The early returns from Census 2000 data show that the United States continued to undergo dynamic changes in the 1990s, with cities and suburbs providing the locus of most of the volatility. Metropolitan areas are growing more diverseespecially with the influx of new immigrantsthe population is aging, and the make-up of households is shifting. Singles and empty-nesters now surpass families with children in many suburbs. The contributors to this book review data on population, race and ethnicity, and household composition, provided by the Census's "short form," and attempt to respond to...