Title: Resident Population in Middlesex County, CT Series ID: CTMIDD7POP 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 2021-01-01 Last Updated: 2022-03-24 11:19 AM 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 1970-01-01 115.018 1971-01-01 117.100 1972-01-01 119.500 1973-01-01 122.000 1974-01-01 124.100 1975-01-01 124.900 1976-01-01 125.200 1977-01-01 124.700 1978-01-01 126.700 1979-01-01 128.400 1980-01-01 129.017 1981-01-01 130.091 1982-01-01 130.084 1983-01-01 131.028 1984-01-01 133.347 1985-01-01 134.191 1986-01-01 135.581 1987-01-01 138.446 1988-01-01 140.714 1989-01-01 142.431 1990-01-01 143.514 1991-01-01 144.146 1992-01-01 144.486 1993-01-01 145.617 1994-01-01 146.682 1995-01-01 148.119 1996-01-01 148.995 1997-01-01 150.377 1998-01-01 151.806 1999-01-01 153.340 2000-01-01 155.655 2001-01-01 157.067 2002-01-01 159.257 2003-01-01 160.918 2004-01-01 161.461 2005-01-01 162.125 2006-01-01 163.380 2007-01-01 164.112 2008-01-01 165.001 2009-01-01 165.687 2010-01-01 165.624 2011-01-01 166.199 2012-01-01 165.677 2013-01-01 165.390 2014-01-01 164.857 2015-01-01 163.809 2016-01-01 163.403 2017-01-01 163.058 2018-01-01 163.053 2019-01-01 162.538 2020-01-01 163.923 2021-01-01 164.759