Question: What is the population of the city 100 miles North of Salem Speedway?

Context articles: Port of Richmond (Virginia)
Chisholm Trail Casino
Jerusalem's Lot (Stephen King)
A Tribute to Courage
Salem State University
Salem, Missouri
Salem Speedway
AN/ASG-18
Denmark, Kansas
Indianapolis

Also known as the Richmond Deepwater Terminal, the Port of Richmond is located on the James River in Richmond, Virginia, 100 miles from Cape Henry and approximately 78 miles north of Newport News, Virginia.
 It is located at 77° 25' west latitude and 37° 27' north longitude and lies adjacent to Interstate 95.
 The port is the western terminus for commercial navigation on the James River and is four miles south of the central Richmond Business District.
Chisholm Trail Casino is a casino that opened in Duncan, Oklahoma in October, 2004.
 The 22,000 sqft casino is owned and operated by the Chickasaw Nation and is open 24 hours daily.
 Located along the site of the historic Chisholm Trail cattle drive, the casino is five miles north of downtown Duncan on Highway 81, south of Highway 7.
 Chisholm Trail is owned and operated by the Chickasaw Nation.
 The casino is 70 miles south of Norman, Oklahoma, and the Nation’s sister gaming facility, Riverwind Casino.
 Chisholm Trail is 100 miles northwest of WinStar World Casino, another Chickasaw Nation gaming center, located in Thackerville, Oklahoma.
Jerusalem's Lot, Maine (often shortened to 'Salem's Lot or just the Lot) is a fictional town and a part of writer Stephen King's fictional Maine topography.
 'Salem's Lot has served as the setting for a number of his novels, novellas, and short stories.
 'Salem's Lot first appeared in King's 1975 novel "'Salem's Lot", and has reappeared as late as his 2013 novel "Doctor Sleep" (see list below).
 The town is described as being located in Cumberland County, between (or including parts of) the towns of Falmouth, Windham, and Cumberland, near the southern part of the state about ten miles north of Portland.
 A map on King's official website, though, places 'Salem's Lot considerably further north, approximately in Northwest Piscataquis.
A Tribute to Courage monument is a statue of Sam Houston located in Huntsville, Texas (where Sam Houston lived and died), which is 65 miles north of the city of Houston (named in his honor).
 Sam Houston is one of the founding fathers of Texas.
 He led the army of Texas during their War for Independence from Mexico in 1836, including the victory at San Jacinto (about 100 miles from the statue) where Texas won her independence by defeating Mexican President Santa Ana in the field.
 The statue by sculptor David Adickes is 67 feet tall and was built in 1994.
 It is clearly visible to motorists heading north on Interstate 45.
 It is the tenth-tallest statue in the United States.
Salem State University is a 4-year public University located in Salem, Massachusetts.
 a northern suburb of Boston.
 Salem State University, established in 1854 as Salem Normal School, is located approximately 15 miles north of Boston, Massachusetts.
 Salem State enrolls almost 10,000 undergraduate and graduate students from 27 states and 57 foreign countries.
 In 1932 the institution was renamed Salem Teachers College, and from 1968 to 2010 it was known as Salem State College.
 s of 2013 , Salem State enrolled 7,664 undergraduate and 1,637 graduate, full- and part-time students.
 The university offers Bachelor and Masters Degrees in the Arts and Sciences, Masters of Business Administration, and Post Masters Certificates in more than 40 academic disciplines.
 In addition, the university also offers Continuing Education courses for credit and non-credit.
Salem is the county seat of Dent County, Missouri, United States.
 The population was 4,950 at the 2010 census which allows Salem to become a Class 3 city in Missouri; however, the city has chosen to remain a Class 4 city under Missouri Revised Statutes.
 Salem is located a few miles north of the Ozark Scenic Riverways and close to Montauk State Park, which contains the headwaters of the Current River.
Salem Speedway is a .555 mi long paved oval motor racetrack in Washington Township, Washington County, near Salem, Indiana, approximately 100 mi south of Indianapolis.
 It opened in 1947.
 Major auto racing series that run at Salem are ARCA, USAR and USAC.
The Hughes AN/ASG-18 Fire Control System was a prototype airborne radar and fire control system for the planned North American XF-108 Rapier interceptor aircraft for the United States Air Force.
 It was the US's first Pulse-Doppler radar, giving it look-down/shoot-down capability, and was also the first track while scan radar (could track one target at a time).
 This was paired with an infrared search and track (IRST) system.
 Range of the radar was estimated at between 200 and 300 miles (322 to 482 km), with reliable detection of bomber-sized targets at 100 miles.
 The installation itself was massive, weighing 2,100 lb (953 kg), and taking up most of the nose of the aircraft.
 The system was to be used with the Hughes AIM-47 Falcon missile, which also had a range of about 100 miles.
Denmark is an unincorporated community in Lincoln County, Kansas, United States.
 One of the first permanent settlements in Lincoln County, it was settled about 1869 by Danish Lutherans who laid the cornerstone for a stone church in 1876.
 Built of the "post rock" limestone that is so abundant in the county, it was completed in 1880.
 A bell tower and entry were added in 1901.
 The village is located 3 miles north of K-18 and still has a community hall, a railroad, and a grain elevator.
 Denmark is part of "The Amazing 100 Miles".
 The history and folklore has been described by Ruth Sorensen in "Beyond the Prairie Wind".
Indianapolis (pronounced ), is the capital and largest city of the U.S. state of Indiana and the seat of Marion County.
 It is in the East North Central region of the Midwestern United States.
 With an estimated population of 855,164 in 2016, Indianapolis is the third most populous city in the Midwest and 15th most populous in the U.S.
 The city is the economic and cultural center of the Indianapolis metropolitan area, home to 2 million people, the 34th most populous metropolitan statistical area in the U.S. Its combined statistical area ranks 27th, with 2.38 million inhabitants.
 Indianapolis covers 368 sqmi , making it the 16th largest city by land area in the U.S.