Marrowstone Cdp, Washington
According to 2000 Census Bureau, there were 837 residents, 395 households, and 264 families in the census designated place. The population density was 132.4 people per square mile (51.12/kmē), it is the 41st least densely populated census designated place in the U.S. state of Washington. There were 528 housing units at an average density of 83.5 per square mile (32.24/kmē). The average household size was 2.12 persons, and the average family size was 2.54 persons. In the census designated place the population is diverse age-wise, with 15.2% under the age of 18, 2.4% from 18 to 24, 18% from 25 to 44, 36.2% from 45 to 64, and 28.2% who were 65 or older. For every 100 females there were 98.3 males. For every 100 females age 18 and over, there were 95.1 males. The median age of the census designated place's population was 52.4 years, The median age of males was 51.6 years, for females the median age was 53.3 years. The racial or ethnic makeup of the census designated place was 96.89% White, 0% Black or African American, 0.36% American Indian, 0.48% Asian, 0% Native Hawaiian, 2.03% from two or more races and 0.24% Other races.
The median income for a household in the census designated place was $38182, making it the 277th wealthiest census designated place by median household income among the Washington. The median income for a family in the census designated place was $41607, it is the 323rd wealthiest census designated place in terms of median family income. The per capita income for the census designated place was $22028, making its Washington's 153rd highest census designated place by per capita income. The median income was $18977, Males had a median income of $21477 versus $13750 for females.
In 2000, 145 pupils and students, of which 108 are male and 37 are female, 17.32% of the total population, are in the education system. Of which, total enrollment of student are in, 14 nursery or pri school, 11 kindergarten, 49 elementary school, 44 high school and 27 College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 19795 |
| April 2000 Estimate | 19731 |
| July 2000 Estimate | 19801 |
| July 2001 Estimate | 20397 |
| July 2002 Estimate | 20681 |
| July 2003 Estimate | 21058 |
| July 2004 Estimate | 21652 |
| July 2005 Estimate | 22370 |
| July 2006 Estimate | 22598 |
| July 2007 Estimate | 22631 |
| July 2008 Estimate | 22744 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 14 | 14 | |
| Kindergarten | 11 | 11 | |
| Elementary school | 43 | 6 | 49 |
| High school | 24 | 20 | 44 |
| College or graduate school | 16 | 11 | 27 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Marrowstone CDP, Washington | $38182 | $41607 | $22028 |
| Jefferson County, Washington | $37869 | $45415 | $22211 |
| Washington, United States | $45776 | $53760 | $22973 |
| United States | $41994 | $50046 | $21587 |