Across the District, residents see many neighborhoods thriving as they haven’t in decades, but depending on their income and race, Washingtonians often see that boom benefiting different groups. What many residents do agree on is that the city’s mayor and other elected officials have little ability to ensure that the new prosperity will lift all boats.

Whether Bloomingdale’s new economic reality — house prices have tripled on some blocks over the past decade — is a result of city policy, a cultural shift toward urban centers or the District’s relatively solid job market even through the recession, Washingtonians of all incomes, races and ages agree that their neighborhood is a good place to live.

In a new Washington Post poll, a majority of D.C. residents say their neighborhood has gotten better in recent years — the first time in 26 years of polling that a majority has expressed such optimism. But there is also broad consensus that the city’s surging population, rising affluence and diminished crime are ultimately good for people with money and of little benefit to those without.

After a decade of frenetic demographic change — the population of Bloomingdale’s Zip code, 20001, went from 6 percent white in 2000 to 33 percent white in 2010 — Washingtonians’ views about gentrification are polarized along racial and economic lines...........................