counties. 1873–1883 (19): The district now became a portion of Cook County, and included the part of Chicago's west side between the North Branch of the Chicago River and 16th Street; the city's western boundary was then Western Avenue from the river to North Avenue, and Crawford Avenue (now Pulaski Road) from North to 16th. 1883–1895 (20/22): The district now included parts of Chicago's west and southwest sides. On the west side, it included the area between 12th Street (now Roosevelt Road) on the north and the river and Illinois and Michigan Canal on the south, as well as a small area north of 12th Street near the river; the western boundary was still Crawford Avenue. South of the river and canal, the district included the area between 16th Street on the north, Clark Street on the east, 39th Street (now Pershing Road) on the south and Western Avenue on the west. Illinois gained two additional representatives following the 1890 census, but they were elected on an at-large basis for the 1893–1895 term before redistricting occurred, and the previous decade's districting remained in effect. 1895–1903 (22): The district now included the twelve townships comprising western Cook County (Cicero, Elk Grove, Hanover, Lemont, Leyden, Lyons, Maine, Norwood Park, Palos, Proviso, Riverside, Schaumburg), as well as the part of Chicago's west side bordered on the east by Crawford Avenue from North Avenue to 12th Street, Wood Street from 12th to the canal, Western from the canal to 39th, and State Street from 39th to 63rd Streets; also included was the area north of 12th to Taylor Street between Campbell Avenue and Wood. 1903–1949 (initially 25; two of 27 elected at large from 1913 to 1943, and one of 26 elected at large from 1943 to 1949): The district began to take its modern form, and included the part of Chicago south of 43rd Street having as its western boundary State Street from 43rd to 99th Streets, Stewart Avenue from 99th to 103rd, Halsted Street from 103rd to 111th, Peoria Street from 111th to 115th, and Ashland Avenue from 115th to the city line. Illinois's districts were not redrawn until 1947, taking effect for the 1948 elections. 1949–1963 (26 from 1949 to 1953; 25 thereafter): The district was reduced in size, and now included that part of Chicago bounded on the north by Marquette Road (State Street to South Park Boulevard, later renamed