Connecticut
As of the census of 2000, there were 3405565 people, 1301670 households, and 881170 families residing in the state. The population density was 702.9 people per square mile (271.39/km˛), making it the fourth most densely populated state in United States. There were 1385975 housing units at an average density of 286.1 per square mile (110.46/km˛). It has an average household size was 2.53 persons, and the average family size was 3.08 persons. In the state Age distribution was 24.7% under the age of 18, 8% from 18 to 24, 30.3% from 25 to 44, 23.2% from 45 to 64, and 13.8% who were 65 or older. For every 100 females there were 93.9 males. For every 100 females age 18 and over, there were 90.5 males. The median age of the state's population was 37.4 years, The median age of males was 36.1 years, for females the median age was 38.6 years. According to July 2008 Census Bureau estimates, the population of the state is 3405565, The racial or ethnic makeup of the state was 81.64% White, 9.1% Black or African American, 0.28% American Indian, 2.42% Asian, 0.04% Native Hawaiian, 2.2% from two or more races and 4.32% Other races.
The median income for a household in the state was $53935, it is United States's second wealthiest state by median household income. The median income for a family in the state was $65521, it is the highest state by median family income in the U.S. state of America. The per capita income for the state was $28766, it is wealthiest state by per capita income in United States. The median income was $30409, The median income for males was $37584 versus $24046 for females. The Gross Domestic Product (GDP) of Connecticut in 2008 was $216.2 billion, Connecticut would be the 24th highest state by gross domestic product in the U.S. state of America. The states per capita personal income in 2008 was $50758.
In 2000, 910869 pupils and students, of which 454285 are male and 456584 are female, 26.75% of the total population, are in the education system. Of which, total enrollment of student are in, 66689 nursery or pri school, 49197 kindergarten, 401109 elementary school, 189662 high school and 204212 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 | Fairfield County | 836.96 | 625.8 | 211.15 | 882567 | 1410.3 | 38350 | 65249 | 77690 |
| 2 | Hartford County | 750.57 | 735.44 | 15.13 | 857183 | 1165.5 | 26047 | 50756 | 62144 |
| 3 | Litchfield County | 944.57 | 919.92 | 24.65 | 182193 | 198.1 | 28408 | 56273 | 66445 |
| 4 | Middlesex County | 439.07 | 369.26 | 69.81 | 155071 | 419.9 | 28251 | 59175 | 71319 |
| 5 | New Haven County | 862.02 | 605.64 | 256.38 | 824008 | 1360.6 | 24439 | 48834 | 60549 |
| 6 | New London County | 771.66 | 665.91 | 105.75 | 259088 | 389.1 | 24678 | 50646 | 59857 |
| 7 | Tolland County | 417.01 | 410.07 | 6.94 | 136364 | 332.5 | 25474 | 59044 | 70856 |
| 8 | Windham County | 521.47 | 512.75 | 8.71 | 109091 | 212.8 | 20443 | 45115 | 52490 |