Hillsborough County, New Hampshire facts for kids

Kids Encyclopedia Facts
Hillsborough County, New Hampshire
Seal of Hillsborough County, New Hampshire
Map
Map of New Hampshire highlighting Hillsborough County
Location in the state of New Hampshire
Map of the USA highlighting New Hampshire
New Hampshire's location in the U.S.
Statistics
Founded 1769
Seat Manchester and Nashua
Largest City Manchester (by population)
Weare (by area)
Area
 - Total
 - Land
 - Water

892 sq mi (2,310 km²)
876 sq mi (2,269 km²)
16 sq mi (41 km²), 1.8%
PopulationEst.
 - (2013)
 - Density

403,985
457/sq mi (176/km²)
Time zone Eastern: UTC-5/-4
Website: www.hillsboroughcountynh.org
Named for: The Earl of Hillsborough

Hillsborough County is the most populous county in the U.S. state of New Hampshire. As of the 2010 census, the population was 400,721. Its county seats are Manchester and Nashua. Hillsborough is northern New England's most populous county as well as its most densely populated.

Hillsborough County comprises the Manchester-Nashua, NH Metropolitan Statistical Area, which is also included in the Boston-Worcester-Providence, MA-RI-NH-CT Combined Statistical Area.

History

Hillsborough was one of the five original counties identified for New Hampshire in 1769, and was named for Wills Hill, the Earl of Hillsborough who was British Secretary of State for the Colonies at the time. The county was organized at Amherst on March 19, 1771. In 1823 a number of towns were removed to become part of Merrimack County. Over several years ending in 1869, county administrative functions were moved from Amherst first to Milford in 1866 then to the current seats of Manchester and Nashua.

Geography

According to the U.S. Census Bureau, the county has a total area of 892 square miles (2,310 km2), of which 876 square miles (2,270 km2) is land and 16 square miles (41 km2) (1.8%) is water. The highest point in Hillsborough county is Pack Monadnock Mountain at 2,290 feet (700 m).

Adjacent counties

National protected area

  • Wapack National Wildlife Refuge

Demographics

Historical population
Census Pop.
1790 32,883
1800 43,899 33.5%
1810 49,249 12.2%
1820 53,884 9.4%
1830 37,724 −30.0%
1840 42,494 12.6%
1850 57,478 35.3%
1860 62,140 8.1%
1870 64,238 3.4%
1880 75,634 17.7%
1890 93,247 23.3%
1900 112,640 20.8%
1910 126,072 11.9%
1920 135,512 7.5%
1930 140,165 3.4%
1940 144,888 3.4%
1950 156,987 8.4%
1960 178,161 13.5%
1970 223,941 25.7%
1980 276,608 23.5%
1990 336,073 21.5%
2000 380,841 13.3%
2010 400,721 5.2%
Est. 2015 406,678 1.5%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

As of the 2010 United States Census, there were 400,721 people, 155,466 households, and 103,959 families residing in the county. The population density was 457.4 inhabitants per square mile (176.6/km2). There were 166,053 housing units at an average density of 189.5 per square mile (73.2/km2). The racial makeup of the county was 90.4% white, 3.2% Asian, 2.1% black or African American, 0.2% American Indian, 2.1% from other races, and 2.0% from two or more races. Those of Hispanic or Latino origin made up 5.3% of the population.

Of the 155,466 households, 33.5% had children under the age of 18 living with them, 51.6% were married couples living together, 10.5% had a female householder with no husband present, 33.1% were non-families, and 25.3% of all households were made up of individuals. The average household size was 2.53 and the average family size was 3.05. The median age was 39.3 years.

For the period 2011–2015, 24.8% of the county's population had French ancestry (including 9.9% of the total population with French Canadian ancestry), 20.9% had Irish, 13.1% had English, 10.2% had Italian, and 8.2% had German ancestry. For the same time period, the estimated median annual income for a household in the county was $71,244, and the median income for a family was $85,966. Male full-time workers had a median income of $60,349 versus $44,270 for females. The per capita income for the county was $35,242. About 5.8% of families and 8.8% of the population were below the poverty line, including 11.7% of those under age 18 and 5.9% of those age 65 or over.

Communities

Cities

Towns

Census-designated places

Villages


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