Enumeration is one possible answer. The census is another.
It is called census.
This is called the US Census.
A census is an official count of members of a population of people (or of other living things). The government form of a census counts the residents or citizens in specified areas, often at regular intervals.The US Census is an official count of the population done at 10-year intervals, with estimations or corrections made in the intervening years. The latest US Census is for the year 2010.The purpose of the census is to gather information about the country and the people in it.
There is no official count as to how many postmen are in the US. There are thousands of them in each state.
U.S. Census
The census
english The US does not have an official language. English is the de facto language, official languages of 30 states, and spoken by about 95% of the population.
The US Census happens once every ten years. The next one will happen in 2010.
Idm
Wyoming: 532,688 (2008 official estimate)
Enumeration is one possible answer. The census is another.
5,747 according to the official US census service.