Mountlake Terrace city, Washington demographics
Population: 21,210
Median age: 37.7
Median household income: 87,785
Mountlake Terrace is a city in Snohomish County, Washington, United States.
Demographics, population, home values, social and economic characteristics of Mountlake Terrace city, WA.
Population
| 2021 | 21,210 |
| 2020 | 21,328 |
| 2019 | 21,210 |
| 2018 | 21,106 |
| 2017 | 20,922 |
| 2016 | 20,747 |
| 2015 | 20,521 |
| 2014 | 20,318 |
| 2013 | 20,157 |
| 2012 | 20,026 |
| 2011 | 20,027 |
| 2010 | 19,998 |
Census data for Mountlake Terrace city, Washington
Demographic and housing estimates in Mountlake Terrace city, Washington
| Total population | 21,210 |
| Male | 10,306 |
| Female | 10,904 |
| Total population | 21,210 |
| Under 5 years | 1,011 |
| 5 to 9 years | 1,227 |
| 10 to 14 years | 1,195 |
| 15 to 19 years | 956 |
| 20 to 24 years | 1,233 |
| 25 to 34 years | 3,572 |
| 35 to 44 years | 3,598 |
| 45 to 54 years | 2,367 |
| 55 to 59 years | 1,538 |
| 60 to 64 years | 1,575 |
| 65 to 74 years | 1,654 |
| 75 to 84 years | 786 |
| 85 years and over | 498 |
| Median age (years) | 37.7 |
| Under 18 years | 4,020 |
| 16 years and over | 17,593 |
| 18 years and over | 17,190 |
| 21 years and over | 16,607 |
| 62 years and over | 3,765 |
| 65 years and over | 2,938 |
| Total population | 21,210 |
| One race | 19,387 |
| White | 14,473 |
| Black or African American | 1,028 |
| American Indian and Alaska Native | 161 |
| Asian | 2,036 |
| Native Hawaiian and Other Pacific Islander | 150 |
| Some other race | 1,539 |
| Two or more races | 1,823 |
| Citizen, VOTING AGE 18 and over population | 15,420 |
| Male Citizen, VOTING AGE 18 and over population | 7,527 |
| Female Citizen, VOTING AGE 18 and over population | 7,893 |
Social characteristics in Mountlake Terrace city, Washington
| Total households | 8,611 |
| Family households (families) | 3,921 |
| Married-couple family | 649 |
| Male householder, no wife present, family | 1,586 |
| Female householder, no husband present, family | 912 |
| Nonfamily households | 2,455 |
| Average household size | 2,174 |
| Average family size | 2.45 |
Economic characteristics in Mountlake Terrace city, Washington
| Total households | 8,611 |
| Less than $10,000 | 249 |
| $10,000 to $14,999 | 159 |
| $15,000 to $24,999 | 360 |
| $25,000 to $34,999 | 295 |
| $35,000 to $49,999 | 598 |
| $50,000 to $74,999 | 1,962 |
| $75,000 to $99,999 | 1,484 |
| $100,000 to $149,999 | 1,771 |
| $150,000 to $199,999 | 960 |
| $200,000 or more | 773 |
| Median household income (dollars) | 87,785 |
Housing characteristics in Mountlake Terrace city, Washington
| Total housing units | 9,022 |
| Occupied housing units | 8,611 |
| Vacant housing units | 411 |
| Total housing units | 9,022 |
| 1-unit, detached | 4,617 |
| 1-unit, attached | 488 |
| 2 units | 269 |
| 3 or 4 units | 719 |
| 5 to 9 units | 592 |
| 10 to 19 units | 868 |
| 20 or more units | 1,354 |
| Mobile home | 115 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 9,022 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 554 |
| Built 2000 to 2009 | 319 |
| Built 1990 to 1999 | 755 |
| Built 1980 to 1989 | 1,186 |
| Built 1970 to 1979 | 1,492 |
| Built 1960 to 1969 | 2,461 |
| Built 1950 to 1959 | 1,983 |
| Built 1940 to 1949 | 223 |
| Built 1939 or earlier | 49 |
| Total housing units | 9,022 |
| 1 room | 114 |
| 2 rooms | 250 |
| 3 rooms | 1,182 |
| 4 rooms | 2,020 |
| 5 rooms | 1,825 |
| 6 rooms | 1,296 |
| 7 rooms | 960 |
| 8 rooms | 700 |
| 9 rooms or more | 675 |
| Median rooms | 5.0 |
| Total housing units | 9,022 |
| No bedroom | 123 |
| 1 bedroom | 1,344 |
| 2 bedrooms | 3,000 |
| 3 bedrooms | 2,858 |
| 4 bedrooms | 1,327 |
| 5 or more bedrooms | 370 |
| Occupied housing units | 8,611 |
| Owner-occupied | 4,844 |
| Renter-occupied | 3,767 |
| Average household size of owner-occupied unit | 2.61 |
| Average household size of renter-occupied unit | 2.23 |
| Occupied housing units | 8,611 |
| Moved in 2017 or later | 1,068 |
| Moved in 2015 to 2016 | 2,809 |
| Moved in 2010 to 2014 | 1,436 |
| Moved in 2000 to 2009 | 1,660 |
| Moved in 1990 to 1999 | 948 |
| Moved in 1989 and earlier | 690 |
| Owner-occupied units | 4,844 |
| Less than $50,000 | 101 |
| $50,000 to $99,999 | 48 |
| $100,000 to $149,999 | 1 |
| $150,000 to $199,999 | 67 |
| $200,000 to $299,999 | 536 |
| $300,000 to $499,999 | 2,358 |
| $500,000 to $999,999 | 1,690 |
| $1,000,000 or more | 43 |
| Median (dollars) | 451,900 |
| Owner-occupied units | 4,844 |
| Housing units with a mortgage | 3,612 |
| Housing units without a mortgage | 1,232 |
| Occupied units paying rent | 3,721 |
| Less than $500 | 102 |
| $500 to $999 | 208 |
| $1,000 to $1,499 | 750 |
| $1,500 to $1,999 | 1,529 |
| $2,000 to $2,499 | 877 |
| $2,500 to $2,999 | 133 |
| $3,000 or more | 122 |
| Median (dollars) | 1,762 |
| No rent paid | 46 |
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