Sure, it's a subjective question. Where I live, it's anything taller than four stories, at least in the local media's eyes. But from a real estate perspective, there really is a minimum number, and they are being built in record numbers in the U.S.
Apr 29, 2014 The Wall Street Journal - U.S. News
What is the best height to promote good urban living? It needs to be high to attain necessary density but not so high that it detracts from the quality of life, particularly for existing residents. In short, what is the Goldilocks height level?
Apr 26, 2014 The Guardian
Movoto turned U.S. population density maps into an animated gif to show how the population has expanded over time.
Apr 9, 2014 Movoto Blog
The cautionary tale of “a very suburban kerfuffle” in Blaine, Minnesota: residents of a “large, multi-builder housing development” who once opposed a multi-family residential development in the neighborhood now lament a lack of retail.
Mar 22, 2014 Streets.MN
SPUR states its case clearly by announcing, “We believe cities are the key to our future” at the opening of a new report called “SPUR’s Agenda for Change.”
Mar 13, 2014 Next City
Piggybacking on John Karras's article, "12 Strategies That Will Transform Your City’s Downtown" (posted in Planetizen as "12 Strategies for Revitalizing Downtowns" on 2/26/1014), Bill Adams takes a look at how downtown San Diego measures up.
Mar 9, 2014 UrbDeZine.com
Not everyone is sold on the idea of vertical cities, populated with futuristic skyscrapers beyond the proportions of earlier eras. But for as long cities bear the brunt of the world’s population growth, explorations of verticality will continue.
Mar 5, 2014 Sourceable
There are few hot buttons in planning conversation like the word “density.” One writer in San Diego claims that the breakdown inspired by the term originates from concerns with cars, not buildings.
Feb 3, 2014 Voice of San Diego
An upcoming report by the Association of Bay Area Governments projects the city of San Francisco to add a record-breaking number of residents by 2040. The SF Examiner is running a week-long series exploring the impacts of the expected growth.
Jan 7, 2014 San Francisco Examiner
Since it was passed in 2006, Toronto's growth has largely gone according to its Official Plan, with new development clustered in key areas of the city. But the city's chief planner and others fear some areas are in danger of becoming "hyperdense".
Dec 27, 2013 The Globe and Mail