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State, one year

Illinois in 2017

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

In 2017 the FHFA house price index for Illinois changed +2.6%, against +5.4% for the United States and +2.8% in 2016.

24,992 housing units were authorised by building permits in the state that year (10,181 single-family), +10.6% on 2016; the national total was 1,281,977.

+2.6%Illinois index, 2016–2017US +5.4%
24,992housing units permitted in 201710,181 single-family
67 of 96counties with a rising indexmedian county +1.5%
1,281,977units permitted nationally in 2017
← 2016Illinois overview2018 →

Counties in 2017

Ranked by the county index change from 2016 to 2017 (FHFA annual county index). Permits are units authorised in 2017; per 1,000 uses the vintage 2025 population.

CountyIndex change 2017Units permittedSingle-familyPer 1,000
Scott County+8.0%000.0
Brown County+7.3%000.0
Union County+6.7%17171.0
Franklin County+5.6%21180.6
Boone County+5.2%40400.7
Greene County+5.1%330.3
Kendall County+5.0%2992362.1
McHenry County+5.0%4863041.5
Stark County+4.9%881.5
DeKalb County+4.8%102901.0
Jasper County+4.8%110.1
Lawrence County+4.6%51513.7
Washington County+4.6%23231.7
Christian County+4.3%25250.7
De Witt County+4.3%16161.1
Kane County+4.0%1,9869693.8
Pike County+4.0%21211.5
Will County+4.0%1,3871,2191.9
Clark County+3.9%2061.3
St. Clair County+3.9%5384642.1
Bureau County+3.8%20200.6
Winnebago County+3.8%1951880.7
Perry County+3.7%31311.5
Crawford County+3.6%770.4
Carroll County+3.5%18181.2
Ogle County+3.4%71651.4
DuPage County+3.3%1,9499882.1
Moultrie County+3.3%55333.8
Cook County+3.2%11,5951,7072.2
Grundy County+3.1%203703.8
Monroe County+2.8%2131576.1
Livingston County+2.7%40201.1
Macoupin County+2.6%69691.6
Piatt County+2.5%38382.3
Effingham County+2.3%42361.2
Ford County+2.3%24161.8
Madison County+2.3%4494101.7
Hancock County+2.2%550.3
Mercer County+2.2%880.5
Richland County+2.2%330.2
Adams County+2.1%78621.2
Montgomery County+2.1%18180.6
Lee County+2.0%26260.8
Clinton County+1.9%86842.3
Douglas County+1.9%25251.3
Fayette County+1.8%110.0
Kankakee County+1.7%198881.9
Lake County+1.7%1,7136972.4
Rock Island County+1.5%116850.8
Cumberland County+1.4%000.0
Logan County+1.4%770.3
Jersey County+1.3%30301.4
Jo Daviess County+1.3%37371.7
Vermilion County+1.1%104541.5
Bond County+1.0%11110.6
LaSalle County+1.0%103941.0
Shelby County+1.0%26261.3
Champaign County+0.9%7763543.7
Henry County+0.9%33290.7
Johnson County+0.7%000.0
Menard County+0.6%21211.8
Sangamon County+0.6%3011891.6
McLean County+0.4%3701982.2
Fulton County+0.3%60391.8
Whiteside County+0.3%67271.2
Williamson County+0.2%118771.8
Stephenson County+0.1%14140.3
Macon County0.0%39390.4
Warren County−0.1%880.5
Knox County−0.3%24240.5
Randolph County−0.3%31311.0
Woodford County−0.4%71711.9
Tazewell County−0.5%1231130.9
Putnam County−0.7%15152.7
Coles County−0.8%15110.3
McDonough County−1.1%110.0
Jefferson County−1.2%4891.3
Morgan County−1.5%550.2
Edgar County−1.9%110.1
Schuyler County−2.2%000.0
White County−2.2%440.3
Clay County−2.4%990.7
Iroquois County−2.6%28281.1
Mason County−2.7%440.3
Peoria County−2.9%46460.3
Marion County−3.0%13130.4
Marshall County−3.2%990.8
Jackson County−3.4%1260.2
Wayne County−4.2%800.5
Wabash County−5.0%440.4
Edwards County−5.5%000.0
Gallatin County−6.0%000.0
Massac County−6.4%2121.6
Saline County−6.5%000.0
Cass County−9.4%770.6
Henderson County−12.9%220.3
Hamilton County—000.0

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.