States › Illinois › 2015
In 2015 the FHFA house price index for Illinois changed +3.0%, against +4.4% for the United States and +3.7% in 2014.
19,571 housing units were authorised by building permits in the state that year (10,076 single-family), −4.9% on 2014; the national total was 1,182,582.
+3.0% Illinois index, 2014–2015 US +4.4%
19,571 housing units permitted in 2015 10,076 single-family
73 of 96 counties with a rising index median county +1.7%
1,182,582 units permitted nationally in 2015
Counties in 2015 Ranked by the county index change from 2014 to 2015 (FHFA annual county index). Permits are units authorised in 2015; per 1,000 uses the vintage 2025 population.
County Index change 2015 Units permitted Single-family Per 1,000 Mason County +11.4% 6 6 0.5 Jasper County +11.3% 0 0 0.0 Stark County +10.9% 3 3 0.6 Johnson County +8.4% 0 0 0.0 Christian County +6.3% 27 27 0.8 Clark County +6.1% 12 6 0.8 Logan County +5.8% 8 8 0.3 Warren County +5.7% 9 9 0.6 Schuyler County +5.5% 0 0 0.0 Richland County +5.4% 10 10 0.7 Cass County +4.8% 7 7 0.6 Kane County +4.6% 1,471 1,109 2.8 Boone County +4.5% 12 12 0.2 McHenry County +4.5% 583 337 1.8 Clinton County +4.4% 89 89 2.4 Franklin County +4.2% 13 13 0.4 Jo Daviess County +4.2% 34 34 1.6 Bureau County +3.9% 52 12 1.6 Cook County +3.9% 7,855 1,735 1.5 Saline County +3.9% 0 0 0.0 Menard County +3.8% 26 26 2.2 Whiteside County +3.8% 27 27 0.5 Kendall County +3.7% 178 174 1.2 Fayette County +3.6% 1 1 0.0 Edgar County +3.5% 45 45 2.8 Pike County +3.5% 14 14 1.0 Adams County +3.4% 67 67 1.0 Marion County +3.4% 1 1 0.0 Will County +3.4% 1,200 1,073 1.7 Grundy County +3.3% 188 71 3.5 Lake County +3.1% 643 536 0.9 DeKalb County +2.9% 118 118 1.2 DuPage County +2.9% 1,592 1,077 1.7 Marshall County +2.8% 10 10 0.9 Champaign County +2.4% 1,202 298 5.7 Clay County +2.3% 5 3 0.4 Effingham County +2.3% 55 23 1.6 Madison County +2.3% 389 367 1.5 Greene County +2.2% 28 28 2.5 Knox County +2.2% 19 19 0.4 Sangamon County +2.2% 357 263 1.8 Macoupin County +2.1% 85 85 1.9 Winnebago County +2.1% 122 78 0.4 St. Clair County +2.0% 585 389 2.3 LaSalle County +1.9% 71 69 0.7 Montgomery County +1.8% 27 27 1.0 Monroe County +1.7% 135 133 3.9 Ogle County +1.7% 55 51 1.1 Williamson County +1.7% 99 72 1.5 Kankakee County +1.6% 89 89 0.8 Piatt County +1.5% 26 26 1.5 Washington County +1.5% 19 19 1.4 Jefferson County +1.4% 14 14 0.4 Lee County +1.4% 29 29 0.9 Moultrie County +1.4% 49 31 3.4 Vermilion County +1.4% 10 10 0.1 Perry County +1.3% 33 33 1.6 Brown County +1.2% 0 0 0.0 Ford County +1.2% 7 5 0.5 Crawford County +1.1% 14 14 0.8 Rock Island County +1.1% 190 72 1.3 Edwards County +1.0% 0 0 0.0 Morgan County +1.0% 11 7 0.3 Macon County +0.9% 47 45 0.5 Tazewell County +0.8% 289 219 2.2 Jersey County +0.7% 30 30 1.4 Lawrence County +0.7% 47 47 3.4 Peoria County +0.7% 116 116 0.6 Livingston County +0.6% 18 16 0.5 McLean County +0.4% 368 220 2.1 Carroll County +0.3% 16 16 1.0 De Witt County +0.3% 28 25 1.9 White County +0.2% 5 5 0.4 Coles County 0.0% 13 8 0.3 Iroquois County −0.1% 22 22 0.8 Hancock County −0.5% 5 5 0.3 McDonough County −0.5% 4 4 0.2 Henry County −0.7% 36 31 0.7 Mercer County −0.8% 49 9 3.2 Shelby County −0.9% 38 38 1.8 Stephenson County −1.0% 11 11 0.3 Woodford County −1.2% 84 76 2.2 Union County −1.3% 17 17 1.0 Jackson County −1.4% 38 6 0.7 Fulton County −1.5% 55 55 1.7 Randolph County −1.7% 21 21 0.7 Scott County −2.3% 0 0 0.0 Bond County −2.5% 113 53 6.7 Douglas County −3.2% 27 25 1.4 Wabash County −3.4% 3 3 0.3 Cumberland County −3.8% 2 2 0.2 Putnam County −3.9% 15 15 2.7 Massac County −4.4% 4 1 0.3 Wayne County −6.9% 2 2 0.1 Henderson County −7.6% 9 9 1.5 Gallatin County −9.7% 0 0 0.0 Hamilton County — 0 0 0.0
Permits by year, 1995–2025 Housing units authorised in Illinois by year 0 50,000 100,000 1995: 47,467 units (35,392 single-family, 12,075 in multi-unit buildings) 1995 1996: 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) 2000 2001: 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) 2005 2006: 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) 2010 2011: 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) 2015 2016: 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) 2020 2021: 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 year single-family 2+ 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 .