Question: The county in Kentucky containing Peytona had how many people in its population in the 2010 census?
Context: Putnam Valley is a town in Putnam County, New York, United States.  The population was 11,809 at the 2010 census.  Its location is northeast of New York City, in the southwest part of Putnam County.  Many people live in Putnam Valley and commute to New York City daily for work or recreational purposes (Midtown Manhattan is around a forty five to fifty minute drive).  Putnam Valley calls itself the "Town of Lakes". London is a home rule-class city in Laurel County, Kentucky, in the United States.  It is the seat of its county.  The population was 7,993 at the time of the 2010 U.S. census.  London, Kentucky, is the second-largest city named London in the United States and the fourth-largest in the world.  It is part of the London, Kentucky micropolitan area.  Of the seventeen micropolitan areas in Kentucky, London is the largest; the London micropolitan area's 2010 Census population was 126,369.  London is also home to the annual World Chicken Festival that celebrates the life of Colonel Sanders and features the world's largest skillet. Arkhipo-Osipovka (Russian: Архи́по-О́сиповка ) is a rural locality (a "selo") and a Black Sea resort under the jurisdiction of the Town of Gelendzhik in Krasnodar Krai, Russia.  Arkhipo-Osipovka (many people call this place Arkhipka) is located 50 kilometers away from the city of Gelendzhik.  This place has one of the softest climates on the Russian sea coast.  Population:  (2010 Census) ;  (2002 Census) ;  (1989 Census) Chapin, popularly known as the capital of Lake Murray, is a town located at the northern tip of Lexington County, South Carolina bordering Newberry County, South Carolina to the south.  Lake Murray separates Chapin from the rest of Lexington County.  Chapin is located approximately 22 miles northwest of Columbia and many people commute there for work, however, the town is considered fringe rural by the US postal service.  Chapin is known for its charm and southern hospitality and is consistently rated in the Top 10 places to live in South Carolina.  Chapin was founded by Martin Chapin in 1889.  The following year, 1890, the railroad was built to connect Chapin to Columbia, South Carolina and other major regions.  The population of Chapin was 1,445 according to the 2010 census, however, the population of the area with a Chapin mailing address, which is all known as Chapin by local people, is 6,742.  The town government is set up in the Mayor-Council form and the current Chapin mayor is J. Robert (Skip) Wilson.  Chapin has four public schools in the area; the first Chapin school was built in 1924.  Lake Murray is the main attraction to Chapin and provides recreational boaters with water-related entertainment. Peytona is an unincorporated community within Shelby County, Kentucky, United States.  Its post office is closed. Lexington is a city in and the county seat of Holmes County, Mississippi, United States.  The county was organized in 1833 and the city in 1836.  The population was 1,731 at the 2010 census, down from 2,025 at the 2000 census.  The estimated population in 2016 was 1,573.  It has declined with the growth of industrial agriculture.  Many people have left the rural county to seek work elsewhere. Shelby County is a county located in the U.S. state of Kentucky.  As of the 2010 census, the population was 42,074.  The county seat is Shelbyville.  The county was founded in 1792 and named for Isaac Shelby, the first Governor of Kentucky. Union County is a county in the U.S. state of New Jersey.  As of the 2016 Census estimate, the county's population was 555,630, making it the seventh-most populous of the state's 21 counties, an increase of 3.6% from the 2010 United States Census, when its population was enumerated at 536,499, in turn an increase of 13,958 (2.7%) from the 522,541 enumerated in the 2000 Census.  In 2010, Union County slipped to the seventh-most populous county in the state, having been surpassed by Ocean County.  Union County is part of the New York metropolitan area.  Its county seat is Elizabeth.  The Bureau of Economic Analysis ranked the county as having the 119th-highest per capita income of all 3,113 counties in the United States (and the eighth-highest in New Jersey) in 2009.  A study by Forbes.com determined that Union County pays the second-highest property taxes of all U.S. counties, based on 2007 data.  With a population density of 4,955 people per square mile (water excluded), Union County was the 15th-most densely populated county in America as of the 2010 Census, and third-densest in New Jersey, behind Hudson County (ranked 6th nationwide at 9,754 per square mile) and Essex County (ranked 11th at 6,126). Clayton is a city in Clayton County, Iowa, United States.  The population was 43 at the 2010 census, down from 55 at the 2000 census.  Clayton is located directly on the Mississippi River and is only accessible by a very steep road.  Many people have summer homes in Clayton due to its proximity to the Mississippi River. New Baltimore is an unincorporated community and census-designated place (CDP) in eastern Fauquier County, Virginia, United States.  The population as of the 2010 census was 8,119.  The community has existed since the early 19th century, but it has had its most significant growth since the 1980s.  It is the portion of Fauquier County with the easiest access to Washington, D.C., and as a result, many people who live in New Baltimore commute into DC.  Other major communities close to New Baltimore are Warrenton, Gainesville/Haymarket area, and Manassas.  The area officially considered to be New Baltimore expanded significantly in 2006 with Fauquier County's designation of service districts, of which New Baltimore is one.  The service district designation provides added access to utilities such as water and sewer, and targets the area for growth.
Answer: 42,074