Census Charts Index > Massachusetts

Massachusetts Census Data: Age & Sex by County

Age and sex distributions for Massachusetts 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.


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

281,421,906

25.79.630.222.012.4

35.3

96.393.4United States
Massachusetts

6,349,097

23.69.131.322.413.5

36.5

93.089.5Massachusetts
Barnstable Co.222,23020.45.225.026.223.1

44.6

89.986.1Barnstable Co.
Berkshire Co.134,95322.48.426.424.917.9

40.5

91.788.1Berkshire Co.
Bristol Co.534,67824.68.530.522.214.1

36.7

92.488.5Bristol Co.
Dukes Co.14,98722.75.529.627.814.4

40.7

95.692.1Dukes Co.
Essex Co.723,41925.27.530.323.113.9

37.5

91.987.8Essex Co.
Franklin Co.71,53523.57.828.525.914.2

39.5

93.890.5Franklin Co.
Hampden Co.456,22826.19.228.421.914.5

36.4

91.987.7Hampden Co.
Hampshire Co.152,25119.619.326.822.212.0

34.4

87.483.9Hampshire Co.
Middlesex Co.1,465,39622.59.033.422.412.8

36.4

93.790.7Middlesex Co.
Nantucket Co.9,52019.27.440.422.510.5

36.7

105.3105.0Nantucket Co.
Norfolk Co.650,30823.47.031.623.514.4

38.1

91.487.6Norfolk Co.
Plymouth Co.472,82226.87.230.423.911.8

36.8

95.091.3Plymouth Co.
Suffolk Co.689,80720.215.135.518.111.0

31.7

93.290.5Suffolk Co.
Worcester Co.750,96325.68.431.121.813.0

36.3

95.592.1Worcester 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 Massachusetts? Check out Massachusetts 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.

Return to top of page

© 2007 Census-Charts.com