Ilwaco city, Washington
Official LSAD Designation: Ilwaco city • Census GEOID: 5333000
• Pacific County
Ilwaco city is an incorporated city in Pacific County, Washington. According to official records from the Census (2025), Ilwaco city had an estimated population of 1,112 residents. Official Census Bureau geographic records classify this community under LSAD designation Ilwaco city (GEOID 5333000).
Local Government Administration U.S. Census Bureau GMAF
City Of Ilwaco
Municipal
Official Title:
Treasurer
Address:
PO BOX 548, ILWACO WA 98624-0548
County Of Pacific
County
Official Title:
County Commissioner
Address:
PO BOX 187, SOUTH BEND WA 98586-0187
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 1,112 | 2025 |
| Median Household Income | $98,200 | 2020-2024 |
| Median Home Value | $370,300 | 2020-2024 |
| Land Area | 2.05 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).