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Kennewick city, WA

ZIP 99338 — 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 99338

99338 has a population of 19,235 with a median age of 39.2 yrs (51.4% male).

Race & Ethnicity
White
78.0%+27% vs US avg
x
Black
2.4%-81% vs US avg
x
Asian
2.2%-63% vs US avg
x
Hispanic
16.4%-12% vs US avg
x
Other / Two+
1.0%
x
Age Groups
0–17
28.4%+29% vs US avg
x
18–64
55.2%-10% vs US avg
x
65+
16.3%+0% vs US avg
x
Education
Less than HS
6.0%-46% vs US avg
x
High school
18.0%-31% vs US avg
x
Some college
33.7%+17% vs US avg
x
Bachelor's+
42.4%+26% vs US avg
x
Marital Status
Married
61.6%+28% vs US avg
x
Never married
27.4%-19% vs US avg
x
Divorced
8.1%-22% vs US avg
x
Widowed / Separated
3.0%
x
Diversity Index
36/100

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

Social & household profile

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

Poverty Rate
8.2%-28% vs US avg
x
Foreign Born
17.4%+25% vs US avg
x
Veterans
10.1%+69% vs US avg
x
Disability
10.3%-23% vs US avg
x
Single Parent
5.2%-36% vs US avg
x
Recent Births
49.9%+761% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 99338

Poverty Rate
8.2%-28% vs US avg
x
Veterans
10.1%+69% vs US avg
x
Foreign Born
17.4%+25% vs US avg
x
Single Parent
5.2%-36% vs US avg
x
Disability
10.3%-23% vs US avg
x
Uninsured
4.8%-41% vs US avg
x
SNAP Benefits
8.8%-24% vs US avg
x
Private School
1.0%-90% vs US avg
x
Recent Births
49.9%+761% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population19,235
Median age39.2
Poverty rate8.2%
Demographics statistics
Demographics
White78.0%
Hispanic16.4%
Black2.4%
Asian2.2%
Foreign-born17.4%