had a female householder with no husband present, and 24.9% were non-families. 18.9% of all households were made up of individuals, and 6.1% were someone living alone who was 65 years of age or older. The average household size was 2.73, and the average family size was 3.13. In the town, the population was spread out, with 24.9% under the age of 18, 7.3% from 18 to 24, 27.5% from 25 to 44, 29.7% from 45 to 64, and 10.6% who were 65 years of age or older. The median age was 39.6 years. For every 100 females, there were 98.0 males. For every 100 females age 18 and over, there were 95.6 males. For the period 2010–2012, the estimated median annual income for a household in the town was $83,640, and the median income for a family was $93,199. Male full-time workers had a median income of $62,038 versus $44,531 for females. The per capita income for the town was $34,462. About 3.4% of families and 4.6% of the population were below the poverty line, including 8.6% of those under age 18 and 11.2% of those age 65 or over. Education Hudson is the home of School Administrative Unit #81 of New Hampshire. High school (grades 9th–12th): Alvirne High School, which is also home to the Wilbur H. Palmer Vocational-Technical Center, a business-oriented vocational school Middle school (grades 6th–8th): Hudson Memorial School Elementary schools (grades K–5th): Dr. H. O. Smith School (grade 1) Library Street School (kindergarten) Hills-Garrison School (grades 2–5) Nottingham West Elementary School (grades 2–5) Private: Presentation of Mary Academy ("PMA" locally) is a Pre-K–8 private coeducational Catholic school located on Lowell Road. Economy Hudson serves primarily as a bedroom community for the Greater Boston metropolitan area, of which it is a part. In 2006, for example, there were an estimated 10,945 jobs in the public and private sector in Hudson, while the town's population was 24,729, with a civilian labor force of 14,818. The town's three largest employers are Benchmark Electronics, BAE Systems, and the Hudson School District. Presstek is also headquartered in Hudson. Transportation Three New Hampshire state routes traverse the town: NH 3A is the main north-south route through town. It enters the town at the Massachusetts border following River Road. It then follows Lowell Road, Central Street, Chase Street, Derry Street, Elm Avenue, and Webster Street to the town's northern border with Litchfield.