Mill Plain Cdp, Washington
As of the census of 2000, there were 7400 people, 2379 households, and 1954 families living in the census designated place. The population density was 1236.9 people per square mile (477.57/kmē), it would be the 222nd most densely populated census designated place in the U.S. state of Washington. There were 2500 housing units at an average density of 418.1 per square mile (161.43/kmē). The average household size was 3.11 people, and the average family size was 3.41 people. In the census designated place the population was spread out, with 34.5% under the age of 18, 7.2% from 18 to 24, 35.3% from 25 to 44, 17.3% from 45 to 64, and 5.7% who were 65 or older. For every 100 females there were 99.2 males. For every 100 females age 18 and over, there were 95.4 males. The median age of the census designated place's population was 29.7 years, The median age of males and females living in Mill Plain Cdp was 29.2 and 30.2 years respectively. The racial or ethnic makeup of the census designated place was 6463 White, 120 Black or African American, 42 American Indian, 461 Asian, 8 Native Hawaiian, 262 from two or more races and 44 Ohter races.
The median income for a household in the census designated place was $58432, it would be the 96th highest census designated place by median household income in the U.S. state of Washington. The median income for a family in the census designated place was $59386, it is 122nd wealthiest census designated place by median family income in Washington. The per capita income for the census designated place was $21181, it is the 176th wealthiest census designated place in terms of per capita income. The median income of census designated place was $30057, Males had a median income of $37383 versus $18924 for females.
In 2000, 2211 pupils and students, of which 970 are male and 1241 are female, 29.88% of the total population, are in the education system. Of which, total enrollment of student are in, 196 nursery or pri school, 203 kindergarten, 1164 elementary school, 387 high school and 261 College graduate school.
| Year | Population |
|---|---|
| April 2000 census | 1654 |
| April 2000 Estimate | 1685 |
| July 2000 Estimate | 1718 |
| July 2001 Estimate | 1808 |
| July 2002 Estimate | 1882 |
| July 2003 Estimate | 1924 |
| July 2004 Estimate | 2047 |
| July 2005 Estimate | 2144 |
| July 2006 Estimate | 2433 |
| July 2007 Estimate | 2474 |
| July 2008 Estimate | 2545 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 80 | 116 | 196 |
| Kindergarten | 103 | 100 | 203 |
| Elementary school | 493 | 671 | 1164 |
| High school | 181 | 206 | 387 |
| College or graduate school | 113 | 148 | 261 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Mill Plain CDP, Washington | $58432 | $59386 | $21181 |
| Clark County, Washington | $48376 | $54016 | $21448 |
| Washington, United States | $45776 | $53760 | $22973 |
| United States | $41994 | $50046 | $21587 |