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Originally Posted by portapetey
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Thanks for posting that. It's a good report. I think that's a level of detail where somebody can start to understand what's really going on. Drawing up arbitrary boundaries and then just talking about the population total (like in those comparisons between the downtown populations of different cities) does not tell you very much.
If you look at population there has been a net decline since 1951, but the number of housing units has more than doubled during that time. There has been a lot more construction of housing units than the population numbers suggest, and a huge part of the story is the shift from large, often overcrowded families (9.7 per unit in the Cogswell tract in 1951!) to smaller, wealthier households. I definitely would not describe this process as "decline". Areas truly in decline usually have declining populations, fewer occupied housing units, and declining incomes. You also need to consider the shift toward commercial development and the fact that it takes land away from residential uses. They talk about that in the report too. The blocks where, say, the Metro Centre was at one point had housing. I don't think the construction of the Metro Centre was a sign of decline, but it resulted in a lower population.
Another interesting angle is that the idea that the new developments are ultra-crowded or too high density does not hold much water. Crowding, the number of people per units, has gone down. Densities are no higher than they were in 1951.
The difference between overcrowding and high density is one of those things Jane Jacobs tried to clarify back in the 60's. A lot of people get them mixed up. Density is only bad if you don't have the infrastructure to support the population; that is when an area can be said to be overcrowded.