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.
Davenport is the county seat of Scott County in Iowa and is the largest of the Quad Cities, a metropolitan area with a population estimate of 382,630 and a CSA population of 474,226, making it the 90th largest CSA in the nation.
 Davenport was founded on May 14, 1836 by Antoine Le Claire and was named for his friend, George Davenport, a colonel during the Black Hawk War stationed at nearby Fort Armstrong.
 According to the 2010 census, the city had a population of 99,685 (making it Iowa's third-largest city).
 However, the city is currently appealing this figure, arguing that the Census Bureau missed a section of residents that would place the total population over 100,000, and indeed, even the Census Bureau's own "estimate" for Davenport's 2011 population is 100,802.
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.
The George Lewis Seaton House, located at 404 South Royal Street in Alexandria, Virginia and listed in the National Register of Historic Places, is the former home of George Lewis Seaton, a nineteenth-century African-American civic and political leader.
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.
White House is a city in Robertson and Sumner counties in the United States state of Tennessee.
 The population was 7,220 at the 2000 census.
 It is approximately twenty-two miles north of downtown Nashville.
 According to the city website a special census was conducted in 2008 that placed the city population at 9,891 residents, with 3,587 households within the city limits.
 The population was 10,255 at the 2010 census which showed growth of 3,000 people from 2000 to 2010.
 The 2013 population was 10,752.
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.
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).
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).
Alexandria is an independent city in the Commonwealth of Virginia in the United States.
 As of the 2010 census, the population was 139,966, and in 2016, the population was estimated to be 155,810.
 Located along the western bank of the Potomac River, Alexandria is approximately 7 mi south of downtown Washington, D.C.

Question: According to the 2010 census, what was the population of the city in which the George Lewis Seaton House is located?
Answer: 139,966