Question: Ferncroft country Club is owned by Affinity Management and located in Essex County Massachusetts. What is the total population of Essex County?

Context paragraphs:
Lewis, Vermont: Lewis is a town located in Essex County, Vermont.  The town was named for landholders Nathan, Sevignior and Timothy Lewis.  Although incorporated by the state, the town was never formally organized since it never gained a sufficiently large permanent population.  Since the 1910 census, the town has had a total population of zero.  It last reported a population of 8 in 1900 census.  The town's affairs are handled by the Unified Towns & Gores Of Essex County.

Essex County Trilogy: Essex County Trilogy is a collection of three graphic short stories set in Essex County, Ontario by Jeff Lemire published in 2011 by Top Shelf Productions.  The three short stories are "Tales from the Farm (2008)," "Ghost Stories (2008)," and "The Country Nurse (2009)."  Two other shorter stories titled "The Essex County Boxing Club" and "The Sad and Lonely Life of Eddie Elephant Ears" are also included.  The collection won the Alex Award, the Doug Wright Award, and the Joe Shuster Award It was also a 2011 selection for Canada Reads: The Essential Canadian Novels of the Decade.  In addition, "Essex County" provided Jeff Lemire with a Harvey Award nomination for Best New Talent in 2008.

Essex County, Massachusetts: Essex County is a county in the northeastern part of the U.S. state of Massachusetts.  As of the 2010 census, the total population was 743,159, making it the third-most populous county in Massachusetts.  It is part of the Greater Boston area (the Boston–Cambridge–Newton, MA–NH Metropolitan Statistical Area).  The largest city in Essex County is Lynn.  The county was named after the English county of Essex.

Canoe Brook Country Club: Canoe Brook Country Club is a private, member-owned 36-hole country club located in both Summit, Union County, New Jersey and Short Hills, Essex County, New Jersey that was founded in 1901.  Both of Canoe Brook's courses have been extensively renovated by Rees Jones whom the club credits as its designer.

Essex County Resource Recovery Facility: The Essex County Resource Recovery Facility, also known as Covanta Essex, is a waste-to-energy incineration power station in Essex County, New Jersey, United States.  Opened in 1990, it is owned by the Port Authority of New York and New Jersey (PANYNJ) and operated by Covanta Energy.  It is located adjacent to the New Jersey Turnpike between Raymond Boulevard and the Passaic River in Newark.

Essex County Airport: Essex County Airport (IATA: KCDW, ICAO: CDW) , informally "Caldwell Airport", is a public use airport located in Fairfield Township, Essex County, New Jersey, two nautical miles (4 km) north of the central business district of Caldwell, a borough of northwestern Essex County in the U.S. state of New Jersey.  It is owned by the Essex County Improvement Authority.  This facility is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation "reliever airport".

PING/Welch's Championship: The PING/Welch's Championship was an annual golf tournament for professional female golfers on the LPGA Tour.  Founded in 1980 as the Boston Five Classic, it took place every year in the Boston, Massachusetts area from 1980 through 1997.  It was played at the Ferncroft Country Club in Danvers from 1980 to 1990 and at the Blue Hill Country Club in Canton from 1991 to 1997.

Ferncroft Country Club: Ferncroft Country Club is a country club owned and operated by Affinity Management, located in Essex County, Massachusetts with portions of the club's grounds in the towns of Middleton, Topsfield and Danvers.  The club's entrance is at 10 Village Road in Middleton.

Tappahannock–Essex County Airport: Tappahannock–Essex County Airport (ICAO: KXSA, FAA LID: XSA) is a public-use airport located five nautical miles (9 km) south of the central business district of Tappahannock, a town in Essex County, Virginia, United States.  It is owned by the Tappahannock Essex County Airport Authority.

Lawrence, Massachusetts: Lawrence is a city in Essex County, Massachusetts, United States, on the Merrimack River.  As of the 2010 census, the city had a population of 76,377, which had risen to an estimated 78,197 as of 2014.  Surrounding communities include Methuen to the north, Andover to the southwest, and North Andover to the southeast.  Lawrence and Salem are the county seats of Essex County.  Lawrence is part of the Merrimack Valley.

Supporting paragraphs: Ferncroft Country Club Essex County, Massachusetts
Answer: 743,159