lay out a grid pattern 1 x1 mile and then have the people in each 1 x 1 grid raise their hand. then fly over in a helicopter with binoculars and a paintball gun. as you count the people shoot them with a paintball to mark them as counted. after you are done counting for a 1 x1 mile grid, write it in a log book. that is people per square mile. repeat as necessary. if the people are in a thickly wooded area, may first need to use defoliant like agent orange.
As of 2020, the population density of California is around 255 people per square mile.
Australia - 6.4 people per square mile
The population density of China is 33.9 people per square mile
According to census.gov, the 2007 population density estimate of Massachusetts is 833 people per square mile.
The population density of Florida is approximately 403.4 people per square mile.
Ontario, Canada / Population Density - 36 persons per square mile.
The number of people per square mile is the population density.
It is 96.3 people per square mile as of April 27th, 2011
The population density of the planet (including all land area) is about 105 people per square mile. If Antarctica is eliminated (since it has zero population density), the world population density rises only to 115 people per square mile.
The country with the highest population density is Monacowith 41,970 people per square mile. The second highest is Singapore with 16,540 people per square mile.
As of the 2010 census the population density of New Mexico is 17 people per square mile.
the population density for japan per square yard is 17 people