“Urban centers that have been traditional favorites for young singles, such as Chicago, Boston, New York, Los Angeles and San Francisco, have experienced below-average job and population growth since 2000. San Francisco and Chicago lost population during that period; even immigrant-rich New York City and Los Angeles County have shown barely negligible population growth in the last two years, largely due to a major out-migration of middle class families….
“There is a basic truth about the geography of young, educated people. They may first migrate to cities like New York, Los Angeles, Boston or San Francisco. But they tend to flee when they enter their child-rearing years. Family-friendly metropolitan regions have seen the biggest net gains of professionals, largely because they not only attract workers, but they also retain them through their 30s and 40s.”
— Joel Kotkin, writing in The Wall Street Journal