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2020 Tree City USA
Communities in Illinois

Updated June 2021. Next Update: June 2022.

City Years Population
Addison 33 37,000
Algonquin 25 30,947
Alsip 7 19,377
Altamont 34 2,300
Alton 27 26,208
Anna 3 4,442
Arlington Heights 36 75,249
Aurora 24 200,456
Bannockburn 30 1,600
Barrington 35 10,000
Barry 23 1,350
Bartlett 4 41,208
Batavia 24 26,283
Belleville 28 41,290
Bensenville 30 18,226
Berwyn 32 58,000
Bloomingdale 26 22,018
Bloomington 34 76,610
Bolingbrook 31 76,000
Brookfield 40 19,000
Buffalo Grove 33 40,853
Burr Ridge 27 10,818
Camp Lincoln 7 800
Carbondale 40 26,151
Carlinville 17 5,916
Carpentersville 9 37,368
Carthage 5 2,620
Cary 13 18,271
Champaign 36 89,149
Channahon 23 13,855
Charleston 19 21,039
Chenoa 1 1,737
Chicago 39 2,746,590
City of Crystal Lake 5 40,036
Clarendon Hills 31 8,712
Clinton 20 7,300
Danvers 6 1,183
Decatur 40 70,000
Deer Park 7 3,200
Deerfield 10 18,500
Des Plaines 34 58,959
Downers Grove 37 47,833
East Dundee 3 3,192
Edwardsville 19 24,220
Elburn 22 5,700
Elgin 24 110,000
Elk Grove Village 36 33,000
Elmhurst 41 46,000
Evanston 37 74,106
Flossmoor 3 9,464
Forest Park 1 14,000
Forrest 20 1,300
Frankfort 25 22,000
Franklin Park 9 19,000
Galesburg 21 32,195
Galva 35 2,589
Geneva 21 21,340
Genoa 27 5,193
Glen Ellyn 37 27,746
Glencoe 37 8,723
Glendale Heights 24 34,208
Glenview 36 46,740
Grayslake 27 20,906
Greenville 26 7,000
Gridley 22 1,410
Gurnee 24 31,056
Hanover Park 36 38,533
Hawthorn Woods 6 8,900
Hazel Crest 36 14,000
Henry 23 2,600
Hickory Hills 25 14,092
Highland 32 10,000
Highland Park 41 29,622
Hinsdale 29 16,816
Hoffman Estates 30 52,271
Homer Glen 12 24,500
Homewood 23 18,885
Indian Head Park 31 3,751
Inverness 30 7,399
Itasca 36 8,500
Joliet 30 149,386
Lagrange 38 15,550
Lagrange Park 34 13,296
Lake Bluff 25 5,700
Lake Forest 41 19,219
Lake In The Hills 17 28,835
Lake Zurich 26 19,631
Lanark 19 1,600
Libertyville 28 20,405
Lincoln 20 13,537
Lincolnshire 32 7,275
Lincolnwood 23 12,349
Lindenhurst 24 14,372
Lisle 29 23,440
Lockport 2 25,615
Lombard 31 43,745
Mackinaw 20 1,950
Macomb 29 21,509
Mahomet 1 8,392
Marquette Heights 30 2,824
Marseilles Training Center 7 20
McHenry 27 27,061
Mokena 16 20,305
Moline 27 44,000
Morton Grove 20 22,943
Mount Carroll 27 1,550
Mount Prospect 36 55,127
Moweaqua 31 1,831
Mundelein 8 31,234
Naperville 31 148,449
New Lenox 21 28,744
Niles 7 29,184
Normal 22 55,298
North Aurora 13 17,441
North Barrington 21 3,100
Northbrook 27 33,170
Northfield 36 5,420
Oak Lawn 25 57,034
Oak Park 37 52,265
Olney 5 9,115
Orland Park 33 57,857
Oswego 27 34,383
Ottawa 22 18,063
Palatine 35 68,557
Palos Heights 31 12,500
Palos Hills 32 17,484
Palos Park 28 4,847
Park Forest 7 21,928
Park Ridge 37 37,500
Paxton 32 4,473
Peoria 28 111,388
Peotone 4 4,142
Pingree Grove 6 9,200
Plainfield 30 43,926
Pontiac 10 12,000
Port Barrington 7 1,500
Prospect Heights 22 16,256
Quincy 35 39,949
Rantoul 35 13,000
River Forest 23 11,172
River Grove 26 10,227
Riverside 16 8,810
Riverwoods 18 3,656
Rock Island 29 37,678
Rockford 32 146,526
Rolling Meadows 31 24,099
Roselle 35 22,760
Savoy 19 8,700
Schaumburg 16 73,509
Scott AFB 28 13,000
Shabbona 5 925
Shorewood 13 18,136
Skokie 35 64,784
South Barrington 2 4,981
South Elgin 17 23,447
South Holland 20 22,000
Springfield 27 114,868
St Charles 23 32,714
Sterling 2 15,370
Steward 17 256
Stickney 8 6,786
Stockton 18 1,862
Streamwood 29 40,437
Sugar Grove 27 8,997
Sycamore 14 18,307
Tower Lakes 27 1,300
Trout Valley 7 537
Urbana 45 41,250
Vernon Hills 29 25,113
Villa Park 36 21,695
Village of Huntley 3 29,305
Village of Montgomery 3 19,800
Village of Romeoville 1 41,592
Village of Volo 5 5,399
Warrenville 34 13,140
Washington 6 16,566
Wauconda 15 14,250
Wayne 24 2,431
Westchester 6 16,718
Western Springs 34 13,391
Westmont 25 24,685
Wheaton 35 52,745
Wheeling 31 40,000
Wilmette 37 27,087
Winfield 9 9,820
Winnetka 28 12,385
Wood Dale 16 13,706
Woodridge 30 32,971