Birch Bay Cdp, Washington
According to 2000 Census Bureau, there were 4961 people, 2125 households, and 1417 families residing in the census designated place. The population density was 313.7 people per square mile (121.12/km˛), giving it the 100th least densely populated census designated place among the Washington. There were 5105 housing units at an average density of 322.9 per square mile (124.67/km˛). It has an average household size was 2.33 persons, and the average family size was 2.8 persons. In the census designated place the population was distributed as follows: 23.2% under the age of 18, 6.2% from 18 to 24, 27% from 25 to 44, 27.7% from 45 to 64, and 15.9% who were 65 or older. For every 100 females there were 97.4 males. For every 100 females age 18 and over, there were 92.9 males. The median age of the census designated place's population was 40.7 years, The median age of males was 40.1 years, for females the median age was 41.4 years. The racial makeup of the census designated place was 92.36% White, 1.05% Black or African American, 1.19% American Indian, 1.23% Asian, 0.14% Native Hawaiian, 2.12% from two or more races and 1.91% Other races.
The median income for a household in the census designated place was $40040, it is Washington's 250th wealthiest census designated place by median household income. The median income for a family in the census designated place was $44280, it is Washington's 288th wealthiest census designated place by median family income. The per capita income for the census designated place was $21204, it is Washington's 175th wealthiest census designated place by per capita income. The median income is $22850, The median income for males was $36818, compared to $15947 for females.
In 2000, 1223 pupils and students, of which 43.91% are male and 56.09% are female, 24.65% of the total population, are in the education system. Of which, percentage of enrollment student are in, 6.7% nursery or pri school, 3.76% kindergarten, 45.22% elementary school, 22.4% high school and 21.91% College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 67171 |
| April 2000 Estimate | 67478 |
| July 2000 Estimate | 67839 |
| July 2001 Estimate | 69335 |
| July 2002 Estimate | 71010 |
| July 2003 Estimate | 72125 |
| July 2004 Estimate | 73787 |
| July 2005 Estimate | 75406 |
| July 2006 Estimate | 76234 |
| July 2007 Estimate | 77246 |
| July 2008 Estimate | 78905 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 30 | 52 | 82 |
| Kindergarten | 23 | 23 | 46 |
| Elementary school | 271 | 282 | 553 |
| High school | 137 | 137 | 274 |
| College or graduate school | 76 | 192 | 268 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Birch Bay CDP, Washington | $40040 | $44280 | $21204 |
| Whatcom County, Washington | $40005 | $49325 | $20025 |
| Washington, United States | $45776 | $53760 | $22973 |
| United States | $41994 | $50046 | $21587 |