Westchester is the wealthy suburban county just north of New York City, full of leafy towns where a lot of Manhattan goes home at night. White Plains is the county seat and main business hub.
The Metro-North lines tie it tightly to the city, which is much of the appeal. Rockefeller State Park Preserve, the old estates along the Hudson, and Kykuit, the Rockefeller mansion, give it real history.
Towns like Scarsdale and Bronxville rank among the most expensive addresses in the country.
About 25% of Westchester County homes heat with oil, according to the Census Bureau's American Community Survey. Compare local quotes to keep your costs down.