Baby boomers may make up roughly one-quarter of the U.S. population, but some metro areas have far smaller shares of boomers than others. While some cities may have simply attracted few from this generation, many also simply have attracted large numbers of younger adults, making for smaller boomer populations. These are the 10 metro areas (population 300,000 or greater) with the lowest concentrations of baby boomers.
10. Fresno, Calif.