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Mesa city, WA

ZIP 99330 — People & Community

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

Upper Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 99330

99330 has a population of 1,104 with a median age of 32.3 yrs (54.5% male).

Race & Ethnicity
White
65.5%+6% vs US avg
x
Black
0.0%
x
Asian
0.0%
x
Hispanic
24.7%+32% vs US avg
x
Other / Two+
9.8%
x
Age Groups
0–17
28.0%+27% vs US avg
x
18–64
57.1%-8% vs US avg
x
65+
14.9%-8% vs US avg
x
Education
Less than HS
23.4%+110% vs US avg
x
High school
28.9%+10% vs US avg
x
Some college
32.2%+11% vs US avg
x
Bachelor's+
15.6%-54% vs US avg
x
Marital Status
Married
67.0%+39% vs US avg
x
Never married
28.1%-17% vs US avg
x
Divorced
2.5%-76% vs US avg
x
Widowed / Separated
2.4%
x
Diversity Index
50/100

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

Social & household profile

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

Poverty Rate
1.4%-87% vs US avg
x
Foreign Born
0.0%
x
Veterans
5.5%-8% vs US avg
x
Disability
11.0%-18% vs US avg
x
Single Parent
0.0%
x
Top ancestry
GermanSwissEnglish

Health & Community Indicators in 99330

Poverty Rate
1.4%-87% vs US avg
x
Veterans
5.5%-8% vs US avg
x
Foreign Born
0.0%
x
Single Parent
0.0%
x
Disability
11.0%-18% vs US avg
x
Uninsured
17.7%+121% vs US avg
x
SNAP Benefits
10.9%-7% vs US avg
x
Private School
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population1,104
Median age32.3
Poverty rate1.4%
Demographics statistics
Demographics
White65.5%
Hispanic24.7%
Black0.0%
Asian0.0%
Foreign-born0.0%