paragraph_text: The Des Moines metropolitan area, officially known as the Des Moines -- West Des Moines, IA Metropolitan Statistical Area (MSA), consists of five counties in central Iowa, United States: Polk, Dallas, Warren, Madison, and Guthrie. The 2010 census population of these counties was 569,633, and the 2017 estimated population was 645,911.

paragraph_text: Vatican City (/ ˈvætɪkən ˈsɪti / (listen); Italian: Città del Vaticano (tʃitˈta ddel vatiˈkaːno); Latin: Civitas Vaticana), officially Vatican City State or the State of Vatican City (Italian: Stato della Città del Vaticano; Latin: Status Civitatis Vaticanae), is a country located within the city of Rome. With an area of approximately 44 hectares (110 acres), and a population of 1,000, it is the smallest state in the world by both area and population. However, formally it is not sovereign, with sovereignty being held by the Holy See.

paragraph_text: Tucson is located 118 mi (190 km) southeast of Phoenix and 60 mi (97 km) north of the United States - Mexico border. The 2010 United States Census puts the city's population at 520,116 with a metropolitan area population at 980,263. In 2009, Tucson ranked as the 32nd largest city and 52nd largest metropolitan area in the United States. A major city in the Arizona Sun Corridor, Tucson is the largest city in southern Arizona, the second largest in the state after Phoenix. It is also the largest city in the area of the Gadsden Purchase. As of 2015, The Greater Tucson Metro area has exceeded a population of 1 million.

paragraph_text: Houston (i/ˈhjuːstən/ HYOO-stən) is the most populous city in Texas and the fourth most populous city in the United States, located in Southeast Texas near the Gulf of Mexico. With a census-estimated 2014 population of 2.239 million people, within a land area of 599.6 square miles (1,553 km2), it also is the largest city in the Southern United States, as well as the seat of Harris County. It is the principal city of Houston–The Woodlands–Sugar Land, which is the fifth most populated metropolitan area in the United States.

paragraph_text: As of the 2010 United States Census, the city population was 126,326. The estimated population of the three - county Metropolitan Statistical Area, which includes the nearby cities of Marion and Hiawatha, was 255,452 in 2008. Cedar Rapids is an economic hub of the state, located in the core of the Interstate 380.

paragraph_text: Livermore (formerly Livermores, Livermore Ranch, and Nottingham) is a city in Alameda County, California, in the United States. With an estimated 2017 population of 89,648, Livermore is the most populous city in the Tri-Valley. Livermore is located on the eastern edge of California's San Francisco Bay Area. The incumbent Mayor of Livermore is John Marchand.

paragraph_text: KSTZ (102.5 FM, "Star 102.5") is a commercial FM radio station in Des Moines, Iowa. The station has a Hot Adult Contemporary radio format. KSTZ is part of Saga Communications' Des Moines Radio Group, along with KPSZ, KRNT, KAZR, KIOA, and KMYR, with studios located on Locust Street in Des Moines.

paragraph_text: Florida i/ˈflɒrɪdə/ (Spanish for "flowery land") is a state located in the southeastern region of the United States. The state is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia, to the east by the Atlantic Ocean, and to the south by the Straits of Florida and the sovereign state of Cuba. Florida is the 22nd most extensive, the 3rd most populous, and the 8th most densely populated of the United States. Jacksonville is the most populous city in Florida, and the largest city by area in the contiguous United States. The Miami metropolitan area is the eighth-largest metropolitan area in the United States. Tallahassee is the state capital.

paragraph_text: Victoria / vɪkˈtɔːriə / is the capital city of the Canadian province of British Columbia, and is located on the southern tip of Vancouver Island off Canada's Pacific coast. The city has a population of 85,792, while the metropolitan area of Greater Victoria has a population of 383,360, making it the 15th most populous Canadian metropolitan area. The city of Victoria is the 7th most densely populated city in Canada with 4,405.8 people per square kilometre, which is a greater population density than Toronto, Ontario.

paragraph_text: The Rural City of Benalla is a local government area in the Hume region of Victoria, Australia, located in the north-east part of the state. It covers an area of and, at the 2016 Census had a population of almost 14,000.

paragraph_text: Glew is a city in southern Almirante Brown Partido, Buenos Aires Province, Argentina. Its municipal area of holds a population of 57,878 (). It is located from Buenos Aires city, and connected to it by the Ferrocarril General Roca.

paragraph_text: González Catán is a city located in La Matanza Partido, Buenos Aires Province, Argentina. The city is the second-largest by area in the county (52 km²), and the second most-populous. The city is located near the southwestern end of the Greater Buenos Aires metropolitan area, from Buenos Aires along Route 3.

paragraph_text: The City of New York, often called New York City or simply New York, is the most populous city in the United States. With an estimated 2017 population of 8,622,698 distributed over a land area of about 302.6 square miles (784 km), New York City is also the most densely populated major city in the United States. Located at the southern tip of the state of New York, the city is the center of the New York metropolitan area, the largest metropolitan area in the world by urban landmass and one of the world's most populous metacities, with an estimated 20.3 million people in its 2017 Metropolitan Statistical Area and 23.7 million residents in its Combined Statistical Area. A global power city, New York City has been described as the cultural, financial, and media capital of the world, and exerts a significant impact upon commerce, entertainment, research, technology, education, politics, tourism, and sports. The city's fast pace defines the term New York minute. Home to the headquarters of the United Nations, New York is an important center for international diplomacy.

paragraph_text: Junction City is a census-designated place (CDP) in Trinity County, California. Junction City sits at an elevation of . Junction City is located west of Weaverville. The ZIP Code is 96048. The community is inside area code 530. The 2010 United States census reported Junction City's population was 680.

paragraph_text: Jersey Village is a city in west-central Harris County, Texas, United States, located at U.S. Highway 290, Farm to Market Road 529, and the Southern Pacific Railroad. The city is located in the Houston–Sugar Land–Baytown metropolitan area. The population was 7,620 at the 2010 census.

paragraph_text: Rorainópolis is a municipality located in the southernmost point of the state of Roraima in Brazil. Its population is 25,714 (as of 2008) and its area is 33,594 km². The city is crossed by the equator.

paragraph_text: Slaughterville is a town in Cleveland County, Oklahoma, United States, and located in the Oklahoma City metropolitan area. As of the 2010 census, the city population was 4,137.

paragraph_text: KPSZ (940 AM, "Praise 940") is a Christian radio station serving the Des Moines, Iowa, area. The station's studios are located on Locust Street in Des Moines along with Saga Communications' other Des Moines stations (KRNT, KSTZ, KIOA, KMYR and KAZR), while its 8-tower transmitter array is located near Hartford.

paragraph_text: The City of New York, often called New York City (NYC) or simply New York, is the most populous city in the United States. With an estimated 2017 population of 8,622,698 distributed over a land area of about 302.6 square miles (784 km), New York City is also the most densely populated major city in the United States. Located at the southern tip of the state of New York, the city is the center of the New York metropolitan area, the largest metropolitan area in the world by urban landmass and one of the world's most populous megacities, with an estimated 20,320,876 people in its 2017 Metropolitan Statistical Area and 23,876,155 residents in its Combined Statistical Area. A global power city, New York City has been described as the cultural, financial, and media capital of the world, and exerts a significant impact upon commerce, entertainment, research, technology, education, politics, tourism, and sports. The city's fast pace defines the term New York minute. Home to the headquarters of the United Nations, New York is an important center for international diplomacy.

paragraph_text: Wichita (/ ˈwɪtʃɪtɔː / WITCH - i - taw) is the largest city in the U.S. state of Kansas. Located in south - central Kansas on the Arkansas River, it is the county seat of Sedgwick County and the principal city of the Wichita metropolitan area which had an estimated population of 644,610 in 2015. As of 2017, the city of Wichita had an estimated population of 391,586.

Question: What is the population of the city where KPSZ is located?
Answer: 645,911