Title: Resident Population in Mercer County, PA Series ID: PAMERC5POP 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 1:56 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 1970-01-01 127.225 1971-01-01 129.100 1972-01-01 130.400 1973-01-01 128.900 1974-01-01 128.400 1975-01-01 128.900 1976-01-01 129.200 1977-01-01 128.500 1978-01-01 127.200 1979-01-01 127.900 1980-01-01 128.299 1981-01-01 127.570 1982-01-01 127.173 1983-01-01 126.731 1984-01-01 125.358 1985-01-01 123.346 1986-01-01 122.943 1987-01-01 121.816 1988-01-01 120.744 1989-01-01 120.866 1990-01-01 121.018 1991-01-01 121.389 1992-01-01 121.740 1993-01-01 121.874 1994-01-01 121.525 1995-01-01 121.633 1996-01-01 121.771 1997-01-01 121.576 1998-01-01 121.227 1999-01-01 120.749 2000-01-01 120.236 2001-01-01 119.813 2002-01-01 119.361 2003-01-01 119.226 2004-01-01 118.793 2005-01-01 118.161 2006-01-01 117.594 2007-01-01 117.230 2008-01-01 116.612 2009-01-01 116.194 2010-01-01 116.607 2011-01-01 116.169 2012-01-01 115.660 2013-01-01 115.162 2014-01-01 114.724 2015-01-01 113.684 2016-01-01 112.651 2017-01-01 111.526 2018-01-01 110.575 2019-01-01 109.296 2020-01-01 110.550 2021-01-01 109.958 2022-01-01 109.137 2023-01-01 108.503