Question: According to the 2010 census, what is the population of the census-designated place where  Heckscher State Parkway crosses New York State Route 27?

<P0-S0> Islip Terrace is a hamlet and census-designated place (CDP) in the Town of Islip in Suffolk County, New York, United States. <P0-S1>  The population was 5,389 at the 2010 census. <SEP> <P1-S0> New York State Route 27 (NY 27) is an east–west 120.58 mi long state highway extending from Interstate 278 (I-278) in the New York City borough of Brooklyn to Montauk Point State Park on Long Island, New York, in the United States. <P1-S1>  Its two most prominent components are Sunrise Highway and Montauk Highway, the latter of which includes the Montauk Point State Parkway. <P1-S2>  East of the interchange with the Heckscher State Parkway in Islip Terrace, NY 27 acts as the primary east–west highway on southern Long Island. <P1-S3>  The entire route in Suffolk, Nassau, and Queens counties was designated by the New York State Senate as the POW/MIA Memorial Highway. <P1-S4>  Every town on the South Shore is accessible through Sunrise Highway. <P1-S5>  The service roads that parallel the highway from Farmingdale to Brookhaven are officially designated, but not signed, as New York State Route 906C and New York State Route 906D. <SEP> <P2-S0> The Meadowbrook State Parkway (also known as the Meadowbrook, the Meadowbrook Parkway or the MSP) is a 12.52 mi parkway in Nassau County, New York, in the United States. <P2-S1>  Its southern terminus is at a full cloverleaf interchange with the Bay and Ocean parkways in Jones Beach State Park. <P2-S2>  The parkway heads north, crossing South Oyster Bay and intersecting Loop Parkway before crossing onto the mainland and connecting to the Southern State Parkway in North Merrick. <P2-S3>  It continues north to the village of Carle Place, where the Meadowbrook Parkway ends at exit 31A of the Northern State Parkway. <P2-S4>  The Meadowbrook Parkway is designated New York State Route 908E (NY 908E), an unsigned reference route. <P2-S5>  Most of the road is limited to non-commercial traffic, like most parkways in the state of New York; however, the portion south of Merrick Road is open to commercial traffic. <SEP> <P3-S0> The Heckscher State Parkway (formerly known as the Heckscher Spur) is an 8.24 mi parkway on Long Island, New York, in the United States. <P3-S1>  The parkway, located entirely within the Suffolk County town of Islip, begins at the south end of the Sagtikos State Parkway in West Islip, from where it continues west as the Southern State Parkway. <P3-S2>  It proceeds east as a six-lane parkway through Brentwood and Central Islip, loosely paralleling New York State Route 27 (NY 27). <P3-S3>  At Islip Terrace, the Heckscher Parkway turns southward, crossing NY 27 before ending at the toll barrier for Heckscher State Park in Great River. <P3-S4>  The parkway comprises the eastern portion of New York State Route 908M (NY 908M), an unsigned reference route, with the Southern State Parkway occupying the western section. <P3-S5>  In order to avoid confusion, the highway is signed as an extension of the Southern State Parkway west of the NY 27 interchange (exit 44).