Title: Resident Population in Nassau County, NY Series ID: NYNASS9POP Source: U.S. Census Bureau Release: Annual Estimates of the Population for Counties (Not a Press Release) Seasonal Adjustment: Not Seasonally Adjusted Frequency: Annual Units: Thousands of Persons Date Range: 1970-01-01 to 2023-01-01 Last Updated: 2024-03-14 1:55 PM CDT Notes: Data for "Resident Population" are estimates as of July 1. Data for 1970, 1980, 1990, and 2000 are annual census. Population estimates are updated annually using current data on births, deaths, and migration to calculate population change since the most recent decennial census. The annual time series of estimates begins with the most recent decennial census data and extends to the vintage year. Each vintage of estimates includes all years since the most recent decennial census. DATE VALUE 1970-01-01 1428.838 1971-01-01 1418.400 1972-01-01 1407.200 1973-01-01 1386.300 1974-01-01 1354.600 1975-01-01 1351.400 1976-01-01 1342.300 1977-01-01 1330.500 1978-01-01 1320.700 1979-01-01 1314.300 1980-01-01 1321.582 1981-01-01 1314.360 1982-01-01 1314.841 1983-01-01 1322.686 1984-01-01 1319.985 1985-01-01 1314.652 1986-01-01 1309.416 1987-01-01 1304.812 1988-01-01 1303.266 1989-01-01 1296.335 1990-01-01 1286.905 1991-01-01 1293.072 1992-01-01 1299.575 1993-01-01 1304.543 1994-01-01 1308.489 1995-01-01 1312.950 1996-01-01 1315.799 1997-01-01 1318.211 1998-01-01 1322.950 1999-01-01 1330.815 2000-01-01 1336.240 2001-01-01 1342.776 2002-01-01 1349.739 2003-01-01 1354.302 2004-01-01 1356.839 2005-01-01 1355.355 2006-01-01 1351.809 2007-01-01 1353.061 2008-01-01 1353.578 2009-01-01 1357.821 2010-01-01 1341.642 2011-01-01 1346.207 2012-01-01 1349.753 2013-01-01 1352.355 2014-01-01 1354.851 2015-01-01 1354.987 2016-01-01 1356.067 2017-01-01 1357.260 2018-01-01 1357.423 2019-01-01 1356.073 2020-01-01 1390.491 2021-01-01 1391.809 2022-01-01 1385.294 2023-01-01 1381.715