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Wiktionary
population density

n. The average number of people who live on each square mile (or kilometer) of land.

Wikipedia
Population density

Population density (in agriculture: standing stock and standing crop) is a measurement of population per unit area or unit volume; it is a quantity of type number density. It is frequently applied to living organisms, and most of the time to humans. It's a key geographical term.

Usage examples of "population density".

If the Americas eventually came to hold hunter-gatherers at an average population density of somewhat under one person per square mile (a high value for modern hunter-gatherers), then the whole area of the Americas would eventually have held about 10 million hunter-gatherers.

Headquarters had a high population density around its core, far more than any of the others, simply because it was headquarters and it had all the bureaucracy that this implied.

And besides, the population density on the Chinese side of the border is three times that on the Russian side.

More satellites must be used to give reliable data in all countries on the availability of mineral and food resources, population density, growth of cities, and levels of pollution.

The plan was to head for the land mass with the highest rate of change of population density we could derive from Dreamtime transient loading .

They will have fulfilled their purpose, which is to increase, and multiply, and fill the gaps in the human record as the original genepool disperses to a mathematically determined population density—.

Particularly when one considers that 85 per cent of the state's 440,000 people live in Las Vegas, Reno, or Carson City, the population density of 1.

They will have fulfilled their purpose, which is to increase, and multiply, and fill the gaps in the human record as the original genepool disperses to a mathematically determined population density-as it must disperse, for its own future welt-being, its own genetic health.