Further areas were added to the city, which was by then a county borough, in 1934 and 1951.
First, there is the problem of the former county boroughs.
By June 1970 25% of the population were within the county boroughs.
It became a county borough in 1901, having reached the 50,000 population required.
The county borough had a short existence of just six years.
The county boroughs in the area would lose their status.
Following these changes, there was a total of 79 county boroughs in England.
Birmingham became a county borough and a city in 1889.
The county borough has a population of over 130,200 inhabitants.
According to the 1911 census the District had a population of 81,153, large enough to become a county borough.
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