Question: When Sheila LaBarre committed crimes she lived in a town in Rockingham County with what population at the 2010 census?

Context paragraphs:
Hampstead, New Hampshire: Hampstead is a town in Rockingham County, New Hampshire, United States.  The population was 8,523 at the 2010 census.  Hampstead, which includes the village of East Hampstead, is home to a portion of the Rockingham Recreational Trail.

Epping, New Hampshire: Epping is a town in Rockingham County, New Hampshire, United States.  The population was 6,411 at the 2010 census.  Epping includes the area known as Camp Hedding.

Newfields, New Hampshire: Newfields is a town in Rockingham County, New Hampshire, United States.  The population was 1,680 at the 2010 census.  The primary village in town, where 301 people resided at the 2010 census, is defined as the Newfields census-designated place (CDP), and is located along New Hampshire Route 85 and the Squamscott River.  It is a quaint village of handsome old houses.

Salem, New Hampshire: Salem is a town in Rockingham County, New Hampshire, United States.  The population was 28,776 at the 2010 census.  Salem is a marketing and distributing center north of Boston, with a major amusement attraction, Canobie Lake Park, and a large shopping mall, the Mall at Rockingham Park.

Stratham, New Hampshire: Stratham is a town in Rockingham County, New Hampshire, United States.  The town had a population of 7,255 at the 2010 census, and an estimated population of 7,280 in 2013.  It is bounded on the west by the Squamscott River.  The town is the home of the only U.S. Lindt & Sprüngli factory and the headquarters of the Timberland Corporation.

Harrisonburg, Virginia: Harrisonburg is an independent city in the Shenandoah Valley region of the U.S. state of Virginia.  As of the 2010 census, the population was 48,914, with a census-estimated 2016 population of 53,078.  Harrisonburg is the county seat of the surrounding Rockingham County, although the two are separate jurisdictions.  The Bureau of Economic Analysis combines the city of Harrisonburg with Rockingham County for statistical purposes into the Harrisonburg, Virginia Metropolitan Statistical Area, which has a 2011 estimated population of 126,562.

Sheila LaBarre: Sheila LaBarre (born Sheila Kay Baley on July 4, 1958 in Fort Payne, Alabama) is an American convicted murderer.  She was sentenced to two consecutive life sentences, with no prospect of parole after being convicted of killing two men, Kenneth Countie and Michael DeLoge, in Epping, New Hampshire.  At the time of the crimes, LaBarre lived in Epping, New Hampshire (Rockingham County) on a farm.

Brentwood, New Hampshire: Brentwood is a town in Rockingham County, New Hampshire, United States.  As of the 2010 census, the town had a total population of 4,486.  Brentwood has been the county seat of Rockingham County since 1997.  It is drained by the Piscassic, Little and Exeter rivers.

Wentworth, North Carolina: Wentworth is a small town located in Rockingham County, North Carolina.  According to the 2010 U.S. Census estimate, the population is 2,807.  Wentworth is the county seat of Rockingham County.

Fremont, New Hampshire: Fremont is a town in Rockingham County, New Hampshire, United States.  The population was 4,283 at the 2010 census.  Fremont is crossed by the Rockingham Recreation Trail (a rail trail) and NH Route 107.

Supporting paragraphs: Sheila LaBarre Epping, New Hampshire
Answer: 6,411