1800 - 5,308,483 141* 1 for every 37,649 people
1810 - 7,239,881 182* 1 for every 39,780 people
1820 - 9,638,453 187 1 for every 51,532 people
1830 - 12,866,020 240* 1 for every 53,608 people
1840 - 17,069,453 223* 1 for every 76,545 people
1850 - 23,191,876 233 1 for every 99,535 people
1860 - 31,443,321 178 1 for every 176,648 people
1870 - 38,558,371 243 * 1 for every 158,676 people
1880 - 50,189,209 325 * 1 for every 154,428 people
1890 - 62,979,766 330 1 for every 212,060 people
1900 - 76,212,168 386 1 for every 197,441 people
1910 - 92,228,496 391 1 for every 235,879 people
1920 - 106,021,537 435 1 for every 243,728 people
1930 - 123,202,624 435 1 for every 283,224 people
1940 - 132,164,569 435 1 for every 303,826 people
1950 - 151,325,798 435 1 for every 347,875 people
1960 - 179,323,175 435 1 for every 412,236 people
1970 - 203,302,031 435 1 for every 467,361 people
1980 - 226,542,199 435 1 for every 520,876 people
1990 - 248,709,873 435 1 for every 567,149 people
2000 - 281,421,906 435 1 for every 646,947 people
2010 - 307,745,538 435 1 for every 707,460 people
The members of Congress in 2010 represented an average of 4 times as many people as they did back in 1910.
The members of Congress in 1810 represented an average of just under 40,000 people and in 2010 the average Congressman represented over 700,000 people.