New Jersey
As of the census of 2000, there were 8414350 people in the state, organized into 3064645 households, and 2154539 families residing in the state. The population density was 1134.4 people per square mile (437.99/kmē), it is the most densely populated state in the U.S. state of America. There were 3310275 housing units at an average density of 446.3 per square mile (172.32/kmē). The average household size was 2.68 and the average family size was 3.21. In the state the population is diverse age-wise, with 24.8% under the age of 18, 8% from 18 to 24, 31.2% from 25 to 44, 22.7% from 45 to 64, and 13.2% who were 65 or older. For every 100 females there were 94.3 males. For every 100 females age 18 and over, there were 90.9 males. The median age was 36.7 years, The median age of males and females living in New Jersey was 35.5 and 38 years respectively. As of July 2008, the population was estimated at 8414350, The racial makeup of the state was 72.55% White, 13.57% Black or African American, 0.23% American Indian, 5.71% Asian, 0.04% Native Hawaiian, 2.54% from two or more races and 5.36% Other races.
The median income for a household in the state was $55146, it is the wealthiest state in terms of median household income. The median income for a family in the state was $65370, it is United States's second wealthiest state by median family income. The per capita income for the state was $27006, it is United States's second wealthiest state by per capita income. The median income was $30439, The median income for males was $37329 versus $24178 for females. According to the United States Bureau of Economic Analysis, the 2008 total gross domestic product was $474.9 billion, it is United States's seventh wealthiest state by GDP. Its GDP per capita is $44957. New Jersey's GDP increased 3% from 2007.
In 2000, 2217832 pupils and students, of which 1111533 are male and 1106299 are female, 26.36% of the total population, are in the education system. Of which, total enrollment of student are in, 181423 nursery or pri school, 121950 kindergarten, 978203 elementary school, 465954 high school and 470302 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 | Atlantic County | 671.45 | 561.07 | 110.37 | 252552 | 450.1 | 21034 | 43933 | 51710 |
| 2 | Bergen County | 246.8 | 234.17 | 12.63 | 884118 | 3775.5 | 33638 | 65241 | 78079 |
| 3 | Burlington County | 819.43 | 804.57 | 14.86 | 423394 | 526.2 | 26339 | 58608 | 67481 |
| 4 | Camden County | 227.58 | 222.3 | 5.28 | 508932 | 2289.4 | 22354 | 48097 | 57429 |
| 5 | Cape May County | 620.28 | 255.19 | 365.09 | 102326 | 401 | 24172 | 41591 | 51402 |
| 6 | Cumberland County | 676.59 | 489.3 | 187.29 | 146438 | 299.3 | 17376 | 39150 | 45403 |
| 7 | Essex County | 129.56 | 126.27 | 3.29 | 793633 | 6285.4 | 24943 | 44944 | 54818 |
| 8 | Gloucester County | 336.92 | 324.72 | 12.2 | 254673 | 784.3 | 22708 | 54273 | 62482 |
| 9 | Hudson County | 62.43 | 46.69 | 15.74 | 608975 | 13043.6 | 21154 | 40293 | 44053 |
| 10 | Hunterdon County | 437.76 | 429.94 | 7.82 | 121989 | 283.7 | 36370 | 79888 | 91050 |
| 11 | Mercer County | 228.84 | 225.93 | 2.91 | 350761 | 1552.5 | 27914 | 56613 | 68494 |
| 12 | Middlesex County | 322.51 | 309.72 | 12.79 | 750162 | 2422.1 | 26535 | 61446 | 70749 |
| 13 | Monmouth County | 665.12 | 471.94 | 193.18 | 615301 | 1303.8 | 31149 | 64271 | 76823 |
| 14 | Morris County | 481.29 | 468.99 | 12.29 | 470212 | 1002.6 | 36964 | 77340 | 89773 |
| 15 | Ocean County | 915.88 | 636.28 | 279.6 | 510916 | 803 | 23054 | 46443 | 56420 |
| 16 | Passaic County | 197.05 | 185.29 | 11.76 | 489049 | 2639.3 | 21370 | 49210 | 56054 |
| 17 | Salem County | 372.57 | 337.88 | 34.69 | 64285 | 190.3 | 20874 | 45573 | 54890 |
| 18 | Somerset County | 305.05 | 304.69 | 0.36 | 297490 | 976.4 | 37970 | 76933 | 90605 |
| 19 | Sussex County | 535.99 | 521.26 | 14.73 | 144166 | 276.6 | 26992 | 65266 | 73335 |
| 20 | Union County | 105.46 | 103.29 | 2.17 | 522541 | 5059 | 26992 | 55339 | 65234 |
| 21 | Warren County | 362.75 | 357.87 | 4.89 | 102437 | 286.2 | 25728 | 56100 | 66223 |