Population estimates for Nassau and Suffolk

Suffolk County experienced a third year of population loss in 2016, down to 1,492,583, while Nassau continued to rise, to 1,361,500, according to the latest annual estimates from the Census Bureau. Here are details on the population shift for each county; to temporarily remove one county from the chart, click on the county name in the legend below any chart. And here’s a story about the population data.

The overall population — Nassau is up and Suffolk is down

A closer look — the net changes for each county

People are leaving both counties, but more are doing so in Suffolk

Change in population from people who moved in or out of the county.

Suffolk’s birth rate has fallen, overtaken by Nassau

The average annual number of births per 1,000 population at midyear.

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