Census Charts Index > New Hampshire

New Hampshire Census Data: Age & Sex by County

Age and sex distributions for New Hampshire counties are shown in this easy-to-read table and chart combination.

Scroll down for information about Reading the chart.

Source: U.S. Census Bureau 2000 Census.

New Hampshire Census Data: Age & Sex by County
LocationPopulationAge %Median
Males per 100 FemalesLocation
under 1818-2425-4445-6465 & overAll Ages18 & Over
United States




96.393.4United States
New Hampshire




96.894.1New Hampshire
Belknap Co.56,32523.66.728.126.415.1


97.195.1Belknap Co.
Carroll Co.43,66622.65.326.527.717.8


96.694.2Carroll Co.
Cheshire Co.73,82523.311.727.024.313.7


94.991.7Cheshire Co.
Coos Co.33,11122.86.326.725.718.5


95.692.6Coos Co.
Grafton Co.81,74321.913.527.024.213.4


96.794.3Grafton Co.
Hillsborough Co.380,84126.37.732.722.610.6


97.394.7Hillsborough Co.
Merrimack Co.136,22524.98.130.624.012.4


97.093.7Merrimack Co.
Rockingham Co.277,35926.46.232.824.410.1


97.495.4Rockingham Co.
Strafford Co.112,23323.713.630.620.911.2


94.391.1Strafford Co.
Sullivan Co.40,45823.96.428.025.915.8


97.193.5Sullivan Co.

Reading the Chart:

The entries under the Age % heading are percentages showing the age distribution. For example, the entry in the first row (United States) in the under 18 column is 25.7, meaning that 25.7% of the U.S. population is under 18 years of age. The Age% values add up to approximately 100%.

The length of the colored bars in each Age % table cell are in proportion to the value of the number in the cell. For example, the colored bar in the cell showing 25.7 is 25.7% as wide as the cell.

The length of the colored bars under the Males per 100 Females header are proportional to the value when converted to percentages. For example, 110 males per 100 females = 110 males per 210 people = 52.4%.

The numeric values under the Population header are totals. Here the colored bars represent percentages of the highest population of any county in the state. For example, the county with the highest population will have a colored bar that fills the cell. A county with half that many people will have a colored bar that fills half the cell. For small percentages the bar does not appear.

Abbreviations used in location names: Co.=County, C.A.=Census Area, Pa.=Parish, Mu.=Municipio.

Interested in New Hampshire? Check out New Hampshire Climate for data and charts about average weather, daylight, and global warming.

Please note that if you set your browser to display very large text sizes, the table cell sizes will change, and the lengths of the colored bars will not be accurate, although they will still show proportions.

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