Kings district NY-03 is according to the Cook Political Report voting more Democratic than the nation in presidential races. NY-03 is a D+2 which means the district voted 2% more Democratic than the rest of the country.
The Cook Report defines its findings this way..
"2008 POTENTIALLY COMPETITIVE HOUSE RACE CHART
This chart separates incumbents into categories by their Cook Political Report PVI rating.
PVI: The Partisan Voting Index (PVI) is a measurement of how each district performs compared to the nation as a whole. The PVI listed here reflects the results of 2000 and 2004. A PVI score of D+2, for example, means that in the 2000 and 2004 Presidential election, the district per formed an average of two percentage points more Democratic than the nation as a whole, while an R+3 score means that the district per formed three points more Republican than did the nation."
See the report here (opens as .pdf)