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'''Middlesex County''' is a county located in the [[Commonwealth (U.S. state)|Commonwealth]] of [[Massachusetts]], in the [[United States]]. As of the [[2020 United States census|2020 census]], the [[population]] was 1,632,002,<ref>{{cite web|url=https://data.census.gov/cedsci/profile?g=0500000US25017|title=Census - Geography Profile: Middlesex County, Massachusetts|publisher=[[United States Census Bureau]]|access-date=November 14, 2021|archive-date=November 15, 2021|archive-url=https://web.archive.org/web/20211115032626/https://data.census.gov/cedsci/profile?g=0500000US25017|url-status=live}}</ref> making it the most populous county in both Massachusetts and [[New England]] and the [[List of the most populous counties in the United States|22nd most populous county in the United States]]. Middlesex County is one of two U.S. counties (along with [[Santa Clara County, California]]) to be amongst the top 25 counties with the highest household income and the 25 most populated counties. It is included in the Census Bureau's [[Boston]]–[[Cambridge, Massachusetts|Cambridge]]–[[Newton, Massachusetts|Newton]], MA–[[New Hampshire|NH]] [[Greater Boston|Metropolitan Statistical Area]]. As part of the [[2020 United States census]], the Commonwealth's mean [[center of population]] for that year was [[Geographic coordinate system|geo-centered]] in Middlesex County, in the town of [[Natick, Massachusetts|Natick]]<ref>{{Cite web |date=April 1, 2020 |title=STATEFP,STNAME,POPULATION,LATITUDE,LONGITUDE |url=https://www2.census.gov/geo/docs/reference/cenpop2020/CenPop2020_Mean_ST.txt |access-date=October 20, 2022 |website=[[United States Census Bureau]] |archive-date=April 1, 2022 |archive-url=https://web.archive.org/web/20220401024320/https://www2.census.gov/geo/docs/reference/cenpop2020/CenPop2020_Mean_ST.txt |url-status=live }}</ref>{{Efn|That center was at ''{{coord|42.273659|-71.350366}}''.}} (this is not to be confused with the [[geographic center]] of Massachusetts, which is in [[Rutland, Massachusetts|Rutland]], [[Worcester County, Massachusetts|Worcester County]]).
On July 11, 1997, Massachusetts abolished the executive government of Middlesex County primarily due to the county's [[insolvency]].<ref>{{Cite journal|url=https://vc.bridgew.edu/cgi/viewcontent.cgi?article=1279&context=undergrad_rev|first=Brendan|last=Concannon|publisher=Undergraduate Review|access-date=July 31, 2023|date=2014|title=Massachusetts County Government: A Viable Institution?|volume=10|pages=55–62}}</ref> Middlesex County continues to exist as a geographic boundary<ref name="MGL34B">{{MassGenLaws|34B}}</ref> and is used primarily as district jurisdictions within the court system and for other administrative purposes; for example, as an [[election]] district. The [[National Weather Service]] weather alerts (such as [[severe thunderstorm warning]]) continue to localize based upon Massachusetts's counties.
==References==
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