The area represented by a member of the House of Representatives is called a congressional district. Congressional districts are based on population.
Wisconsin have 8 Congressional Districts. ---There use to be nine. The smallest congressional district is the 4th districts which is really small. The biggest district would be the 3rd district which consists of the counties west/midwest of wisconsin.
The state legislators redraw congressional districts.
The congressman from that district
We are currently in the 110th Congress. Virginia is not in a congressional district, but it contains congressional districts.
Vermont's At-large congressional district's population is 608,827.
Representation is based on population. Each state is broken up into counties which contain "congressional districts" with a specific number of residents which, when such number is surpassed, requires the creation of a new district.
State legislatures in each state are responsible for drawing congressional district boundaries. There are 435 congressional districts in the United States.
Alaska's At-large congressional district's population is 626,932.
The population of Guam's At-large congressional district is 154,805.
The population of Montana's At-large congressional district is 902,165.
Wyoming's At-large congressional district's population is 563,626.