Gentrified: to change (a place, such as an old neighborhood) by improving it and making it more appealing to people who have money.

Source: http://www.merriam-webster.com/dictionary/gentrified

“I Do neighborhoods that aren’t, like, all gentrified” from The New Yorker, “Who Knows Brooklyn?”

Brian Merlis is trying to explain how he collects photos from neighborhoods that retain the records from the type of ethnicity of residents.