ZIP Code 98531, Washington
ZIP Code 98531 profile, demographic data, and geographic information.
ZCTA5 98531 is a 5-digit ZIP Code area located in Lewis County / Thurston County, Washington. As of official census estimates, it has a reported population of 27,337. The land area covers 129.16 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 27,337 | ±1,071 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 40.3 yrs | ±1.3 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 11,123 | ±501 | 2020-2024 / Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).
Housing & Real Estate Profile
| Housing Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Total Housing Units | 11,525 | ±485 |
| Occupied Housing Units | 11,123 | ±501 |
| Vacant Housing Units | 402 | ±169 |
| Median Home Value | $343,000 | ±$13,272 |
| Median Gross Rent | $1,130 | ±$86 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $63,406 | ±$5,644 |
| Per Capita Income | $32,793 | ±$2,008 |
| Poverty Rate | 16.6% | ±2.9% |
| Population Below Poverty Level | 4,470 | ±806 |
| Unemployment Rate | 4.6% | ±1.5% |
| Civilian Labor Force, Employed | 12,101 | ±777 |
| Broadband Internet Rate | 90.5% | ±1.7% |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 87,049 (2024)
ID: 176799
|
County | Official County Government |
Contact: BUDGET DIRECTOR
351 NW NORTH ST, CHEHALIS WA 98532-1926
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Regular School Nearby | PK-05 | Chehalis, WA | |
| Regular School Nearby | 06-12 | Chehalis, WA | |
| Regular School Nearby | 03-12 | Curtis, WA | |
| Regular School Nearby | PK-08 | Curtis, WA | |
| Regular School Nearby | 09-12 | Centralia, WA | |
| Regular School Nearby | 07-08 | Centralia, WA | |
| Regular School Nearby | PK | Centralia, WA | |
| Regular School Nearby | 06-08 | Chehalis, WA | |
| Regular School Nearby | KG-06 | Centralia, WA | |
| Regular School Nearby | KG-06 | WINLOCK, WA |
Source: k12guides.com.
Community Facilities & Infrastructure
Displaying 10 civic institutions across 2 datasets queried
CMS • IPEDS • IMLS
| Facility Name | Category | Relationship | Address / Location | Contact |
|---|---|---|---|---|
|
Centralia Beauty College
|
College Vocational | 3.2 mi away | 217 S Tower Avenue, Centralia, WA, 98531 |
3607362866
|
|
CENTRALIA TIMBERLAND LIBRARY
|
Library | 3.2 mi away | 110 S SILVER ST, CENTRALIA, WA, 98531 |
(360) 736-0183
|
|
Centralia College
|
College | 3.4 mi away | 600 Centralia College Blvd., Centralia, WA, 98531-4099 |
3607369391
|
|
CHEHALIS (VERNETTA SMITH) TIMBERLAND LIBRARY
|
Library | 6.3 mi away | 400 N. MARKET BLVD., CHEHALIS, WA, 98532 |
(360) 748-3301
|
|
South Puget Sound Community College
|
College | 19.5 mi away | 2011 Mottman Rd SW, Olympia, WA, 98512-6292 |
3605965200
|
|
TENINO TIMBERLAND LIBRARY
|
Library | 8.2 mi away | 172 CENTRAL AVE. W., TENINO, WA, 98589 |
(360) 264-2369
|
|
Saint Martin's University
|
College | 21.0 mi away | 5000 Abbey Way SE, Lacey, WA, 98503-7500 |
3604914700
|
|
TUMWATER TIMBERLAND LIBRARY
|
Library | 16.7 mi away | 7023 NEW MARKET ST., TUMWATER, WA, 98501 |
(360) 943-7790
|
|
The Evergreen State College
|
College | 23.2 mi away | 2700 Evergreen Pkwy NW, Olympia, WA, 98505-0001 |
3608676170
|
|
OAKVILLE TIMBERLAND LIBRARY
|
Library | 17.2 mi away | 204 MAIN ST., OAKVILLE, WA, 98568 |
(360) 273-5305
|
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.
Climate & Weather Observations
NOAA Monthly Climate Normals
Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at CENTRALIA, WA US, located 2.9 miles from ZCTA5 98531. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 46.1° | 34.2° | 40.2° | 5.85" | — |
| February | 49.5° | 33.9° | 41.7° | 4.24" | — |
| March | 54.1° | 35.9° | 45.0° | 4.39" | — |
| April | 59.5° | 39.1° | 49.3° | 3.24" | — |
| May | 66.6° | 44.4° | 55.5° | 2.44" | — |
| June | 71.1° | 49.1° | 60.1° | 1.53" | — |
| July | 77.5° | 52.9° | 65.2° | 0.50" | — |
| August | 78.2° | 52.8° | 65.5° | 0.84" | — |
| September | 72.6° | 48.4° | 60.5° | 1.59" | — |
| October | 61.1° | 42.7° | 51.9° | 4.00" | — |
| November | 50.7° | 37.1° | 43.9° | 6.53" | — |
| December | 45.0° | 33.9° | 39.4° | 6.44" | — |
Source: NOAA U.S. Climate Normals (1991–2020).
Local Weather Forecast
Weather forecast data is currently unavailable in the local cache.
Nearby Cities & Communities
Listing adjacent communities by spatial proximity (miles)
Proximity discovery
| Community Name | Classification | Distance | Population |
|---|---|---|---|
| Centralia city | City | 3.7 mi | — |
| Bucoda town | Town | 3.9 mi | — |
| Fords Prairie CDP | CDP | 4.9 mi | — |
| Chehalis city | City | 6.2 mi | — |
| Grand Mound CDP | CDP | 6.5 mi | — |
| Tenino city | City | 7.9 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 98531. • Official Source Dataset →
- Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
- Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.