How is each state's representation in the House of Representatives determined?

It is based on the wealth of the state.

It is based on the geographic size of the state.

It is based on the population of the state.

It is based on the tax revenues of the state.

It is based on the population of the state.

Explanation:

Under Article I, Section 2 of the Constitution, seats in the House of Representatives are apportioned among the states by population, as determined by the census conducted every ten years. Each state is entitled to at least one representative, however small its population.