The decade between 1990 and 2000 brought renewed growth to both counties. Nassau grew by 3.7% and Suffolk by 7.3%. For Nassau, this growth was the first experienced in two decades, while Suffolk more than doubled the growth realized between 1980 and 1990. As of January 1, 2006, the population of the Nassau-Suffolk region totaled 2.85 million persons.
This represents a 15,604 increase over our January 1, 2005 estimate. Contributing to population growth has been growing net-international immigration.
On January 1, 2006, our population estimate for Nassau was 1,351,660 persons. This total represents a growth of 3,303 persons above that estimated for January 1, 2005. The Town of Hempstead gained the most in population with an increase of 1,878 persons to bring its total
population to 763,822. Household growth in the hamlet of East Garden City contributed to three-quarters of this Town’s population growth.
The Town of North Hempstead increased by 1,034 persons. This gain brings this Town’s population to 223,870. Areas with high household growth were Great Neck Plaza, Port Washington North and Westbury.
Next, was the Town of Oyster Bay, which saw a 170 person increase. Household growth was distributed throughout the Town.
Nassau’s two cities, Glen Cove (population 27,342) and Long Beach (population 35,840), registered gains of 73 and 148 persons, respectively.
Our population estimate for Suffolk, on January 1, 2006, was 1,495,697 persons. This total is 12,301 above that reported in the 2005 Population Survey. All of the County’s ten towns experienced population gains. The Town of Brookhaven accounted for 5,717 of the County’s increase to lead all towns in numerical growth and remain Suffolk’s most populous town with an estimated 485,295 residents. Islip, Suffolk's second most p opulous town added 1,482 persons and now totals 332,484. Babylon, with an estimated population of 217,061 grew by 1,338 persons. Fourth in growth is Huntington which added 1,271 residents. The Town of
Riverhead’s population of 33,098 is 1,070 above last year’s estimate. Following are gains of 651 in Smithtown and Southampton’s 312 person gain. Next are Southold’s increase of 285 and East Hampton’s 131 person gain. Lastly, Shelter Island, Suffolk’s smallest town, added 44 residents
to total 2,483.
The five western towns - Huntington, Babylon, Islip, Smithtown, and Brookhaven, with a net increase of 10,459 persons, are now estimated to have a combined population of 1,357,212 persons. The County’s five eastern towns - Riverhead, Southampton, Southold, East Hampton,
and Shelter Island, netted an additional 1,842 persons. The combined population of the five eastern Towns is estimated to be 138,485 persons as of January 1, 2006.