50342.4
Whiteside County+3.7%22220.4
Randolph County+3.4%29291.0
Richland County+3.4%110.1
Henderson County+3.3%991.5
Scott County+3.1%000.0
Johnson County+2.7%000.0
Adams County+2.6%66661.0
Grundy County+2.6%1271132.3
Kankakee County+2.6%93910.9
Edgar County+2.4%000.0
Lee County+2.4%25250.8
Tazewell County+2.4%123750.9
Vermilion County+2.4%770.1
Woodford County+2.4%44441.2
Effingham County+2.3%52321.5
Montgomery County+2.3%25250.9
Williamson County+2.3%1781732.6
Madison County+2.2%4424141.7
Douglas County+2.1%24241.2
St. Clair County+2.1%5614072.2
McDonough County+2.0%110.0
McHenry County+2.0%5854951.8
Peoria County+2.0%60600.3
Winnebago County+2.0%1491120.5
Logan County+1.9%770.3
Macon County+1.9%31290.3
Macoupin County+1.9%95732.2
Wabash County+1.8%000.0
White County+1.7%110.1
Boone County+1.6%43390.8
Cumberland County+1.6%110.1
DeKalb County+1.6%152811.5
Fayette County+1.6%330.1
Mercer County+1.6%880.5
Monroe County+1.6%1261103.6
Champaign County+1.5%1,5092567.2
Greene County+1.5%220.2
McLean County+1.5%2651621.5
Jo Daviess County+1.4%37351.7
Kendall County+1.4%5595193.8
Will County+1.3%1,7751,3682.5
Clay County+1.2%550.4
Jersey County+1.2%102574.8
Morgan County+1.2%1860.6
Piatt County+1.2%38362.3
Coles County+1.1%440.1
Kane County+1.1%1,2729282.4
LaSalle County+1.1%93930.9
Rock Island County+1.1%113610.8
Hancock County+1.0%330.2
Sangamon County+1.0%3221841.7
Cook County+0.9%5,5799321.1
DuPage County+0.9%1,6718251.8
Henry County+0.9%22200.5
Brown County+0.8%000.0
Union County+0.8%18181.1
Livingston County+0.7%15120.4
Perry County+0.6%29291.4
Cass County+0.4%880.6
Jackson County+0.4%550.1
Jasper County+0.4%110.1
Lake County+0.4%7805081.1
Menard County+0.2%13131.1
Christian County0.0%13130.4
Clinton County−0.1%1021002.7
De Witt County−0.1%19191.3
Marshall County−0.2%440.3
Edwards County−0.3%000.0
Ogle County−0.4%42400.8
Crawford County−0.7%000.0
Pike County−0.7%23231.6
Franklin County−0.8%12120.3
Ford County−0.9%12120.9
Lawrence County−0.9%56564.1
Gallatin County−1.5%000.0
Bureau County−1.8%99193.0
Fulton County−2.3%38381.2
Massac County−3.8%3162.3
Putnam County−3.8%17173.0
Wayne County−4.1%000.0
Mason County−5.7%660.5

Permits by year, 1995–2025

Housing units authorised in Illinois by year050,000100,0001995: 47,467 units (35,392 single-family, 12,075 in multi-unit buildings)19951996: 49,592 units (35,912 single-family, 13,680 in multi-unit buildings)1997: 46,323 units (32,801 single-family, 13,522 in multi-unit buildings)1998: 47,984 units (36,177 single-family, 11,807 in multi-unit buildings)1999: 53,974 units (39,228 single-family, 14,746 in multi-unit buildings)2000: 51,944 units (37,817 single-family, 14,127 in multi-unit buildings)20002001: 54,839 units (39,362 single-family, 15,477 in multi-unit buildings)2002: 60,971 units (42,545 single-family, 18,426 in multi-unit buildings)2003: 62,211 units (45,379 single-family, 16,832 in multi-unit buildings)2004: 59,753 units (46,207 single-family, 13,546 in multi-unit buildings)2005: 66,942 units (47,705 single-family, 19,237 in multi-unit buildings)20052006: 58,802 units (37,903 single-family, 20,899 in multi-unit buildings)2007: 43,020 units (24,511 single-family, 18,509 in multi-unit buildings)2008: 22,528 units (11,827 single-family, 10,701 in multi-unit buildings)2009: 10,859 units (7,844 single-family, 3,015 in multi-unit buildings)2010: 12,318 units (7,624 single-family, 4,694 in multi-unit buildings)20102011: 11,809 units (6,834 single-family, 4,975 in multi-unit buildings)2012: 13,797 units (8,564 single-family, 5,233 in multi-unit buildings)2013: 15,545 units (9,869 single-family, 5,676 in multi-unit buildings)2014: 20,578 units (10,553 single-family, 10,025 in multi-unit buildings)2015: 19,571 units (10,076 single-family, 9,495 in multi-unit buildings)20152016: 22,603 units (10,187 single-family, 12,416 in multi-unit buildings)2017: 24,992 units (10,181 single-family, 14,811 in multi-unit buildings)2018: 21,510 units (10,041 single-family, 11,469 in multi-unit buildings)2019: 20,524 units (8,745 single-family, 11,779 in multi-unit buildings)2020: 18,058 units (9,237 single-family, 8,821 in multi-unit buildings)20202021: 19,658 units (10,937 single-family, 8,721 in multi-unit buildings)2022: 20,549 units (9,765 single-family, 10,784 in multi-unit buildings)2023: 16,863 units (9,554 single-family, 7,309 in multi-unit buildings)2024: 20,326 units (10,326 single-family, 10,000 in multi-unit buildings)2025: 18,551 units (10,821 single-family, 7,730 in multi-unit buildings)2025

Housing units authorised in Illinois by yearsingle-family2+ unit buildings

Source: Federal Housing Finance Agency annual state and county house price indexes (updated March 31, 2026); Census Bureau Building Permits Survey annual state and county files. Public domain. Methodology.