In Belfast, with its industrial boom, the working population mushroomed, growing fivefold in fifty years.

The population of the city mushroomed passing from about 5,000 in 1886 to 42,000 in 1900 and it became, in the process, Canada's third largest City.

The population of Trumbull mushroomed as the community conducted scrap metal drives, raised victory gardens, and donated food for the North Platte Canteen.

The population of Beaumont mushroomed from 8,000 to 60,000 within a year.

By then our population had mushroomed to over a billion.

The population mushroomed from 721 in 1920 to 14,848 in 1930 as a result of the oil boom.

Poor law administration did not need the subdivision of old parishes when new populations and congregations mushroomed.

The population of Sioux Falls mushroomed from 2,164 in 1880 to 10,167 at the close of the decade.

According to a history compiled by the League of Women Voters in 1963, the population mushroomed to 9,500 in 1962 from 2,194 in 1940.

The population of this sleepy little village mushroomed after Auguste Thyssen bought some land in 1909 and established a steel mill there.