Category:Historic districts in Illinois

D

• [+] Dundee Township Historic District (15 C, 3 F)

E

• [+] East Grove Street Historic District (10 F)
• [+] Elgin Historic District (3 C, 2 F)

F

• [+] Frank Lloyd Wright-Prairie School of Architecture Historic District (17 C)
• [+] Franklin Square Historic District (40 F)

G

• [+] Galena Historic District (7 F)

M

• [+] Main Street Historic District (Tampico, Illinois) (1 P, 22 F)

O

• [+] Oak Circle Historic District (15 C, 5 F)
• [+] Oregon Commercial Historic District (2 C, 1 P, 53 F)

R

• [+] Ridgeland-Oak Park Historic District (2 C)

S

• [+] Scales Mound Historic District (6 F)
• [+] Sycamore Historic District (26 C, 5 P, 262 F)

U

• [+] University of Illinois Experimental Dairy Farm Historic District (14 F)

W

• [+] Washington Park Historic District (8 F)
• [+] Woodstock Square Historic District (1 C, 8 F)