Question: This small airport is located 4.8 NM west northwest of a town with a population of what at the 2011 census?

Context paragraphs:
Streaky Bay Airport: Streaky Bay Airport (IATA: KBY, ICAO: YKBY) is an airport located 4.8 NM southeast of Streaky Bay, a town in the state of South Australia in Australia.

Charlo Airport: Charlo Airport (IATA: YCL, ICAO: CYCL) is located 4.8 NM south-southeast of Charlo, New Brunswick, Canada.

Falcone–Borsellino Airport: Falcone–Borsellino Airport (IATA: PMO, ICAO: LICJ) (Italian: "Aeroporto Falcone e Borsellino" ) or simply Palermo Airport, formerly Punta Raisi Airport is located at Punta Raisi, 19 NM west northwest of Palermo, the capital city of the Italian island of Sicily.  It is the second airport of Sicily in terms of passengers after Catania-Fontanarossa Airport, with 5,325,559 passengers handled in 2016.

Kamloops Airport: Kamloops Airport (IATA: YKA, ICAO: CYKA) , also known as Fulton Field or Davie Fulton Airport, is a regional airport located 5 NM west northwest of Kamloops, British Columbia, a city in the Thompson region of Canada.  It is owned by the Kamloops Airport Authority Society, while operated by Kamloops Airport Limited, serving the North Okanagan, Nicola and Shuswap areas.  Initial examination for the airport's construction began in June 1931, when the city leased 46 acre from fruit-growing company BC Fruitlands.

Forbes Airport: Forbes Airport (IATA: FRB, ICAO: YFBS) is a small airport located 4.8 NM west northwest of Forbes, New South Wales, Australia.

Cowley Airport: Cowley Airport, (IATA: CYYM) , is located 4.8 NM northwest of Cowley, Alberta, Canada.

Pembrey Airport: Pembrey West Wales International Airport (ICAO: EGFP) is located 6 NM west northwest of Llanelli (9 NM south of Carmarthen) in Pembrey, Carmarthenshire, in Wales.  Pembrey has one Hard Runway designated as 22LH/C and 04RH/C.

Toulouse–Blagnac Airport: Toulouse Blagnac Airport or (French: "Aéroport de Toulouse–Blagnac") (IATA: TLS, ICAO: LFBO) is an international airport located 3.6 NM west northwest of Toulouse, and partially in Blagnac, both "communes" of the Haute-Garonne department in the Occitanie region of France.  In 2016, the airport served 8,081,179 passengers.  As of April 2017, the airport features flights to 74 destinations mostly in Europe and Northern Africa with a few additional seasonal long-haul connections.

Port Colborne Airport: Port Colborne Airport, (TC LID: CPE5) , is located 4.8 NM west of Port Colborne, Ontario, Canada.

Forbes, New South Wales: Forbes is a town in the Central West region of New South Wales, Australia, located on the Newell Highway between Parkes and West Wyalong.  At the 2011 census , Forbes had a population of 7,560.  Forbes is probably named after Sir Francis Forbes, first Chief Justice of NSW.

Supporting paragraphs: Forbes Airport Forbes, New South Wales
Answer: 7,560