| ZIP Codes: | 22 ZIP Codes (18 Standard, 4 PO Box, 0 Unique) [See All] |
| Area Codes: | 360 / 564 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 11:55:36 PM |
| Population: | 86,887 [See All] |
| FIPS: | 53041 |
| CBSA: | Centralia, WA |
| Land Area: | 2,387 sq mi |
| Water Area: | 30 sq mi |
| Coordinates: | 46.5668, -122.6620 |
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86,887 residents live across 22 ZIPs covering 2,387 sq mi, served by 22 distinct USPS-recognized cities.
Population moved from 76,883 to 86,748 from 2014 to 2024 — a +12.8% change. 15 ZIPs gained residents, 4 lost (and 1 held flat).
The county's wealthiest ZIP 98538 (Curtis, $105,000 median) and poorest ZIP 98533 (Cinebar, $39,208) are 34.4 miles apart — a 2.7× income gap across local geography.
Median home values vary 2.0× across this county — from $246,600 in 98336 (Glenoma) to $482,100 in 98538 (Curtis).
Density varies 2063× across the county — from 1 people/sq mi in 98361 (Packwood) to 2,869 in 98565 (Napavine).
Educational attainment ranges from 9.4% bachelor's+ in 98572 (Pe Ell) to 27.0% in 98593 (Vader) — the breadth of educational profiles across the area.
Within Washington, this is the #15 most populous of 39 counties and ranks #22 for median household income with the #16 fastest decade growth .
Weighted by population, the typical household earns about $76,295 across the county — reflecting what a typical resident sees, not a simple ZIP average.
21.7% of adults age 25+ hold a bachelor's degree or higher (13,484 of 62,069 reporting).
18 Standard delivery, 4 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 98531 | Centralia | Standard | 27,337 | $63,406 | 131.9 | 13.6% |
| 98532 | Chehalis | Standard | 27,135 | $89,910 | 316.2 | 13.2% |
| 98596 | Winlock | Standard | 6,950 | $80,188 | 88.4 | -9.4% |
| 98570 | Onalaska | Standard | 5,319 | $95,795 | 77.4 | 27.8% |
| 98591 | Toledo | Standard | 3,965 | $78,952 | 108.6 | 11.1% |
| 98564 | Mossyrock | Standard | 3,382 | $60,147 | 161.0 | 41.2% |
| 98377 | Randle | Standard | 2,527 | $56,167 | 496.4 | 42.9% |
| 98356 | Morton | Standard | 2,172 | $60,060 | 113.0 | 9.3% |
| 98593 | Vader | Standard | 1,541 | $84,244 | 14.5 | 66.4% |
| 98336 | Glenoma | Standard | 981 | $67,632 | 83.0 | 13.3% |
| 98533 | Cinebar | Standard | 890 | $39,208 | 149.1 | 16.5% |
| 98572 | Pe Ell | Standard | 834 | $64,013 | 38.7 | 7.6% |
| 98355 | Mineral | Standard | 702 | $102,438 | 126.0 | 24.7% |
| 98542 | Ethel | Standard | 625 | $52,963 | 10.9 | 36.2% |
| 98565 | Napavine | PO Box | 568 | $73,750 | 0.2 | 10.1% |
| 98585 | Silver Creek | Standard | 465 | $74,167 | 22.4 | -29.5% |
| 98538 | Curtis | Standard | 460 | $105,000 | 113.9 | 103.5% |
| 98361 | Packwood | Standard | 457 | — | 328.6 | -56.2% |
| 98582 | Salkum | Standard | 438 | $89,387 | 6.2 | -13.1% |
| 98539 | Doty | PO Box | 139 | $87,625 | 0.5 | — |
| 98544 | Galvin | PO Box | 0 | — | 0.0 | — |
| 98522 | Adna | PO Box | — | — | 0.0 | — |