populous
thickly settled

Given its small area, most of the residential land in town is thickly settled.

The hamlet quickly became thickly settled and well developed in the 19th century.

In another hundred years or so, we would have entered a thickly settled region.

But it should locate where the British were most thickly settled.

West Germany is thickly settled, with a population density of about 400 people a square mile.

During the Roman era, the canton was once again thickly settled.

The country over which they drifted was thickly settled.

This had been a thickly settled territory before the Blow-up.

The district is now thickly settled, and the cedar trees have disappeared with but few exceptions.

By 1873, the entire county had been "thickly settled".