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Mountlake Terrace city, WA

ZIP 98043 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 98043

98043 has a population of 21,417 with a median age of 38.2 yrs (49.0% male).

Race & Ethnicity
White
62.7%+2% vs US avg
x
Black
3.6%-71% vs US avg
x
Asian
10.4%+76% vs US avg
x
Hispanic
17.2%-8% vs US avg
x
Other / Two+
6.1%
x
Age Groups
0–17
17.7%-19% vs US avg
x
18–64
65.3%+6% vs US avg
x
65+
16.9%+4% vs US avg
x
Education
Less than HS
6.2%-45% vs US avg
x
High school
20.5%-22% vs US avg
x
Some college
31.5%+9% vs US avg
x
Bachelor's+
41.8%+24% vs US avg
x
Marital Status
Married
48.2%+0% vs US avg
x
Never married
33.8%-0% vs US avg
x
Divorced
12.3%+20% vs US avg
x
Widowed / Separated
5.7%
x
Diversity Index
56/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
8.0%-30% vs US avg
x
Foreign Born
30.1%+117% vs US avg
x
Veterans
5.9%-2% vs US avg
x
Disability
14.3%+7% vs US avg
x
Single Parent
8.7%+7% vs US avg
x
Recent Births
31.2%+438% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 98043

Poverty Rate
8.0%-30% vs US avg
x
Veterans
5.9%-2% vs US avg
x
Foreign Born
30.1%+117% vs US avg
x
Single Parent
8.7%+7% vs US avg
x
Disability
14.3%+7% vs US avg
x
Uninsured
7.2%-10% vs US avg
x
SNAP Benefits
6.6%-43% vs US avg
x
Private School
0.3%-97% vs US avg
x
Recent Births
31.2%+438% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population21,417
Median age38.2
Poverty rate8.0%
Demographics statistics
Demographics
White62.7%
Hispanic17.2%
Black3.6%
Asian10.4%
Foreign-born30.1%