The density of population in this city is very high.

这个城市的人口密度非常高。

youdao

The density of population is big, the industrial agricultural and commercial sectors are highly developed, and the fuel demand is great in Zhujiang delta area.

珠江三角洲地区是我国人口密度很大、工农业和商业高度发达的地区，对燃料的需求量很大。

youdao

The population density of that country is 685 per square mile.

那个国家的人口密度为每平方英里685人。

《新英汉大辞典》

Its deadliness was linked, among other things, to the weakness of buildings, the depth of the quake, the density of population, the fault and soil types, and the intensity of the shaking.

ECONOMIST: Why the Kashmir earthquake happened and what might be done

"Israel has said that given the density of the population in Gaza - they did the best they could to avoid civilians, " he said in an interview with the US network CNN.

BBC: Gaza probe 'fatal blow' to peace

And that was at a time when the congestion arising from development and population density of the area was nothing like what it is today.

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