This is a list of traditional windmills in the American state of Illinois.
Windmills having coordinates below can be seen together in "Map all coordinates using OpenSourceMap" at right.
| Windmill | Location | Type | Built | Notes | Photograph | 
|---|---|---|---|---|---|
| Heidemann Mill Old Mill | Addison | Smock | 1868 [1] | Burnt down 1958 [1] | |
| Siedhoff Mill Old Dutch Mill Barrington Roller Flour Mill | Barrington | 1867 [2] | Burnt down 5 August 1884 [2] | ||
| Depner Mill [3] | Beecher | ||||
| Franzen Mill Old Flax Mill | Bensenville | 1850 [4] | |||
| Schmidt Brothers Mill Benson Mill | Benson | Smock | 1872 [5] | ||
| Jansonnist Mill | Bishop Hill | 1848 [6] | |||
| Holstein Mill | Bloomingdale | Smock | 1872 [7] | Wrecked by tornado 1899, later demolished. [7] | |
| Gridley & Covel Mill [8] | Bloomington | ||||
| Jung Mill | Broadview | Smock | 1884 [9] | Standing 1884 [9] | |
| Clark Mill | Burnt Prairie | 1837 [10] | Standing 1837 [10] | ||
| Blooker Mill, World's Columbian Exhibition | Chicago | Smock | 1893 [11] | ||
| Derelict mill, Worlds Columbian Exhibition | Chicago | Smock | 1893 | Exhibited with an Aermotor windpump erected on top [11] | |
| Old Dutch Mill, Century of Progress Exhibition | Chicago | Tower | 1933 [12] | 1934 [12] | |
| Mates Mill, Haymarket | Chicago | Moved at unknown date to Milwaukee Avenue. [13] | |||
| Gray Mill, Milwaukee Ave | Chicago | Demolished 1910. [13] | |||
| Vanden Berg Mill [14] | Chicago | ||||
| McKay Mill | Chicago | 1851 [15] | Standing 1851. [15] | ||
| Jefferson Mill | Des Plaines | 1841 [16] | |||
| Fischer Mill Old Dutch Mill Mount Emblem Cemetery Mill Ehlers' Mill | Elmhurst 41°55′46″N87°55′24″W / 41.92944°N 87.92333°W | Smock | 1867 [17] | Closed to the public |   | 
| Lalande Mill | Fort de Chartres | 1731 [18] | |||
| Lahman Mill | Franklin Grove | Smock | 1874 [19] | Demolished 1900 [19] | |
| De Immigrant | Fulton 41°52′2″N90°10′7″W / 41.86722°N 90.16861°W | Smock | 2000 [20] | Open and operational |   | 
| Fabyan Mill | Geneva 41°52′17″N88°18′21″W / 41.87139°N 88.30583°W | Smock | 1915 [21] | Tallest windmill in Illinois, open and operational. [21] |  | 
| Glen Ellyn Mill | Glen Ellyn | Burnt down prior to 1855. [22] | |||
| Prairie Mills | Golden 40°6′22.2″N91°0′56″W / 40.106167°N 91.01556°W | Smock | 1873 [23] | Open and operational | |
| Franzen's Old Mill | Golden | Smock | 1854 [24] | Demolished 1934 [24] | |
| Gronewold Mill | Golden | 1865 [25] | |||
| Franzen Brothers Mill | Gridley | 1872 [26] | |||
| Rinn Mill Holland Mill | Hampshire | Smock | 1875 [27] | 1883 [27] | |
| Swearingen Windmill | Industry | 1927-1930? [28] | Never functional. Built as restaurant attraction in the late 1920s. Still standing. | ||
| Jesuit Mill | Kaskaskia | 1711 [29] | |||
| Milburn Mill | Kentucky | Wrecked by a storm prior to 1789 [30] | |||
| Lake Zurich Mill | Lake Zurich | 1850s [31] | Demolished in 1858 [31] | ||
| Matteson Mill | Matteson | Smock | 1870s [32] | ||
| Schroeder Mill Monee Mill | Monee | Smock | Standing in 1910 [33] | ||
| Sauer Mill | Nebraska Township | 1869 [26] | Moved to Gridley 1872 [26] | ||
| Jahnke Mill | Palatine | 1879 [34] | Standing in 1894 [34] | ||
| Du Sable Mill | Peoria | 1691 [35] | Standing in 1773 [35] | ||
| Maillet Mill | Peoria | 1778 [36] | |||
| Peotone Mill | Peotone 41°19′55″N87°47′49″W / 41.33194°N 87.79694°W | Smock | 1872 | Closed, awaiting restoration |   | 
| Brand Mill | Polo | 1850s [37] | Damaged by a tornado, date unknown [37] | ||
| St Joseph | |||||
| Brockman Mill Des Plaines Mill Park Ridge Mill Old Dutch Mill | Schiller Park | Smock | 1870 [39] | Demolished 1920s [39] | |
| Somonauk Mill [40] | Somonauk | Smock | |||
| Bartels Mill Old Mill New Bremen Mill | Tinley Park | Smock | 1873 [41] | Demolished 1911 [41] | |
| Phillipe Mill [42] | Urbana | ||||
| Old Mill Farm Mill [43] | Winnetka | Smock | |||
| York Township | Smock | 1875 [21] | Dismantled 1914, re-erected at Geneva 1915 [21] | ||
| Unknown location | Smock [44] | ||||
Known building dates are in bold text. Non-bold text denotes first recorded date. Iron windpumps are outside the scope of this list unless listed on the National Register of Historic Places.