Mountlake Terrace, WA Population

Overview

21,210

Total Population

37.7

Median age

51.41%

Female population %

94.5:100

Gender ratio (M:F)

35-39 years

Largest age group

42.9

Total dependency ratio

White

Largest racial group

2,778

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Mountlake Terrace's population is young compared to the rest of the country:

The median age in Mountlake Terrace is 37.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Mountlake Terrace's population under 18 was 18.95%, compared to the 22.51% nationwide.
Mountlake Terrace's elderly or the senior population (over 65 age) was 13.85% as compared to 16.04% nationwide.
Of the total population in Mountlake Terrace, 16.19% were under the age of 15, 18.27% aged 15 to 29, 51.69% aged 30 to 64, 11.50% aged 65 to 84, and 2.35% were 85 years of age and older.

There are 598 more females than males in Mountlake Terrace:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.41% females and 48.59% males in Mountlake Terrace, WA.
The Mountlake Terrace, WA gender ratio is 94.5:100 i.e. 94.5 men to 100 women (0.945).
For male population, the largest age group is 35-39 years with a population of 1,009.
For the female population, the largest age group is 35-39 years with a population of 1,254.

Mountlake Terrace's population has become increasingly diverse:

Racial distribution of Mountlake Terrace population: 68.24% are White, 4.85% are Black or African American, 0.76% are American Indian and Alaska Native, 9.60% are Asian, 0.71% are Native Hawaiian and other Pacific Islander, 7.26% are some other race and 8.60% are multiracial.
Mountlake Terrace's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 2,778 is Hispanic or Latino (of any race), and 18,432 (86.90% of the total population) is Non-Hispanic.
The largest racial group in Mountlake Terrace is White with a population of 14,473 (68.24% of the total population).

Mountlake Terrace's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 21,543 in the year 2022
From 2000 to 2010, Mountlake Terrace's population decreased by 517 (2.53%), as compared to the national growth of 9.63%.
From 2010 to 2020, Mountlake Terrace's population increased by 1,374 (6.90%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Mountlake Terrace's population was lowest in year 2010 at 19,908.