Mill Creek city, Washington demographics
Population: 20,665
Median age: 39.6
Median household income: 112,072
Mill Creek is a city in Snohomish County, Washington, United States.
Demographics, population, home values, social and economic characteristics of Mill Creek city, WA.
Population
| 2021 | 20,665 |
| 2020 | 20,750 |
| 2019 | 20,553 |
| 2018 | 20,164 |
| 2017 | 19,706 |
| 2016 | 19,372 |
| 2015 | 19,028 |
| 2014 | 18,667 |
| 2013 | 18,439 |
| 2012 | 18,163 |
| 2011 | 17,861 |
| 2010 | 17,485 |
Census data for Mill Creek city, Washington
Demographic and housing estimates in Mill Creek city, Washington
| Total population | 20,665 |
| Male | 9,694 |
| Female | 10,971 |
| Total population | 20,665 |
| Under 5 years | 1,146 |
| 5 to 9 years | 1,210 |
| 10 to 14 years | 1,411 |
| 15 to 19 years | 1,116 |
| 20 to 24 years | 1,059 |
| 25 to 34 years | 3,042 |
| 35 to 44 years | 2,858 |
| 45 to 54 years | 2,881 |
| 55 to 59 years | 1,501 |
| 60 to 64 years | 1,209 |
| 65 to 74 years | 1,798 |
| 75 to 84 years | 1,020 |
| 85 years and over | 414 |
| Median age (years) | 39.6 |
| Under 18 years | 4,444 |
| 16 years and over | 16,684 |
| 18 years and over | 16,221 |
| 21 years and over | 15,716 |
| 62 years and over | 3,985 |
| 65 years and over | 3,232 |
| Total population | 20,665 |
| One race | 19,064 |
| White | 13,177 |
| Black or African American | 919 |
| American Indian and Alaska Native | 79 |
| Asian | 4,133 |
| Native Hawaiian and Other Pacific Islander | 174 |
| Some other race | 582 |
| Two or more races | 1,601 |
| Citizen, VOTING AGE 18 and over population | 14,128 |
| Male Citizen, VOTING AGE 18 and over population | 6,638 |
| Female Citizen, VOTING AGE 18 and over population | 7,490 |
Social characteristics in Mill Creek city, Washington
| Total households | 8,492 |
| Family households (families) | 4,629 |
| Married-couple family | 651 |
| Male householder, no wife present, family | 946 |
| Female householder, no husband present, family | 780 |
| Nonfamily households | 2,266 |
| Average household size | 2,374 |
| Average family size | 2.42 |
Economic characteristics in Mill Creek city, Washington
| Total households | 8,492 |
| Less than $10,000 | 172 |
| $10,000 to $14,999 | 130 |
| $15,000 to $24,999 | 473 |
| $25,000 to $34,999 | 319 |
| $35,000 to $49,999 | 677 |
| $50,000 to $74,999 | 823 |
| $75,000 to $99,999 | 999 |
| $100,000 to $149,999 | 1,829 |
| $150,000 to $199,999 | 1,163 |
| $200,000 or more | 1,907 |
| Median household income (dollars) | 112,072 |
Housing characteristics in Mill Creek city, Washington
| Total housing units | 8,913 |
| Occupied housing units | 8,492 |
| Vacant housing units | 421 |
| Total housing units | 8,913 |
| 1-unit, detached | 4,623 |
| 1-unit, attached | 836 |
| 2 units | 35 |
| 3 or 4 units | 199 |
| 5 to 9 units | 683 |
| 10 to 19 units | 1,105 |
| 20 or more units | 1,413 |
| Mobile home | 19 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 8,913 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 1,099 |
| Built 2000 to 2009 | 2,140 |
| Built 1990 to 1999 | 2,393 |
| Built 1980 to 1989 | 2,322 |
| Built 1970 to 1979 | 774 |
| Built 1960 to 1969 | 129 |
| Built 1950 to 1959 | 22 |
| Built 1940 to 1949 | 34 |
| Built 1939 or earlier | 0 |
| Total housing units | 8,913 |
| 1 room | 208 |
| 2 rooms | 610 |
| 3 rooms | 842 |
| 4 rooms | 1,547 |
| 5 rooms | 901 |
| 6 rooms | 1,358 |
| 7 rooms | 1,018 |
| 8 rooms | 1,002 |
| 9 rooms or more | 1,427 |
| Median rooms | 5.8 |
| Total housing units | 8,913 |
| No bedroom | 208 |
| 1 bedroom | 1,324 |
| 2 bedrooms | 2,166 |
| 3 bedrooms | 2,653 |
| 4 bedrooms | 2,141 |
| 5 or more bedrooms | 421 |
| Occupied housing units | 8,492 |
| Owner-occupied | 4,916 |
| Renter-occupied | 3,576 |
| Average household size of owner-occupied unit | 2.72 |
| Average household size of renter-occupied unit | 2.02 |
| Occupied housing units | 8,492 |
| Moved in 2017 or later | 1,201 |
| Moved in 2015 to 2016 | 3,192 |
| Moved in 2010 to 2014 | 1,382 |
| Moved in 2000 to 2009 | 1,297 |
| Moved in 1990 to 1999 | 1,118 |
| Moved in 1989 and earlier | 302 |
| Owner-occupied units | 4,916 |
| Less than $50,000 | 84 |
| $50,000 to $99,999 | 28 |
| $100,000 to $149,999 | 19 |
| $150,000 to $199,999 | 14 |
| $200,000 to $299,999 | 111 |
| $300,000 to $499,999 | 844 |
| $500,000 to $999,999 | 3,564 |
| $1,000,000 or more | 252 |
| Median (dollars) | 647,800 |
| Owner-occupied units | 4,916 |
| Housing units with a mortgage | 3,573 |
| Housing units without a mortgage | 1,343 |
| Occupied units paying rent | 3,546 |
| Less than $500 | 53 |
| $500 to $999 | 51 |
| $1,000 to $1,499 | 575 |
| $1,500 to $1,999 | 1,168 |
| $2,000 to $2,499 | 1,103 |
| $2,500 to $2,999 | 481 |
| $3,000 or more | 115 |
| Median (dollars) | 1,968 |
| No rent paid | 30 |
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