Census 2010: Washington › Mill Creek

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Mill Creek

Square miles: 4.7 Population per sq. mile: 3,906.5

  • 2010 population: 18,244
  • 2000 population: 11,525
  • Total change: 6,719 (58.3%)

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2010 population by race/ethnicity

Diversity Index: 46.6%
The USA TODAY Diversity Index represents the probability that two people from this area will have different ethnic backgrounds. A higher number reflects a more ethnically diverse population.

Age breakdown Median: 38.9 years old

Mill Creek population

Race/ethnicity2010 population2010 percentage2000 population2000 percentage2000-2010 change
White13,53774.2%9,39281.5%44.1%
Black3962.2%1631.4%142.9%
American Indian/Alaska Native920.5%500.4%84.0%
Asian3,04616.7%1,45712.6%109.1%
Native Hawaiian/Pacific Islander810.4%290.3%179.3%
Other race2901.6%1291.1%124.8%
Two or more races8024.4%3052.6%163.0%
Total18,244100%11,525100%58.3%
*Hispanic origin1,0265.6%3753.3%173.6%

*Residents of Hispanic origin can be of any race.

Ages 0-17

Population: 4,259 (23.3%)

Diversity Index: 60.9%

Ages 18+

Population: 13,985 (76.7%)

Diversity Index: 43.8%

Race/ethnicityAges 0-17% of 0-17 totalAges 18+% of 18+ total
White2,81266.0%10,72576.7%
Black1032.4%2932.1%
American Indian/Alaska Native210.5%710.5%
Asian76217.9%2,28416.3%
Native Hawaiian/Pacific Islander240.6%570.4%
Other race1032.4%1871.3%
Two or more races43410.2%3682.6%
Total4,259100%13,985100%
*Hispanic origin3909.2%6364.5%

*Residents of Hispanic origin can be of any race.

Gender
Male2010
Population8,872 (48.6%)
Median age38.1
Female2010
Population9,372 (51.4%)
Median age39.8
Age breakdown by gender
AgePopulation% of totalMale% of male totalFemale% of female total
Under 102,26712.4%1,14913.0%1,11811.9%
10 to 19 years2,37113.0%1,23513.9%1,13612.1%
20 to 29 years2,42513.3%1,15413.0%1,27113.6%
30 to 39 years2,36012.9%1,16513.1%1,19512.8%
40 to 49 years2,79815.3%1,35815.3%1,44015.4%
50 to 59 years2,64914.5%1,29914.6%1,35014.4%
60 to 69 years1,82310.0%8719.8%95210.2%
70 to 79 years8664.7%3934.4%4735.0%
80 and older6853.8%2482.8%4374.7%
Total18,244100%8,872100%9,372100%

*Residents of Hispanic origin can be of any race.

Household types
Families 2010
Avg. size 3.0
Households 4,921 (65.2%)
Non-families 2010
Avg. size 2.4
Households 2,630 (34.8%)
Family composition
Households ‡ 2010 % of households % of families
Husband-wife family, without children 2,313 30.6% 47.0%
Husband-wife family, with children under 18 years 1,742 23.1% n/a
Single male, no children (with other family) 105 1.4% 2.1%
Single male, with children under 18 years 139 1.8% n/a
Single female, no children (with other family) 217 2.9% 4.4%
Single female, with children under 18 years 405 5.4% n/a
Single male living alone 855 11.3% n/a
Single female living alone 1,213 16.1% n/a
Other non-family households (ex.: roommates) 562 7.4% n/a
Total 7,551 100% n/a
Family households 4,921 65.2% 100%
Families with children under 18 years 2,286 30.3% n/a
Non-family households 2,630 34.8% n/a
All households with individuals 65 years and over 1,691 22.4% n/a

‡ United States Census Bureau definitions:

Household — A household includes all of the people who occupy a housing unit. People not living in households are classified as living in group quarters. (Ex: college residence halls, skilled-nursing facilities, military barracks, …)
Family — A family includes a householder and one or more people living in the same household who are related to the householder by birth, marriage, or adoption.
Non-family Household — A householder living alone or with nonrelatives only.

Note: Family households and husband-wife-couple families do not include same-sex married couples even if the marriage was performed in a state issuing marriage certificates for same-sex couples. Same-sex-couple households are included in the family households category if there is at least one additional person related to the householder by birth or adoption. Same-sex-couple households with no relatives of the householder present are tabulated in nonfamily households.

Housing Units
Owner-occupied2010
Population12,471
Avg. household size2.6
Renter-occupied2010
Population5,768
Avg. household size2.1
Vacancies
Vacancy Rate2010
Owner-occupied properties2%
Renter-occupied properties5.2%
Overall vacancy rate4.7%
Housing Units2010% of total
Occupied7,55195.3%
Vacant372 4.7%
For rent1521.9%
Rented, but unoccupied90.1%
For sale971.2%
Sold, but unoccupied80.1%
Seasonal use only520.7%
Other vacant units540.7%
Total7,923100%
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Credits: Ryan Pitts, Mike Tigas Special thanks: USA Today Census team