Population and Representation
The population of Illinois in 1810 was 12,282, and the Territory was represented by one delegate in Congress.|
The population of 1820 was 55,211, with one member of Congress-Daniel P. Cook, who was the first member of Congress elected from the State of Illinois.
In the year 1830, the population of the State was 157,445, and three members of Congress were accorded to the State.
In 1840, the population of the State was 476,183, and seven members were given to the State.
In 1850, the population was 851,470, and nine members of Congress were apportioned to the State.
In 1870, the population had swelled to 2,539,831, and the State is represented by nineteen members of Congress, and now there are but two States in the Union that have a greater population or more wealth than the State of Illinois.