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Centralia city, WA

ZIP 98531 — People & Community

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

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 98531

98531 has a population of 27,356 with a median age of 38.4 yrs (48.8% male).

Race & Ethnicity
White
79.2%+29% vs US avg
x
Black
0.9%-92% vs US avg
x
Asian
1.2%-79% vs US avg
x
Hispanic
19.3%+3% vs US avg
x
Age Groups
0–17
22.4%+2% vs US avg
x
18–64
58.7%-5% vs US avg
x
65+
18.9%+16% vs US avg
x
Education
Less than HS
12.3%+11% vs US avg
x
High school
30.0%+15% vs US avg
x
Some college
36.6%+27% vs US avg
x
Bachelor's+
21.1%-37% vs US avg
x
Marital Status
Married
44.9%-7% vs US avg
x
Never married
30.0%-11% vs US avg
x
Divorced
18.7%+81% vs US avg
x
Widowed / Separated
6.4%
x
Diversity Index
33/100

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

Social & household profile

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

Poverty Rate
17.0%+48% vs US avg
x
Foreign Born
20.3%+46% vs US avg
x
Veterans
7.7%+28% vs US avg
x
Disability
19.3%+44% vs US avg
x
Single Parent
10.2%+25% vs US avg
x
Recent Births
73.5%+1167% vs US avg
x
Top ancestry
GermanAmericanIrish

Health & Community Indicators in 98531

Poverty Rate
17.0%+48% vs US avg
x
Veterans
7.7%+28% vs US avg
x
Foreign Born
20.3%+46% vs US avg
x
Single Parent
10.2%+25% vs US avg
x
Disability
19.3%+44% vs US avg
x
Uninsured
10.1%+26% vs US avg
x
SNAP Benefits
22.4%+91% vs US avg
x
Private School
0.3%-97% vs US avg
x
Recent Births
73.5%+1167% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population27,356
Median age38.4
Poverty rate17.0%
Demographics statistics
Demographics
White79.2%
Hispanic19.3%
Black0.9%
Asian1.2%
Foreign-born20.3%