Massachusetts
According to 2000 Census Bureau, there were 6349097 residents, 2443580 households, and 1576696 families in the state. The population density was 809.8 people per square mile (312.67/kmē), it is third most densely populated state in United States. There were 2621989 housing units at an average density of 334.4 per square mile (129.11/kmē). The average household size was 2.51 persons, and the average family size was 3.11 persons. In the state the population was distributed as follows: 23.6% under the age of 18, 9.1% from 18 to 24, 31.3% from 25 to 44, 22.4% from 45 to 64, and 13.5% who were 65 or older. For every 100 females there were 93 males. For every 100 females age 18 and over, there were 89.5 males. The median age of the state's population was 36.5 years, the median age of male residents at 35.4 and the median age of female residents at 37.7. As of July 2008, the population was estimated at 6349097, The racial makeup of the state was 5367286 White, 343454 Black or African American, 15015 American Indian, 238124 Asian, 2489 Native Hawaiian, 146005 from two or more races and 236724 Ohter races.
The median income for a household in the state was $50502, making its United States's fifth highest state by median household income. The median income for a family in the state was $61664, making it the fourth wealthiest state by median family income among the United States. The per capita income for the state was $25952, making it the third highest state by per capita income in United States. The median income was $28420, Median income for males is $35485, compared with $22454 for females. As of 2008, the gross domestic product (GDP) is about $365 billion, Massachusetts would be the 13th highest state by gross domestic product in the U.S. state of America. Massachusetts is responsible for 2.58 percent of the United States gross domestic product (GDP). Its Per capita personal income in 2008 was $48088.
In 2000, 1726111 pupils and students, of which 49.8% are male and 50.2% are female, 27.19% of the total population, are in the education system. Of which, percentage of enrollment student are in, 7.12% nursery or pri school, 5.01% kindergarten, 40.73% elementary school, 19.71% high school and 27.43% College graduate school.
| Rank | County | Total Area mi2 | Land Area mi2 | Water Area mi2 | Population | Density mi2 | Per capita Income | House hold Income | Family Income |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Barnstable County | 1305.62 | 395.51 | 910.1 | 222230 | 561.9 | 25318 | 45933 | 54728 |
| 2 | Berkshire County | 946.27 | 931.32 | 14.95 | 134953 | 144.9 | 21807 | 39047 | 50162 |
| 3 | Bristol County | 691.19 | 556 | 135.19 | 534678 | 961.7 | 20978 | 43496 | 53733 |
| 4 | Dukes County | 490.95 | 103.78 | 387.18 | 14987 | 144.4 | 26472 | 45559 | 55018 |
| 5 | Essex County | 828.53 | 500.67 | 327.86 | 723419 | 1444.9 | 26358 | 51576 | 63746 |
| 6 | Franklin County | 724.74 | 702.03 | 22.71 | 71535 | 101.9 | 20672 | 40768 | 50915 |
| 7 | Hampden County | 634.12 | 618.4 | 15.71 | 456228 | 737.8 | 19541 | 39718 | 49257 |
| 8 | Hampshire County | 545.44 | 529.03 | 16.41 | 152251 | 287.8 | 21685 | 46098 | 57480 |
| 9 | Middlesex County | 847.54 | 823.46 | 24.08 | 1465396 | 1779.6 | 31199 | 60821 | 74194 |
| 10 | Nantucket County | 303.64 | 47.81 | 255.83 | 9520 | 199.1 | 31314 | 55522 | 66786 |
| 11 | Norfolk County | 443.94 | 399.58 | 44.35 | 650308 | 1627.5 | 32484 | 63432 | 77847 |
| 12 | Plymouth County | 1093.39 | 660.85 | 432.54 | 472822 | 715.5 | 24789 | 55615 | 65554 |
| 13 | Suffolk County | 120.19 | 58.52 | 61.68 | 689807 | 11788.4 | 22766 | 39355 | 44361 |
| 14 | Worcester County | 1579.02 | 1513.06 | 65.95 | 750963 | 496.3 | 22983 | 47874 | 58394 |