Question: What was the 2010 population of the town which was part of the Maine State Route 126?

Context paragraphs:
Maine State Route 126: State Route 126 (SR 126) is a state highway in central Maine connecting Lewiston and Washington.

Jefferson Cattle Pound: The Jefferson Cattle Pound is a historic animal pound in Jefferson, Maine.  Built in 1829, it is one of the state's best-preserved stone pounds.  It is located on the south side of Gardiner Road (Maine State Route 126), about 0.75 mi west of its junction with Maine State Route 213.  It was listed on the National Register of Historic Places in 2004.

West Branch Sheepscot River: The West Branch Sheepscot River is a 24.9 mi river in Maine.  The branch originates in the northwest corner of Palermo ( ) and flows southwesterly through Branch Pond and the village of Weeks Mills in the town of China.  The branch then flows southerly through the town of Windsor to a confluence with the Sheepscot River between Coopers Mills and North Whitefield.  The branch is bridged by Maine State Route 3 between Branch Pond and Weeks Mills, by Maine State Route 105 at Windsor and by concurrent Maine State Routes 17 and 32 near Coopers Mills.

New York State Route 126: New York State Route 126 (NY 126) is a state highway in the North Country of New York in the United States.  It proceeds in a roughly northwest to southeast direction between NY 12 at the eastern city line of Watertown in central Jefferson County and NY 812 in the village of Croghan in northern Lewis County.  In between, NY 126 serves the adjacent villages of West Carthage and Carthage, where the route has overlaps with NY 3 (in Carthage) and NY 26 (in West Carthage).  Most of the route passes through rural areas, and the portion southeast of Carthage parallels either the Black River or a tributary of it.

Alabama State Route 126: State Route 126 (SR 126) is an 11.054 mi state highway in Montgomery County, in the central part of the U.S. state of Alabama.  The highway serves as both the northern and southern frontage roads between exits 11 and 16 along Interstate 85 (I-85) and U.S. Route 80 (US 80).  Prior to US 80's realignment onto I-85 in November 2010, SR 126 was only the northern frontage road.  SR 126 begins at itself, a consequence of the realignment as it forms a complete loop.  A 308 ft spur from the route's beginning marks the end of the route.

Washington, Maine: Washington, officially the Town of Washington, is a town in Knox County, Maine.  The population was 1,527 at the 2010 United States Census.

California State Route 126: State Route 126 (SR 126) is a highway in Ventura and Los Angeles counties, California.  The route runs from U.S. Route 101 in Ventura to Interstate 5 in Santa Clarita through the Santa Clara River Valley.  The highway is an important connector highway in Ventura County, and serves as an alternate route into the Santa Clarita and San Fernando valleys, the High Desert of Antelope Valley, and Los Angeles.

Farmington Falls, Maine: Farmington Falls is an unincorporated village in the town of Farmington, Franklin County, Maine, United States.  The community is located along the Sandy River 5 mi southeast of the village of Farmington; U.S. Route 2, Maine State Route 27, Maine State Route 41, and Maine State Route 156 all pass through the village.  Farmington Falls has a post office with ZIP code 04940.

Ohio State Route 126: State Route 126 (SR 126) is a state route starting at the Ohio-Indiana border, at a split with State Route 129 near Scipio, Ohio, and ending east of Cincinnati at an intersection with U.S. Route 50 in Milford.  State Route 126 is locally known for comprising most of Ronald Reagan Cross County Highway.

St. Denis Catholic Church: St. Denis Catholic Church is a historic Roman Catholic church at 298 Grand Army Road (Maine State Route 126) in North Whitefield, Maine.  Built 1833-38, it is the third oldest Catholic church in New England.  It was listed on the National Register of Historic Places in 1976.

Supporting paragraphs: Maine State Route 126 Washington, Maine
Answer: 1,527