Arlington, Washington
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 Demographics of Arlington


City of Arlington
Population by year
1903 800
1906 1,700
1910 1,476
1920 1,418
1930 1,435
1940 1,460
1950 1,635
1960 2,025
1970 2,261
1980 3,282
1990 4,037
2000 11,713
2004 14,491
As of the 2004 census, there were 14,491 people, 4,281 households, and 3,095 families residing in the city. The population density was 598.2/km² (1,548.4/mi²). There were 4,516 housing units at an average density of 230.6/km² (597.0/mi²). The racial makeup of the city was 90.01% White, 2.20% African American, 1.13% Native American, 1.04% Asian, 0.32% Pacific Islander, 2.47% from other races, and 2.83% from two or more races. 5.83% of the population were Hispanic or Latino of any race.

There were 4,281 households out of which 42.6% had children under the age of 18 living with them, 56.7% were married couples living together, 11.5% had a female householder with no husband present, and 27.7% were non-families. 22.7% of all households were made up of individuals and 9.3% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.19.

The median age of city resident's is 32 years:

  • 31.5% are under the age of 18,
  • 8.0% are from 18 to 24,
  • 32.6% are from 25 to 44,
  • 18.4% are from 45 to 64, and
  • 9.6% who are 65 years of age or older.

For every 100 females there are 93.3 males. For every 100 females age 18 and over, there were 91.2 males.

The median income for a household in the city was $46,302, and the median income for a family was $51,941. Males had a median income of $41,517 versus $26,912 for females. The per capita income for the city was $19,146. 7.2% of the population and 5.8% of families were below the poverty line. 9.2% of those under the age of 18 and 10.4% of those 65 and older were living below the poverty line.


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