Demographics in Mountlake Terrace, WA
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Mountlake Terrace?
Loading map…
Population
Source: U.S. Census Bureau ACS (2023)Total Population
21,419
Male
10,480
48.9%
Female
10,939
51.1%
Median Age
38.2
Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White62.9%
Black3.6%
Hispanic17.2%
Asian10.3%
Two or More11.0%
Other10.7%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
31.5%
High School or Higher
46.8%
Foreign Born
18.3%
Veterans
4.8%
Married
41.0%
Avg Household Size
2.3
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Mountlake Terrace, WA has a population of 21,419 with a median age of 38.2. The racial makeup is 62.9% White, 17.2% Hispanic, 3.6% Black, 10.3% Asian. About 31.5% of residents hold a bachelor's degree or higher. The foreign-born population is 18.3%.