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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
ADAMS TOWNSHIP LASALLE NOV. 6, 1849 ALLEN TOWNSHIP LASALLE UNCERTAIN BROOKFIELD TOWNSHIP LASALLE NOV. 6, 1849 BRUCE TOWNSHIP LASALLE NOV. 6, 1849 CEDAR POINT M-VILLAGE LASALLE NO OCT. 3, 1907 JUNE 22, 1908 DANA M-VILLAGE LASALLE NO SEPT. 20, 1875 JAN. 13, 1876 DAYTON TOWNSHIP LASALLE NOV. 6, 1849 DEER PARK TOWNSHIP LASALLE NOV. 6, 1849 DIMMICK TOWNSHIP LASALLE NOV. 6, 1849 EAGLE TOWNSHIP LASALLE NOV. 6, 1849 EARL TOWNSHIP LASALLE NOV. 6, 1849 EARLVILLE M-CITY LASALLE NO MAR. 27, 1869 FEB. 6, 1877 MAY 19, 1902 EDEN TOWNSHIP LASALLE NOV. 6, 1849 FALL RIVER TOWNSHIP LASALLE UNCERTAIN FARM RIDGE TOWNSHIP LASALLE NOV. 6, 1849 FREEDOM TOWNSHIP LASALLE NOV. 6, 1849 GRAND RAPIDS TOWNSHIP LASALLE NOV. 6, 1849 GRAND RIDGE M-VILLAGE LASALLE NO JAN. 14, 1891 JUNE 15, 1891 GROVELAND TOWNSHIP LASALLE SEPT. 1856 HOPE TOWNSHIP LASALLE NOV. 6, 1849 KANGLEY M-VILLAGE LASALLE NO FEB. 21, 1888 MAR. 29, 1888 LASALLE COUNTY LASALLE JAN. 15, 1831 OTTAWA LASALLE M-CITY LASALLE NO JUNE 23, 1852 MAY 22, 1876 MAR. 1, 1877 LASALLE TOWNSHIP LASALLE UNCERTAIN LELAND M-VILLAGE LASALLE NO OCT. 30, 1872 NOV. 30, 1872 WHITFIELD LEONORE M-VILLAGE LASALLE NO APR. 20, 1891 JUNE 15, 1891 LOSTANT M-VILLAGE LASALLE NO FEB. 16, 1865 SEPT. 4, 1873 NOV. 16, 1874 ELLSWORTH MANLIUS TOWNSHIP LASALLE UNCERTAIN MARSEILLES M-CITY LASALLE NO FEB. 21, 1861 APR. 14, 1884 MAY 1, 1884 MENDOTA M-CITY LASALLE NO FEB. 19, 1859 MAR. 5, 1883 MAY 7, 1883 MENDOTA TOWNSHIP LASALLE FEB. 1856 MERIDEN TOWNSHIP LASALLE NOV. 6, 1849 MILLER TOWNSHIP LASALLE UNCERTAIN MISSION TOWNSHIP LASALLE NOV. 6, 1849 NAPLATE M-VILLAGE LASALLE NO DEC. 9, 1947 DEC. 27, 1947 NORTH UTICA M-VILLAGE LASALLE NO MAR. 25, 1869 MAY 8, 1885 AUG. 24, 1885 NORTHVILLE TOWNSHIP LASALLE NOV. 6, 1849 OGLESBY M-CITY LASALLE NO DEC. 23, 1902 MAR. 16, 1903 PORTLAND OPHIR TOWNSHIP LASALLE NOV. 6, 1849 FREMONT (CHANGED MAY 1850) OSAGE TOWNSHIP LASALLE SEPT. 1856 OTTAWA M-CITY LASALLE YES JULY 21, 1837 MAR. 20, 1882 MAY 13, 1882 OTTAWA TOWNSHIP LASALLE NOV. 6, 1849 OTTER CREEK TOWNSHIP LASALLE UNCERTAIN PERU M-CITY LASALLE NO FEB. 25, 1845 MAR. 15, 1890 MAY 13, 1890 PERU TOWNSHIP LASALLE NOV. 6, 1849 SALISBURY (CHANGED SEPT. 27, 1856) RANSOM M-VILLAGE LASALLE NO AUG. 1, 1885 AUG. 2, 1886 RICHLAND TOWNSHIP LASALLE UNCERTAIN RUTLAND M-VILLAGE LASALLE NO MAR. 28, 1876 MAY 15, 1876 NEW RUTLAND RUTLAND TOWNSHIP LASALLE NOV. 6, 1849 TRENTON (CHANGED MAY 1850) SENECA M-VILLAGE LASALLE & GRUNDY NO FEB. 16, 1865 DEC. 2, 1874 JAN. 22, 1875 CROTTY SERENA TOWNSHIP LASALLE NOV. 6, 1849 WARREN (CHANGED MAY 1850) SHERIDAN M-VILLAGE LASALLE NO APR. 28, 1903 JUNE 13, 1903 SOUTH OTTAWA TOWNSHIP LASALLE NOV. 6, 1849 STREATOR M-CITY LASALLE NO APR. 6, 1874 JULY 30, 1874 TONICA M-VILLAGE LASALLE NO DEC. 26, 1859 AUG. 16, 1873 OCT. 16, 1901 TROY GROVE M-VILLAGE LASALLE NO APR. 3, 1886 AUG. 2, 1886 TROY GROVE TOWNSHIP LASALLE NOV. 6, 1849 UTICA TOWNSHIP LASALLE NOV. 6, 1849 VERMILION TOWNSHIP LASALLE NOV. 6, 1849 WALLACE TOWNSHIP LASALLE UNCERTAIN WALTHAM TOWNSHIP LASALLE NOV. 6, 1849
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