|Census-designated place (CDP)|
Location of Maltby, Washington
|• Total||16.8 sq mi (43.6 km2)|
|• Land||16.8 sq mi (43.4 km2)|
|• Water||0.1 sq mi (0.2 km2)|
|Elevation||397 ft (121 m)|
|• Density||492.9/sq mi (190.3/km2)|
|Time zone||Pacific (PST) (UTC-8)|
|• Summer (DST)||PDT (UTC-7)|
|GNIS feature ID||1512425|
Based on per capita income, Maltby ranks 40th of 522 ranked areas in the state of Washington.
Maltby was first settled in 1887, and named for real estate dealer Robert Maltby.
Maltby is located at (47.802329, -122.104081).
According to the United States Census Bureau, the CDP has a total area of 16.8 square miles (43.6 km2), of which, 16.8 square miles (43.4 km2) of it is land and 0.1 square miles (0.2 km2) of it (0.36%) is water.
As of the census of 2000, there were 8,267 people, 2,824 households, and 2,335 families residing in the CDP. The population density was 492.9 people per square mile (190.3/km2). There were 2,897 housing units at an average density of 172.7/sq mi (66.7/km2). The racial makeup of the CDP was 94.12% White, 0.29% African American, 0.47% Native American, 2.38% Asian, 0.16% Pacific Islander, 0.64% from other races, and 1.94% from two or more races. Hispanic or Latino of any race were 2.13% of the population.
There were 2,824 households out of which 41.9% had children under the age of 18 living with them, 74.6% were married couples living together, 4.5% had a female householder with no husband present, and 17.3% were non-families. 12.3% of all households were made up of individuals and 2.8% had someone living alone who was 65 years of age or older. The average household size was 2.93 and the average family size was 3.19.
In the CDP the age distribution of the population shows 28.5% under the age of 18, 5.7% from 18 to 24, 31.3% from 25 to 44, 28.5% from 45 to 64, and 6.0% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 104.4 males. For every 100 females age 18 and over, there were 105.1 males.
The median income for a household in the CDP was $77,534, and the median income for a family was $80,543. Males had a median income of $53,209 versus $36,719 for females. The per capita income for the CDP was $29,330. About 1.9% of families and 3.6% of the population were below the poverty line, including 4.1% of those under age 18 and 6.2% of those age 65 or over.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- Majors, Harry M. (1975). Exploring Washington. Van Winkle Publishing Co. p. 80. ISBN 978-0-918664-00-6.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.