Question: What was the population at the 2010 census of the city where Lockport Industrial District is located?
Context: Yemelyanovsky District (Russian: Емель́яновский райо́н ) is an administrative and municipal district (raion), one of the forty-three in Krasnoyarsk Krai, Russia.  It is located in the southern central part of the krai and borders with Bolshemurtinsky District in the north, Sukhobuzimsky District in the northeast, Beryozovsky District and the territory of the krai city of Krasnoyarsk in the east, Balakhtinsky District in the south, Kozulsky District in the west, and with Birilyussky District in the northwest.  The area of the district is 7441 km2 .  Its administrative center is the urban locality (an urban-type settlement) of Yemelyanovo.  Population: 51,159 (2011 est.);  (2010 Census) ; 45,656 (2002 Census);  (1989 Census) The population of Yemelyanovo accounts for 23.6% of the district's total population. Novgorodsky District (Russian: Новгородский район ) is an administrative and municipal district (raion), one of the twenty-one in Novgorod Oblast, Russia.  It is located in the southwest of the oblast and borders with Tosnensky District of Leningrad Oblast in the north, Chudovsky District in the northeast, Malovishersky District in the east, Krestetsky District in the southeast, Shimsky District in the southwest, Batetsky District in the west, and with Luzhsky District of Leningrad Oblast in the northwest.  In the south, the district is limited by Lake Ilmen.  The area of the district is 4600 km2 .  Its administrative center is the city of Veliky Novgorod (which is not administratively a part of the district).  Population:  (2010 Census) ; 58,622 (2002 Census);  (1989 Census) In terms of both area and population, this is the largest district in Novgorod Oblast. Odintsovsky District (Russian: Одинцо́вский райо́н ) is an administrative and municipal district (raion), one of the thirty-six in Moscow Oblast, Russia.  It is located in the western central part of the oblast and borders with the federal city of Moscow in the east, Leninsky District in the southeast, Naro-Fominsky District in the south, Ruzsky District in the west, Istrinsky District in the north, and with Krasnogorsky District in the northeast.  The area of the district is 1289.628 km2 .  Its administrative center is the city of Odintsovo.  Population: 316,696 (2010 Census);  (2002 Census) ;  (1989 Census) The population of Odintsovo accounts for 43.9% of the district's total population. Partizansky District (Russian: Партиза́нский райо́н ) is an administrative and municipal district (raion), one of the twenty-two in Primorsky Krai, Russia.  It is located in the south of the krai and borders with Chuguyevsky District in the north and northeast, Lazovsky District in the east, the territory of Nakhodka City Under Krai Jurisdiction and the Sea of Japan in the south, the territory of Partizansk Town Under Krai Jurisdiction and Shkotovsky District in the west, and with Anuchinsky District in the northwest and north.  The area of the district is 4253.9 km2 .  Its administrative center is the rural locality (a "selo") of Vladimiro-Alexandrovskoye.  Population:  (2010 Census) ;  (2002 Census) ;  (1989 Census) The population of Vladimiro-Alexandrovskoye accounts for 18.9% of the district's total population. New Castle Area School District is a public school district located in Lawrence County, Pennsylvania.  The district serves the city of New Castle and Taylor Township.  New Castle Area School District encompasses approximately 13 sqmi .  According to 2007 local census data, it served a resident population of 26,464.  The 2010 census found the population declined to 24,286 people.  In 2009, the district residents’ per capita income was $13,801, while the median family income was $33,004.  In the Commonwealth, the median family income was $49,501 and the United States median family income was $49,445, in 2010.  In the school year 2007-08, New Castle Area School District reported providing basic educational services to 3,430 pupils through the employment of: 263 teachers, 234 full-time and part-time support personnel, and 17 administrators.  New Castle Area School District received more than $27.7 million in state funding in school year 2007-08.  In the 1960s the District operated eight elementary schools serving a population of 9,000 students. Lockport is a city in Niagara County, New York, United States.  The population was 21,165 at the 2010 census.  It is so named from a set of Erie Canal locks within the city.  Lockport is the county seat of Niagara County and is surrounded by the town of Lockport.  It is part of the Buffalo–Niagara Falls Metropolitan Statistical Area. Beryozovsky District (Russian: Берёзовский райо́н ) is an administrative and municipal district (raion), one of the forty-three in Krasnoyarsk Krai, Russia.  It is located in the south of the krai and borders with Sukhobuzimsky District in the north, Rybinsky District in the east, Uyarsky District in the southeast, Mansky District in the south, Balakhtinsky District in the southwest, and with Yemelyanovsky District and the territory of the krai city of Krasnoyarsk in the west.  The area of the district is 4244 km2 .  Its administrative center is the urban locality (an urban-type settlement) of Beryozovka.  Population:  (2010 Census) ;  (2002 Census) ;  (1989 Census) The population of Beryozovka accounts for 55.2% of the district's total population. Lockport Industrial District is a national historic district located at Lockport in Niagara County, New York.  The district features the two sets of Erie Canal locks constructed in 1859 and in 1909-1918, respectively known as the Northern Tier and Southern Tier.  Also in the district are the remains of industrial buildings built along the related hydraulic raceway along the north side of the canal. Lazarevsky City District (Russian: Лазаревский райо́н ) is one of four city districts of the city of Sochi in Krasnodar Krai, Russia.  The city district borders Tuapsinsky District in the northwest, Apsheronsky District in the north, Maykopsky District of the Republic of Adygea in the northeast, Khostinsky City District in the east, and Tsentralny City District in the south.  The administration of the district is located in Lazarevskoye Microdistrict.  In the southwest, it is bordered by the Black Sea.  Population:  (2010 Census) ;  (2002 Census) ;  (1989 Census) Stickney is a village in Cook County, Illinois, United States.  The village is named for Alpheus Beede Stickney, a railroad executive who played a central role in establishing the Clearing Industrial District.  The population was 6,786 at the 2010 census.  It was well known in the 1920s and early 1930s as the home for several bordellos linked to mobster Al Capone's empire.
Answer: 21,165