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DATE OF INCORPORATION NAME OF LOCAL FORM OF DATE COUNTY LAWS IN FORCE GOVERNMENT GOVERNMENT COUNTY ESTABLISHED SEAT BEFORE JULY 1 1872-AFTER JULY 1 1872 CERTIFIED FORMERLY
ANDALUSIA M-VILLAGE ROCK ISLAND NO APR. 24, 1884 JULY 5, 1894 ANDALUSIA TOWNSHIP ROCK ISLAND SEPT. 1858 BLACKHAWK TOWNSHIP ROCK ISLAND NOV. 4, 1856 CAMDEN (CHANGED OCT. 1, 1857) BOWLING TOWNSHIP ROCK ISLAND NOV. 4, 1856 BUFFALO PRAIRIE TOWNSHIP ROCK ISLAND NOV. 4, 1856 BUFFALO AND COPPER CANOE CREEK TOWNSHIP ROCK ISLAND NOV. 4, 1856 CARBON CLIFF M-VILLAGE ROCK ISLAND NO DEC. 10, 1906 MAR. 9, 1907 COAL VALLEY TOWNSHIP ROCK ISLAND NOV. 4, 1856 COAL VALLEY M-VILLAGE ROCK ISLAND & HENRY NO MAR. 11, 1876 MAY 9, 1876 COE TOWNSHIP ROCK ISLAND NOV. 4, 1856 FREMONT AND PENN CORDOVA M-VILLAGE ROCK ISLAND NO MAR. 12, 1877 JULY 6, 1894 CORDOVA TOWNSHIP ROCK ISLAND NOV. 4, 1856 DRURY TOWNSHIP ROCK ISLAND NOV. 4, 1856 EAST MOLINE M-CITY ROCK ISLAND NO DEC. 20, 1902 FEB. 20, 1903 WATERTOWN ANNEXED TO EDGINGTON TOWNSHIP ROCK ISLAND NOV. 4, 1856 HAMPTON M-VILLAGE ROCK ISLAND NO FEB. 10, 1849 APR. 22, 1876 JULY 5, 1894 HAMPTON TOWNSHIP ROCK ISLAND NOV. 4, 1856 HILLSDALE M-VILLAGE ROCK ISLAND NO MAY 27, 1950 FEB. 19, 1951 MILAN M-VILLAGE ROCK ISLAND NO FEB. 13, 1865 MAR. 13, 1893 MAY 12, 1893 CAMDEN MILLS MOLINE M-CITY ROCK ISLAND NO FEB. 14, 1855 AUG. 6, 1872 NOV. 15, 1872 MOLINE TOWNSHIP ROCK ISLAND NOV. 4, 1856 OAK GROVE M-VILLAGE ROCK ISLAND NO DEC. 8, 1955 FEB. 7, 1956 OAK GROVE PARK PORT BYRON M-VILLAGE ROCK ISLAND NO NOV. 10, 1876 JAN. 20, 1877 PORT BYRON TOWNSHIP ROCK ISLAND NOV. 4, 1856 RAPID CITY M-VILLAGE ROCK ISLAND NO AUG. 12, 1875 NOV. 27, 1875 REYNOLDS M-VILLAGE ROCK ISLAND NO JUNE 8, 1894 JAN. 22, 1897 ROCK ISLAND COUNTY ROCK ISLAND FEB. 9, 1831 ROCK ISLAND ROCK ISLAND M-CITY ROCK ISLAND YES FEB. 27, 1841 NOV. 4, 1879 DEC. 8, 1879 STEPHENSON ROCK ISLAND TOWNSHIP ROCK ISLAND NOV. 4, 1856 RURAL TOWNSHIP ROCK ISLAND UNCERTAIN SILVIS M-CITY ROCK ISLAND NO DEC. 19, 1906 MAR. 13, 1907 SOUTH MOLINE TOWNSHIP ROCK ISLAND MAR. 1879 SOUTH ROCK ISLAND TOWNSHIP ROCK ISLAND MAR. 1, 1878 ZUMA TOWNSHIP ROCK ISLAND NOV. 4, 1856 WALKER (CHANGED OCT. 1, 1857)
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