During the same 1980-90 period, the suburban Asian population grew by 2 million, to 3.5 million.

Essex County, which has a combination of urban and suburban populations, was not included in the analysis.

During the 1950s, America's suburban population grew at a rate three times faster than that of central cities.

Retailing in the area has increased to try and keep abreast with the growing suburban population.

By 1929, there was an increasing focus on organised recreation for the growing city and suburban population.

Missouri has a mix of urban, suburban and rural populations.

Cats that are let outside live close to suburban populations and have been estimated to number 640 per square mile.

Meanwhile, the suburban population swelled because of the baby boom.

But there was marked economic buoyancy in states with large suburban populations.

The suburban population increased 87% between 1981 and 2001, well ahead of urban growth.