Marietta-alderwood Cdp, Washington
According to 2000 Census Bureau, there were 3594 residents, 1517 households, and 930 families in the census designated place. The population density was 601.6 people per square mile (232.28/km˛), it is 173rd least densely populated census designated place in Washington. There were 1606 housing units at an average density of 269 per square mile (103.86/km˛). The average household size was 2.37 and the average family size was 2.9. In the census designated place the population was spread out, with 23% under the age of 18, 12.2% from 18 to 24, 30.2% from 25 to 44, 23.8% from 45 to 64, and 10.8% who were 65 or older. For every 100 males there were 98.9 females. For every 100 males age 18 and over, there were 102.2 females. The median age is 35.1 years, The median age of males was 34.3 years, for females the median age was 35.8 years. The racial makeup of the census designated place was 84.2% White, 1.11% Black or African American, 3.84% American Indian, 5.04% Asian, 0.39% Native Hawaiian, 2.59% from two or more races and 2.84% Other races.
The median income for a household in the census designated place was $39902, making it the 252nd highest census designated place by median household income in Washington. The median income for a family in the census designated place was $43194, making its Washington's 302nd highest census designated place by median family income. The per capita income for the census designated place was $21322, making it the 169th highest census designated place by per capita income in Washington. The median income was $23534, Males had a median income of $29539 versus $16649 for females.
In 2000, 969 pupils and students, of which 484 are male and 485 are female, 26.96% of the total population, are in the education system. Of which, total enrollment of student are in, 32 nursery or pri school, 62 kindergarten, 410 elementary school, 171 high school and 294 College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 9020 |
| April 2000 Estimate | 9402 |
| July 2000 Estimate | 9461 |
| July 2001 Estimate | 9679 |
| July 2002 Estimate | 9977 |
| July 2003 Estimate | 10197 |
| July 2004 Estimate | 10654 |
| July 2005 Estimate | 10909 |
| July 2006 Estimate | 11159 |
| July 2007 Estimate | 11484 |
| July 2008 Estimate | 11737 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 16 | 16 | 32 |
| Kindergarten | 31 | 31 | 62 |
| Elementary school | 207 | 203 | 410 |
| High school | 94 | 77 | 171 |
| College or graduate school | 136 | 158 | 294 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Marietta-Alderwood CDP, Washington | $39902 | $43194 | $21322 |
| Whatcom County, Washington | $40005 | $49325 | $20025 |
| Washington, United States | $45776 | $53760 | $22973 |
| United States | $41994 | $50046 | $21587 |