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Geography Home Browse by State Browse by Feature Definitions Top 10 |
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Geography Home Browse by State Browse by Feature Definitions Top 10 |
Illinois Island
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Feature Name
|
County
|
Latitude
|
Longitude
|
| Andalusia Island | Rock Island | 41.44889 | -90.80556 |
| Angelo Towhead | Alexander | 36.97944 | -89.17528 |
| Apple River Island | Carroll | 42.17556 | -90.25389 |
| Arsenal Island | St. Clair | 38.56611 | -90.22167 |
| Aux Sable Island | Grundy | 41.37861 | -88.3375 |
| Bar Island | Cass | 40.00306 | -90.48222 |
| Bardwell Island | Will | 41.35778 | -88.23194 |
| Barkis Island | Mercer | 41.29111 | -91.0825 |
| Barney Island | Lake | 42.44361 | -88.16417 |
| Barns Island | Adams | 40.11028 | -91.4875 |
| Barry Island | Grundy | 41.32333 | -88.55556 |
| Bass Island | Mercer | 41.32694 | -91.06917 |
| Bay Island | Pike | 39.54722 | -91.10139 |
| Beagles Island | Monroe | 38.13278 | -90.24389 |
| Beaver Island | Henderson | 40.71944 | -91.10972 |
| Beebe Island | Adams | 39.81917 | -91.38083 |
| Bell Island | Mercer | 41.22361 | -91.08944 |
| Bells Island | La Salle | 41.32889 | -88.73611 |
| Benton Island | Henderson | 40.97722 | -90.94889 |
| Big Blue Island | Pike | 39.66417 | -90.62722 |
| Big Dasher Island | Henderson | 40.9 | -91.00472 |
| Big Island (historical) | Scott | 39.59028 | -90.56028 |
| Big Muddy Island | Jackson | 37.57667 | -89.49417 |
| Blackhawk Island | Winnebago | 42.20778 | -89.095 |
| Blanchard Island | Rock Island | 41.35472 | -91.06222 |
| Blue Goose Island | Hancock | 40.20139 | -91.49861 |
| Bogus Island | Mercer | 41.25889 | -91.09667 |
| Boney Island | Winnebago | 42.48861 | -89.04722 |
| Boss Island | Johnson | 37.36167 | -88.95667 |
| Boy Scout Island | Kane | 41.91944 | -88.31806 |
| Briar Island | Cass | 40.05528 | -90.21639 |
| Bridge Island | Greene | 39.46028 | -90.61278 |
| Browns Island | Pike | 39.63278 | -91.23667 |
| Brownsville Island | Adams | 40.17556 | -91.50139 |
| Buckhorn Island | Greene | 39.49972 | -90.58806 |
| Bull Island | White | 38.16222 | -87.91972 |
| Bulls Island | La Salle | 41.34083 | -88.82056 |
| Bumgard Island | Alexander | 37.04278 | -89.36194 |
| Burlington Island | Henderson | 40.72917 | -91.10361 |
| Burnham Island | Alexander | 37.14167 | -89.4125 |
| Buzzard Island | Hancock | 40.23944 | -91.49694 |
| Campbells Island | Calhoun | 39.09028 | -90.67583 |
| Carroll Island | Calhoun | 39.33556 | -90.82333 |
| Cash Island | Pike | 39.42028 | -90.97139 |
| Cedar Island | Lake | 42.38194 | -88.19028 |
| Chillicothe Island | Woodford | 40.91083 | -89.47833 |
| Chouteau Island | Madison | 38.76861 | -90.14639 |
| Clark Island | Kane | 41.84417 | -88.30778 |
| Clarksville Island | Calhoun | 39.36944 | -90.8825 |
| Clifford Island | Henderson | 40.72444 | -91.10639 |
| Coal Creek Island | Schuyler | 40.00111 | -90.49444 |
| Coleman Island | Mercer | 41.25333 | -91.10889 |
| Commerce Towhead (historical) | Alexander | 37.1725 | -89.44278 |
| Conroy Island | Will | 41.4 | -88.22639 |
| Coon Hollow Island | Tazewell | 40.52139 | -89.85389 |
| Coon Island | Calhoun | 39.32083 | -90.80556 |
| Coon Islands | McHenry | 42.37944 | -88.20556 |
| Coopers Island | Tazewell | 40.57583 | -89.65222 |
| Cottonwood Island | Pike | 39.54361 | -91.10361 |
| Crabapple Island | Lake | 42.41306 | -88.16444 |
| Craigel Island | Henderson | 40.74861 | -91.10361 |
| Crains Island | Randolph | 37.86167 | -89.77778 |
| Crater Island | Greene | 39.26167 | -90.6075 |
| Crawford Towhead | Union | 37.53667 | -89.50583 |
| Crider Island | Pike | 39.42722 | -90.99444 |
| Cuba Island | Cass | 40.07194 | -90.28778 |
| Dallas Island | Henderson | 40.64556 | -91.16556 |
| Dead Mans Island | Calhoun | 39.28917 | -90.76639 |
| Deadman Island | Adams | 39.98806 | -91.45556 |
| Delbridge Island | La Salle | 41.31722 | -88.92417 |
| Denmark Island | Pike | 39.555 | -91.15278 |
| Denton Island | Winnebago | 42.25389 | -89.10111 |
| Devils Island | Alexander | 37.32972 | -89.44861 |
| Diamond Island | Calhoun | 39.19556 | -90.59778 |
| Dillon Island | Adams | 40.10944 | -91.49389 |
| Dixie Islands | Carroll | 42.04417 | -90.15778 |
| Dog Island | Calhoun | 39.26444 | -90.73444 |
| Dogtooth Island | Alexander | 37.01944 | -89.28222 |
| Dresden Island | Grundy | 41.39917 | -88.28528 |
| Drift Island | Pike | 39.55333 | -91.13194 |
| Duck Island | Fulton | 40.46167 | -89.93361 |
| Elm Island | Schuyler | 40.12778 | -90.34889 |
| Enterprise Island | Calhoun | 38.92306 | -90.49333 |
| Fisher Island | Greene | 39.38972 | -90.61444 |
| Five Islands | Kane | 41.96861 | -88.30389 |
| Flannigan Island | Adams | 40.04389 | -91.46139 |
| Fort Chartres Island | Randolph | 38.08083 | -90.17139 |
| Fourmile Island | Pike | 39.67833 | -91.2925 |
| Fox Island | White | 38.14778 | -87.97944 |
| Gabaret Island | Madison | 38.71556 | -90.18 |
| Giboney Island | Alexander | 37.28917 | -89.51361 |
| Gilligans Island | Hancock | 40.54583 | -91.38139 |
| Goose Island | Alexander | 37.12556 | -89.40306 |
| Gosline Island | Pike | 39.43278 | -91.00278 |
| Grand Island | Mason | 40.20139 | -90.14667 |
| Grape Island | Cass | 40.00639 | -90.46694 |
| Grimes Island | Calhoun | 39.30222 | -90.78472 |
| Grist Island | Grundy | 41.33417 | -88.5025 |
| Hackberry Island | Lake | 42.46222 | -88.16833 |
| Hackley Island | Hancock | 40.28806 | -91.47972 |
| Hale Island | Jo Daviess | 42.34556 | -90.43333 |
| Halfmoon Island | Jackson | 37.57139 | -89.4825 |
| Halfmoon Islands | McHenry | 42.39111 | -88.20889 |
| Hanging Dog Island | Union | 37.51528 | -89.49389 |
| Hardy Bar Island | Hancock | 40.20917 | -91.50278 |
| Harper Island | Henderson | 40.78222 | -91.07472 |
| Hat Island | Calhoun | 38.92361 | -90.65611 |
| Heisner Island | Livingston | 40.8875 | -88.66417 |
| Helmbold Island | Calhoun | 39.06556 | -90.58833 |
| Hershey Island | Rock Island | 41.42722 | -90.96361 |
| Hickory Island | Mason | 40.135 | -90.32861 |
| Hitt Island | La Salle | 41.33694 | -88.86056 |
| Hoffman Island | Will | 41.23278 | -88.07889 |
| Hogback Island | Adams | 39.99139 | -91.4625 |
| Huff Island | Hancock | 40.21694 | -91.49944 |
| Hunt Island | Hancock | 40.22417 | -91.49333 |
| Hurds Island | Kane | 41.75056 | -88.32361 |
| Hurricane Island | Calhoun | 39.22944 | -90.6 |
| Indian Island | La Salle | 41.45583 | -88.73472 |
| Iowa Island | Calhoun | 38.90861 | -90.50833 |
| Island 228 | Jo Daviess | 42.46056 | -90.61889 |
| Island 233 | Jo Daviess | 42.41917 | -90.53917 |
| Island 235 | Jo Daviess | 42.40278 | -90.50778 |
| Island 266 | Carroll | 42.12472 | -90.16167 |
| Island 464 | Calhoun | 39.36417 | -90.88 |
| Island 518 | Calhoun | 38.91083 | -90.50194 |
| Island 521 | Calhoun | 38.93222 | -90.48667 |
| Island 525 | Calhoun | 38.96556 | -90.46528 |
| Island Number 1 | Winnebago | 42.21917 | -89.09694 |
| Island Number 254 | Jo Daviess | 42.20778 | -90.33417 |
| Island Number 256 | Carroll | 42.18361 | -90.28028 |
| Island Number 28 | Alexander | 37.08444 | -89.27944 |
| Island Number 29 | Alexander | 37.07972 | -89.26528 |
| Island Number 317 | Rock Island | 41.45278 | -90.68889 |
| Island Number 318 | Rock Island | 41.45139 | -90.70944 |
| Island Number 319 | Rock Island | 41.45 | -90.71778 |
| Island Number 322 | Rock Island | 41.44639 | -90.75083 |
| Island Number 328 | Rock Island | 41.42833 | -90.89528 |
| Island Number 330 | Rock Island | 41.42306 | -90.95278 |
| Island Number 336 (historical) | Rock Island | 41.37944 | -91.04667 |
| Island Number 347 | Mercer | 41.27722 | -91.08806 |
| Island Number 419 | Adams | 40.07306 | -91.49139 |
| Island of Canton | Mason | 40.30861 | -90.06583 |
| Jim Young Island | Pike | 39.62 | -91.22 |
| Johnson Island | Calhoun | 38.94167 | -90.6625 |
| Kamps-Stiens Island | Hancock | 40.305 | -91.47389 |
| Kaskaskia Island | Randolph | 37.91361 | -89.92167 |
| Kelly Island | Calhoun | 39.20111 | -90.71167 |
| Kempster Island | Whiteside | 41.61139 | -90.15222 |
| King Island | Tazewell | 40.50444 | -89.88111 |
| Knapps Island | Mason | 40.12611 | -90.30111 |
| Koops Island | Kankakee | 41.15444 | -87.70111 |
| Kusie Island | Hancock | 40.33389 | -91.46194 |
| Lacours Island | Jackson | 37.7175 | -89.57806 |
| Langham Island | Kankakee | 41.18806 | -87.96472 |
| Leopold Island | La Salle | 41.32417 | -88.98917 |
| Libby Island | Adams | 40.01972 | -91.45528 |
| Little Dresden Island | Grundy | 41.39861 | -88.29 |
| Little Fox Island | White | 38.17194 | -87.96944 |
| Little Island | Alexander | 37.13417 | -89.4125 |
| Little Rock Island | Whiteside | 41.83444 | -90.18194 |
| Long Island | Adams | 40.05389 | -91.47556 |
| Macoupin Island | Greene | 39.15639 | -90.59778 |
| Mapes Island | Mercer | 41.0875 | -90.94167 |
| Maple Island | Calhoun | 39.10278 | -90.67361 |
| Martin Towhead | Calhoun | 38.915 | -90.64667 |
| Mason Island | Jersey | 38.96 | -90.45833 |
| Matanzas Island | Mason | 40.255 | -90.10306 |
| Maxey Island | Calhoun | 39.00333 | -90.67722 |
| Mayo Island | La Salle | 41.3275 | -88.87 |
| McCoy Island | Calhoun | 39.29111 | -90.77139 |
| McDonald Island | Adams | 39.76667 | -91.35694 |
| McGees Island | Morgan | 39.85 | -90.56667 |
| Meissner Island | Monroe | 38.30556 | -90.35889 |
| Meredosia Island | Cass | 39.88917 | -90.56111 |
| Middleton Island | Calhoun | 39.39111 | -90.92639 |
| Mill Island | Henderson | 40.96472 | -90.9425 |
| Millwoods Island | Whiteside | 41.67 | -89.97444 |
| Mink Island | Fulton | 40.45611 | -89.92222 |
| Miserable Island | Fulton | 40.46639 | -89.94167 |
| Missouri Sister Island | Alexander | 37.07472 | -89.27556 |
| Montague Island | Winnebago | 42.25639 | -89.09667 |
| Moores Island | La Salle | 41.34028 | -88.79528 |
| Moose Island | Will | 41.41028 | -88.21972 |
| Moro Island | Randolph | 37.99222 | -89.99306 |
| Mortland Island | Calhoun | 39.11833 | -90.60806 |
| Mosenthein Island | Madison | 38.7225 | -90.20167 |
| Mound Island | Carroll | 42.03778 | -90.15583 |
| Mud Island | Adams | 40.19611 | -91.49667 |
| North Aurora Island | Kane | 41.80556 | -88.32333 |
| North Fritz Island | Pike | 39.52778 | -91.08333 |
| Northerly Island | Cook | 41.86306 | -87.60806 |
| Number 249 | island | 0902325W | 42.22889 |
| Old River Island | Wayne | 38.405 | -88.19667 |
| Paddy Island | Henderson | 40.70139 | -91.09833 |
| Parish Island | Kankakee | 41.15778 | -87.69139 |
| Peacocks Island | Grundy | 41.36389 | -88.39083 |
| Pearl Island | Pike | 39.70667 | -91.33472 |
| Pecan Island | Fayette | 38.89 | -89.11 |
| Peterson Island | Henry | 41.57528 | -90.18056 |
| Pettifer Island | Rock Island | 41.48389 | -90.61083 |
| Piasa Island | Jersey | 38.93083 | -90.27722 |
| Picayune Island | Alexander | 37.33278 | -89.42278 |
| Pine Island | Williamson | 37.73667 | -89.13722 |
| Plum Island | La Salle | 41.32528 | -88.99583 |
| Polly Island | Adams | 40.18556 | -91.49806 |
| Prescotts Island | Cook | 41.80611 | -87.80833 |
| Price Towhead (historical) | Alexander | 37.05583 | -89.365 |
| Queens Island | Lake | 42.38306 | -88.18667 |
| Quinsippi Island | Adams | 39.94194 | -91.42167 |
| Riverside Island | Lake | 42.40667 | -88.18778 |
| Rock Island | Alexander | 37.24583 | -89.45417 |
| Sand Bar Island | Pike | 39.54083 | -91.09194 |
| Sand Island | Mason | 40.08472 | -90.27972 |
| Santa Fe Island | Carroll | 42.12917 | -90.19139 |
| Sarah Ann Island | Calhoun | 39.01278 | -90.68694 |
| Savanna Islands | Carroll | 42.05722 | -90.16222 |
| Saverton Island | Pike | 39.65472 | -91.26083 |
| Schaffer Island | Adams | 39.78722 | -91.35528 |
| Scherer Island | La Salle | 41.34083 | -88.82889 |
| Seawards Island | Jo Daviess | 42.25861 | -90.41444 |
| Senate Island | Fulton | 40.45056 | -89.90944 |
| Shandrew Island | Adams | 40.07056 | -91.47472 |
| Sheehan Island | La Salle | 41.32361 | -88.89611 |
| Shuck Island | Pike | 39.7125 | -91.34111 |
| Simmons Island | Cook | 41.92111 | -87.62944 |
| Sixmile Island | Calhoun | 38.97556 | -90.55694 |
| Skinner Island | Grundy | 41.38889 | -88.2575 |
| Skinney Island | Madison | 38.87222 | -90.15083 |
| Smith Islands | Will | 41.21333 | -88.0325 |
| Smiths Island | Rock Island | 41.46889 | -90.59528 |
| Snicarte Island | Mason | 40.1475 | -90.20278 |
| South Fritz Island | Pike | 39.51667 | -91.07917 |
| Spar Island | Greene | 39.40778 | -90.61528 |
| Spiers Island | Kane | 41.76889 | -88.30917 |
| Spring Lake Island | Pike | 39.47833 | -90.97389 |
| Squaw Island | Calhoun | 38.94028 | -90.49083 |
| Stolp Island | Kane | 41.75806 | -88.31444 |
| Sturgeon Island | Fulton | 40.49639 | -89.88556 |
| Sugar Creek Island | Cass | 40.09306 | -90.38972 |
| Sugar Island | Grundy | 41.345 | -88.47361 |
| Sweeney Islands | Carroll | 42.12028 | -90.16139 |
| Swiftsure Towhead | Union | 37.36917 | -89.4175 |
| Sylvan Island | Rock Island | 41.51278 | -90.53583 |
| Taylor Island | Hancock | 40.26806 | -91.48528 |
| Tip Island | Greene | 39.18722 | -90.5925 |
| Tisdel Towhead | Calhoun | 39.27833 | -90.76111 |
| Tower Island | Pike | 39.70111 | -91.32361 |
| Towhead Island | Pike | 39.74917 | -91.35944 |
| Tully Island | Adams | 40.18111 | -91.50694 |
| Turkey Island | Henderson | 40.68222 | -91.10583 |
| Turner Island | Calhoun | 39.05167 | -90.70611 |
| Turtle Island | Pike | 39.745 | -91.36528 |
| Twelvemile Island | Jersey | 39.04556 | -90.58083 |
| Twin Islands | Greene | 39.38278 | -90.61972 |
| Twomile Island | Henderson | 40.73556 | -91.08861 |
| Vails Island | Kankakee | 41.16306 | -87.61444 |
| Vancill Towhead | Union | 37.47083 | -89.46806 |
| Vandruff Island | Rock Island | 41.46 | -90.56833 |
| Walkers Island | Madison | 38.69139 | -90.0775 |
| Ward Island | Adams | 39.87722 | -91.43917 |
| Weson Island | Greene | 39.47917 | -90.59639 |
| White Island | Adams | 40.16778 | -91.50861 |
| Wilkinson Island | Jackson | 37.74611 | -89.62333 |
| Willow Bar Island | Mercer | 41.07333 | -90.94361 |
| Wilsons Island | Morgan | 39.85083 | -90.57972 |
| Wing Island | Greene | 39.41083 | -90.61806 |
| Winnebago Island | Rock Island | 41.53583 | -90.44333 |
| Wirth Island | St. Clair | 38.25111 | -89.90194 |
| Wooded Island | Cook | 41.78444 | -87.5825 |
| Woodruffs Island | Carroll | 41.95528 | -90.16111 |
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