Newcastle city, Washington demographics
Population: 12,855
Median age: 37.7
Median household income: 139,439
Newcastle is a city in King County, Washington, United States.
Demographics, population, home values, social and economic characteristics of Newcastle city, WA.
Population
| 2021 | 12,855 |
| 2020 | 12,078 |
| 2019 | 11,750 |
| 2018 | 11,559 |
| 2017 | 11,346 |
| 2016 | 11,189 |
| 2015 | 10,994 |
| 2014 | 10,792 |
| 2013 | 10,599 |
| 2012 | 10,358 |
| 2011 | 10,109 |
| 2010 | 9,868 |
Census data for Newcastle city, Washington
Demographic and housing estimates in Newcastle city, Washington
| Total population | 12,855 |
| Male | 6,513 |
| Female | 6,342 |
| Total population | 12,855 |
| Under 5 years | 868 |
| 5 to 9 years | 663 |
| 10 to 14 years | 750 |
| 15 to 19 years | 616 |
| 20 to 24 years | 575 |
| 25 to 34 years | 2,269 |
| 35 to 44 years | 1,956 |
| 45 to 54 years | 1,948 |
| 55 to 59 years | 892 |
| 60 to 64 years | 607 |
| 65 to 74 years | 1,028 |
| 75 to 84 years | 340 |
| 85 years and over | 343 |
| Median age (years) | 37.7 |
| Under 18 years | 2,741 |
| 16 years and over | 10,472 |
| 18 years and over | 10,114 |
| 21 years and over | 9,871 |
| 62 years and over | 2,088 |
| 65 years and over | 1,711 |
| Total population | 12,855 |
| One race | 11,529 |
| White | 6,227 |
| Black or African American | 245 |
| American Indian and Alaska Native | 0 |
| Asian | 4,590 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 467 |
| Two or more races | 1,326 |
| Citizen, VOTING AGE 18 and over population | 8,479 |
| Male Citizen, VOTING AGE 18 and over population | 4,222 |
| Female Citizen, VOTING AGE 18 and over population | 4,257 |
Social characteristics in Newcastle city, Washington
| Total households | 5,218 |
| Family households (families) | 2,872 |
| Married-couple family | 502 |
| Male householder, no wife present, family | 773 |
| Female householder, no husband present, family | 530 |
| Nonfamily households | 1,071 |
| Average household size | 1,371 |
| Average family size | 2.46 |
Economic characteristics in Newcastle city, Washington
| Total households | 5,218 |
| Less than $10,000 | 80 |
| $10,000 to $14,999 | 193 |
| $15,000 to $24,999 | 196 |
| $25,000 to $34,999 | 121 |
| $35,000 to $49,999 | 326 |
| $50,000 to $74,999 | 486 |
| $75,000 to $99,999 | 459 |
| $100,000 to $149,999 | 906 |
| $150,000 to $199,999 | 561 |
| $200,000 or more | 1,890 |
| Median household income (dollars) | 139,439 |
Housing characteristics in Newcastle city, Washington
| Total housing units | 5,388 |
| Occupied housing units | 5,218 |
| Vacant housing units | 170 |
| Total housing units | 5,388 |
| 1-unit, detached | 3,511 |
| 1-unit, attached | 264 |
| 2 units | 7 |
| 3 or 4 units | 41 |
| 5 to 9 units | 116 |
| 10 to 19 units | 244 |
| 20 or more units | 1,128 |
| Mobile home | 77 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 5,388 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 1,003 |
| Built 2000 to 2009 | 1,032 |
| Built 1990 to 1999 | 1,298 |
| Built 1980 to 1989 | 941 |
| Built 1970 to 1979 | 498 |
| Built 1960 to 1969 | 275 |
| Built 1950 to 1959 | 269 |
| Built 1940 to 1949 | 42 |
| Built 1939 or earlier | 30 |
| Total housing units | 5,388 |
| 1 room | 86 |
| 2 rooms | 346 |
| 3 rooms | 442 |
| 4 rooms | 617 |
| 5 rooms | 497 |
| 6 rooms | 533 |
| 7 rooms | 392 |
| 8 rooms | 951 |
| 9 rooms or more | 1,524 |
| Median rooms | 6.9 |
| Total housing units | 5,388 |
| No bedroom | 137 |
| 1 bedroom | 725 |
| 2 bedrooms | 861 |
| 3 bedrooms | 1,190 |
| 4 bedrooms | 1,818 |
| 5 or more bedrooms | 657 |
| Occupied housing units | 5,218 |
| Owner-occupied | 3,645 |
| Renter-occupied | 1,573 |
| Average household size of owner-occupied unit | 2.59 |
| Average household size of renter-occupied unit | 2.15 |
| Occupied housing units | 5,218 |
| Moved in 2017 or later | 722 |
| Moved in 2015 to 2016 | 1,700 |
| Moved in 2010 to 2014 | 881 |
| Moved in 2000 to 2009 | 945 |
| Moved in 1990 to 1999 | 783 |
| Moved in 1989 and earlier | 187 |
| Owner-occupied units | 3,645 |
| Less than $50,000 | 18 |
| $50,000 to $99,999 | 0 |
| $100,000 to $149,999 | 17 |
| $150,000 to $199,999 | 17 |
| $200,000 to $299,999 | 105 |
| $300,000 to $499,999 | 251 |
| $500,000 to $999,999 | 1,943 |
| $1,000,000 or more | 1,294 |
| Median (dollars) | 888,400 |
| Owner-occupied units | 3,645 |
| Housing units with a mortgage | 2,448 |
| Housing units without a mortgage | 1,197 |
| Occupied units paying rent | 1,559 |
| Less than $500 | 12 |
| $500 to $999 | 0 |
| $1,000 to $1,499 | 104 |
| $1,500 to $1,999 | 659 |
| $2,000 to $2,499 | 509 |
| $2,500 to $2,999 | 103 |
| $3,000 or more | 172 |
| Median (dollars) | 2,004 |
| No rent paid | 14 |
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