Census data shows large shifts for LI, city

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New U.S. Census Bureau data show large shifts of Long Island residents between Nassau and Suffolk and other counties in the metro New York City area, mirroring a national trend.

The data released Thursday, on the number of people who moved into a different county over the course of a year, also show that two Florida counties -- Palm Beach and Broward -- were among the top 10 counties to which residents from Nassau and Suffolk moved. Other counties outside New York State in the top 10 include Mecklenberg County, N.C., and Maricopa County, Ariz.

"Many of the flows appear to be an out-migration from counties that hold major cities into their neighboring counties," bureau statistician Megan Benetsky reported in a "working paper" on the county-to-county shifts. "Essentially, there seems to be more movement out of counties with cities and into neighboring counties, a common occurrence."

The one-year migration figures were derived from the bureau's American Community Survey estimates for 2007-11.

Locally, Queens topped the list for sending the most people to Nassau County, with 10,535. Rounding out the top five counties sending the most people to Nassau were Suffolk, with 3,794; Kings County, the county name for Brooklyn, 2,402; New York County, which refers to Manhattan, 1,915; and Bronx County, 376.

The top five counties sending people to Suffolk were Nassau, 9,520; Queens, 3,867; Kings, 1,433; New York County, 1,157; and Los Angeles County, Calif., 457.

The data also showed the effect of international migration, with Asia topping the list for both Nassau, at 2,857 people, and Suffolk, with 1,946.

Long Island and other parts of New York long have been losing residents to the West and South, particularly Florida.

The census bureau report noted that Maricopa County, which contains the city of Phoenix, merited special mention. Out of all the nation's counties, it both gained people moving from the largest number of counties -- at 957 -- and lost people to the largest collection of counties -- at 1,190.

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The survey depicts migration patterns by showing the county of current residence, and the county of residence one year ago.

Benetsky said the five-year aggregation of American Community Survey data allows researchers to analyze migration patterns of smaller geographies, such as the counties, with more accuracy. The multiyear data are pooled to provide the single-year interpretation.

Previously, the county-to-county migration flows were released every 10 years, using the decennial census.

In 2012, the bureau released the first migration flow estimates using American Community Survey estimates for 2005-09. The ACS survey of 2007-11 for the first time included county-to-county migration flows that were cross-tabulated by educational attainment, individual income and household income.

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