Question: What is the population of one of the town which Elwood Union Free School District serves 

Context paragraphs:
Mattituck-Cutchogue Union Free School District: Mattituck-Cutchogue Union Free School District is a public school district located on the North Fork of Long Island, in Suffolk County, New York, United States.  It primarily serves the western part of the Town of Southold, as well as a small portion of the Town of Riverhead, and includes the census-designated places of Mattituck, Cutchogue and Laurel, and portions of Jamesport and Peconic.  To the east, the district is bordered by the Southold Union Free School District; and on the west, the Riverhead Central School District.

Elwood Union Free School District: Elwood Union Free School District is a school district in New York, United States.  It serves residents in Elwood, Huntington, southeastern Greenlawn, and southwestern East Northport, all of which are communities in the Town of Huntington.  The student enrollment is approximately 2,625.

Greenport Union Free School District: Greenport Union Free School District is a public school district located on the North Fork of Long Island, in the Town of Southold, Suffolk County, New York, United States.  It includes the village of Greenport, as well as the census-designated place(CDP) of Greenport West.  To the west, the district is bordered by the Southold Union Free School District; and on the east, the Oysterponds Union Free School District.

Garden City Union Free School District: Garden City Union Free School District is headquartered at 56 Cathedral Avenue in Garden City, NY 11530 (phone 516-478-1000).  The Garden City Union Free School District is rated 35th in New York and 74th overall in the country.

Southold Union Free School District: Southold Union Free School District is a public school district located on the North Fork of Long Island, in Suffolk County, New York, United States.  It serves the central portion of the Town of Southold, including the majority of the census-designated place(CDP) of Southold, as well as the eastern portion of the CDP of Peconic.  To the east, the district is bordered by the Greenport Union Free School District; and on the west, the Mattituck-Cutchogue Union Free School District.

Hauppauge Union Free School District: Hauppauge Union Free School District is a school district based in Hauppauge, New York.  It is near the Commack School District and Half Hollow Hills Central School District, as well as the Syosset Central School District and Jericho Union Free School District in Nassau County

Canton Area School District: The Canton Area School District is a diminutive, rural, Pennsylvania public school district that encompasses approximately 204 sqmi .  Canton Area School District is split over 3 counties.  In Bradford County, it serves Canton Township including Canton Borough; while excluding the borough of Alba, and Leroy Township.  In Lycoming County, the district serves McIntyre Township including the villages of Marsh Hill and Ralston; and McNett Township including the villages of Chemung, Ellenton, Leolyn, Penbryn, and Roaring Branch.  In Tioga County, the district serves Union Township.  According to 2000 local census data, the district serves a resident population of 6,213.  By 2010, the district's population increased to 6,534 people.  The educational attainment levels for the Canton Area School District population (25 years old and over) were 86.6% high school graduates and 10.9% college graduates.  The district is one of the 500 public school districts of Pennsylvania.

East Northport, New York: East Northport is a hamlet and census-designated place (CDP) in the town of Huntington in Suffolk County, New York, United States.  The population was 20,217 at the 2010 census.

Burrell School District: The Burrell School District is a small, rural, public school district located in northern Westmoreland County, Pennsylvania.  The District is 18 mi northeast of Pittsburgh.  The Burrell School District serves the City of Lower Burrell and Upper Burrell Township.  The District covers 27 sqmi .  According to 2000 federal census data, Burrell School District serves a resident population of 14,848 people.  By 2010, the District's population declined to 14,081 people.  The educational attainment levels for the Burrell School District population (25 years old and over) were 93.1% high school graduates and 23% college graduates.  The District is one of the 500 public school districts of Pennsylvania.

Oysterponds Union Free School District: Oysterponds Union Free School District is a public school district located in the Town of Southold Suffolk County, New York, United States.  It is the easternmost school district on the North Fork of Long Island.  The district includes the census-designated places(CDPs) of East Marion and Orient.  To the west, the district is bordered by the Greenport Union Free School District.

Supporting paragraphs: Elwood Union Free School District East Northport, New York
Answer: 20,217