What is the difference between population size and population density?

Question

What is the difference between population size and population density?

Answer 1

population size is how many and density is how much room.

Answer 2

size means how many individual organisms are in the population.

density means ow many organisms per unit area or unit volume.  example:

population density in my street is 8 people per block.

Answer 3

Population size is the total. The density is how many people per square mile. The density may be an average or the highest and lowest.

Answer 4

Pop size is the actual count.

Pop density shows were the population is most dense, or where a majority of them are.

Ex. The pop density of Montana would be more dense around the large cities compared to the rest of the state.