Mountlake Terrace, WA
Population 21,419 · Washington
About Mountlake Terrace, WA
Mountlake Terrace is a mid-sized city in Washington with a population of 21,419 residents. The median household income is $101,404 per year, which is above the national average. The median age in Mountlake Terrace is 38.2 years.
Housing in Mountlake Terrace has a median home value of $606,100 and median monthly rent of $1,966. Of the 9,504 total housing units, the majority are owner-occupied, with 5,118 owner-occupied and 3,999 renter-occupied units.
The unemployment rate in Mountlake Terrace is 4.9% and the poverty rate is 8.0%. 41.9% of residents hold a bachelor's degree or higher. The average commute time is 31 minutes.
Cost of Living in Mountlake Terrace, WA
Compared to national averages, Mountlake Terrace has a median household income of $101,404 (35% above the national median of $75,149). Home values average $606,100, which is 147% above the national median. Monthly rent at $1,966 is 69% above the US average of $1,163. Within Washington, Mountlake Terrace's income is 12% above the state average of $90,795, and home values are 32% above the state median of $460,491.
Why Live in Mountlake Terrace, WA?
Mountlake Terrace offers a strong local economy with a median household income of $101,404, well above the national average, and a well-educated community where 41.9% of residents hold a bachelor’s degree or higher, and a low poverty rate of 8.0%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $606,100. However, Mountlake Terrace’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Mountlake Terrace has a population of 21,419 with a median age of 38.2 years. Compare Mountlake Terrace with other cities to see how it stacks up, or explore all cities in Washington.
Similar Cities Near Mountlake Terrace
Cities in Washington with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Five Corners | 21,444 | $102,423 | $432,800 | Compare |
| Tukwila | 21,479 | $80,534 | $462,800 | Compare |
| Mukilteo | 21,312 | $122,612 | $830,000 | Compare |
| Battle Ground | 21,293 | $100,185 | $452,000 | Compare |
| Silverdale | 21,046 | $101,445 | $507,600 | Compare |
| Silver Firs | 21,796 | $153,026 | $791,700 | Compare |
| Bothell West | 21,014 | $144,941 | $757,700 | Compare |
| Covington | 20,957 | $126,730 | $590,100 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Washington
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Mountlake Terrace
What is the population of Mountlake Terrace, WA?
The population of Mountlake Terrace, WA is 21,419 according to the latest Census data.
What is the median household income in Mountlake Terrace?
The median household income in Mountlake Terrace, WA is $101,404 per year.
What is the median home value in Mountlake Terrace?
The median home value in Mountlake Terrace, WA is $606,100.
What is the average rent in Mountlake Terrace?
The median monthly rent in Mountlake Terrace, WA is $1,966.
What is the unemployment rate in Mountlake Terrace?
The unemployment rate in Mountlake Terrace, WA is 4.9%.