At the vanguard are the hilltop youth, teenagers like Yedidya, who work to complicate the demographic map ever more.
It has also been played out in towns and villages in the west of the country, redrawing the demographic map.
Take a demographic map of Westchester, and then overlay it with one showing those necessary but undesirable systems producing energy, processing garbage and treating waste.
The latest United Nations population figures provide a dramatic glimpse of how the demographic map of the planet is being reshaped.
After the Spanish-American War, as a mutating demographic map of the city shows, Spanish-speaking populations in New York grew to 2,342,000 from 14,000 in 1910.
This is not a story about the Obama campaign's strategy or Mitt Romney's failures as a presidential candidate — the demographic maps for 2004 and 2008 look very similar.
Like previous generations of refugees, the Syrians are quickly developing ties to their surrounding areas, increasing fears that they will stay and that their huge numbers will cause a sudden, and potentially destabilizing, redrawing of the demographic map.
"I think the 400h will be the beginning of taking the hybrid and plotting it all over the demographic map versus what we've seen so far," said Lindsay Brooke, senior analyst of CSM Worldwide, adding that automakers have planned 20 new hybrid models by the 2007 model year.
The city is about sixty per cent black, but its segregation is so complete and hard-edged that a demographic map would show a series of white neighborhoods (Chevy Chase, Spring Valley, Cleveland Park, Georgetown, and so on) mostly to the northwest and separated from the rest of it by a large park.
