Question: According to the 2010 census, what was the population of the city in which The Confederate Monument in Cynthiana is located?

Context paragraphs:
Huaihua: Huaihua () is a prefecture-level city in the south western Hunan, China.  it covers 27,564 km2 and is bordered by Xiangxi to the northern west; Zhangjiajie, Changde to the north; Yiyang, Loudi and Shaoyang to the east; Guilin and Liuzhou of Guangxi to the south; Qiandongnan, Tongren of Guizhou to the southern west.  It has 4,741,948 of population (2010 census), shares 7.22% of the province.  According to 2010 Census, there are 2,909,574 Han Chinese, Han shares 61.4% of the population, 1,832,289 population of minorities, 38.6%; Dong, Miao, Tujia, Yao and Bai are major native minorities.  Huaihua is the central region of Dong ethnic population, there lives 816,481 Dong people (2010 census), it shares 28.35 per centage of Chinese Dong ethnic group.

Mankato, Minnesota: Mankato ( ) is a city in Blue Earth, Nicollet, and Le Sueur counties in the state of Minnesota.  It is the 22nd biggest city in Minnesota.  The population was 41,044 according to 2015 US census estimates, making it the fifth largest city in Minnesota outside of the Minneapolis–Saint Paul metropolitan area.  The county seat of Blue Earth County, it is located along a large bend of the Minnesota River at its confluence with the Blue Earth River.  Mankato is across the Minnesota River from North Mankato.  Mankato and North Mankato have a combined population of over 53,000, according to the 2010 census.  It completely encompasses the town of Skyline.  North of Mankato Regional Airport, a tiny non-contiguous part of the city is located within Le Sueur County.  Most of the city of Mankato is located within Blue Earth County.

Harrison County, Kentucky: Harrison County is a county located in the U.S. state of Kentucky.  As of the 2010 census, the population was 18,846.  Its county seat is Cynthiana.  The county was founded in 1793 and named for Colonel Benjamin Harrison, an advocate for Kentucky statehood, framer of the Kentucky Constitution, and Kentucky legislator.

Murrieta, California: Murrieta is a city in southwestern Riverside County, California, United States.  The population of Murrieta was 103,466 at the 2010 census.  Murrieta experienced a 133.7% population increase between 2000 and 2010, according to the most recent census, making Murrieta one of the fastest growing cities in the state.  This population boom in 2010 surpassed the population of the historically larger and more commercial city of Temecula to the south for the first time since the incorporation of either city.  Temecula and Murrieta together form the southwestern anchor of the Inland Empire region.  The Murrieta-Temecula-Menifee Urban Area had a population of 441,546 at the 2010 Census.  Largely residential in character, Murrieta is typically characterized as a commuter town, with many of its residents commuting to jobs in San Diego County, Orange County, Los Angeles County, Temecula, and Camp Pendleton.

Cynthiana, Kentucky: Cynthiana is a home rule-class city in Harrison County, Kentucky, in the United States.  The population was 6,402 at the 2010 census.  It is the seat of its county.

Gaffney, South Carolina: Gaffney is a city in and the seat of Cherokee County, South Carolina, United States, in the Upstate region of South Carolina.  Gaffney is known as the "Peach Capital of South Carolina".  The population was 12,539 at the 2010 census, with an estimated population of 12,597 in 2014.  It is the principal city of the Gaffney, South Carolina, Micropolitan Statistical Area (population 55,662 according to 2012 estimates by the U.S. Census Bureau), which includes all of Cherokee County and which is further included in the greater Greenville-Spartanburg-Anderson, South Carolina Combined Statistical Area (population 1,384,996 according to year 2012 U.S. Census Bureau estimates).

Casa Grande, Arizona: Casa Grande (O'odham: "Wainom Wo:g") is a city in Pinal County, approximately halfway between Phoenix and Tucson in the U.S. state of Arizona.  According to the 2010 census, the population of the city is 48,571.  It is named after the Casa Grande Ruins National Monument, which is actually located in Coolidge.  "Casa Grande" is Spanish for "big house".

Confederate Monument in Cynthiana: The Confederate Monument in Cynthiana is located on the outer edge of Cynthiana, Kentucky in Battle Grove Cemetery.  It was the first monument to the Confederate States of America dedicated in the State of Kentucky, and long believed to be the first Confederate memorial anywhere.  Due to the 32nd Indiana Monument having been moved from its original location, the Cynthiana monument is the oldest monument still standing at its original location, located where the second Battle of Cynthiana started, in the then-new town cemetery.

Union, South Carolina: The city of Union is the county seat of Union County, South Carolina, United States.  The population was 8,393 at the 2010 census.  It is the principal city of the Union Micropolitan Statistical Area (population 28,961 according to 2010 Census), an (MSA) which includes all of Union County and which is further included in the greater Greenville-Spartanburg-Anderson, South Carolina Combined Statistical Area (population 1,266,995 according to the 2010 Census).

Altoona, Pennsylvania: Altoona is a city in Blair County, Pennsylvania, United States.  It is the principal city of the Altoona Metropolitan Statistical Area (MSA).  The population was 46,320 at the time of the 2010 Census, making it the eleventh most populous city in Pennsylvania.  The Altoona MSA includes all of Blair County and was recorded as having a population of 127,089 at the 2010 Census, around 100,000 of whom live within a 5 mi radius of the Altoona city center according to U.S. Census ZIP Code population data.  This includes the adjacent boroughs of Hollidaysburg and Duncansville, adjacent townships of Logan, Allegheny, Blair, Frankstown, Antis, and Tyrone, as well as nearby boroughs of Bellwood and Newry.

Supporting paragraphs: Confederate Monument in Cynthiana Cynthiana, Kentucky
Answer: 6,402