Located on the southern edge of the Bakken formation, Dickinson is going through similar growth as Williston.
In fact, out of all metro areas -- large and small -- last year, Williston is the only place in the country where the population grew faster.
Here, too, the influx of job seekers has left the city short on housing. Rents have nearly doubled in three years, with two-bedroom apartments going for $1,600 or more a month.
The number of building permits for single-family homes, more than quadrupled in 2012. "Usually, winter halts construction," said city administrator, Shawn Kessel. "But we've had two pretty mild winters in a row and construction never did stop."
From Los Altos, Calif. to Brooklyn, N.Y., these 20 cities had the highest number of home sales exceeding $1 million during the 12 months ended June 30, 2013.