NOTE: THIS DATA FILE WILL CHANGE! To improve accessibility of data for all users, we will convert this file from a text format to an html table by the end of June 2024. Title: Resident Population in Lancaster County, PA Series ID: PALANC0POP 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 1970-01-01 320.079 1971-01-01 327.200 1972-01-01 332.200 1973-01-01 336.800 1974-01-01 340.200 1975-01-01 344.800 1976-01-01 347.400 1977-01-01 351.100 1978-01-01 354.700 1979-01-01 359.300 1980-01-01 362.346 1981-01-01 366.979 1982-01-01 370.992 1983-01-01 376.234 1984-01-01 380.892 1985-01-01 385.245 1986-01-01 392.339 1987-01-01 401.773 1988-01-01 410.152 1989-01-01 417.585 1990-01-01 424.947 1991-01-01 431.229 1992-01-01 435.886 1993-01-01 441.056 1994-01-01 446.254 1995-01-01 451.817 1996-01-01 455.783 1997-01-01 460.085 1998-01-01 464.272 1999-01-01 467.879 2000-01-01 471.872 2001-01-01 474.494 2002-01-01 478.226 2003-01-01 482.223 2004-01-01 485.935 2005-01-01 489.529 2006-01-01 494.611 2007-01-01 499.571 2008-01-01 504.057 2009-01-01 507.814 2010-01-01 520.325 2011-01-01 523.996 2012-01-01 526.949 2013-01-01 530.109 2014-01-01 533.414 2015-01-01 535.960 2016-01-01 538.303 2017-01-01 541.352 2018-01-01 543.960 2019-01-01 545.441 2020-01-01 552.821 2021-01-01 556.292 2022-01-01 556.660 2023-01-01 558.589