ZIP Code 98531 has segments in 2 Counties (Lewis, Thurston).
Businesses Addresses: 1,024
PO Box Addresses: 600
Residential Addresses: 10,504
Multi-Family Addresses: 574
Single Family Addresses: 9,930
The ZIP Code maps and database are updated 4 times per year. Database updated: March 1, 2026, Maps updated: May 1, 2024.
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Centralia, WA 98531 Data & Demographics
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION
Total Population
27,337 (100%)
Population Density
212 per sq mi
Diversity Index1
42
INCOME
Median Household Income
$63,406
Per Capita Income
$32,793
Median Home Value
$343,000
HOUSING
Total HU (Housing Units)
11,525 (100%)
Owner Occupied HU
7,309 (63.4%)
Renter Occupied HU
3,814 (33.1%)
Vacant Housing Units
402 (3.5%)
HOUSEHOLDS
Total Households
11,123
Average Household Size
2.42
Family Households
6,727 (60.5%)
NOTES
The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).
Centralia, WA 98531 - Peer Comparisons by Rank and Percentile
The table below compares 98531 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
