---
{
  "adminArea": "United States · Oregon · Washington County",
  "aliases": [
    "华盛顿县"
  ],
  "availableLangs": [
    "zh",
    "en"
  ],
  "categories": [
    "category-geography"
  ],
  "coordinates": {
    "latitude": 45.56,
    "longitude": -123.09
  },
  "createdAt": "2026-10-29T03:05:37+08:00",
  "id": "place_us_or_washington_county",
  "lang": "en",
  "placeKind": "county",
  "revision": 3,
  "slug": "or-washington-county",
  "sources": [
    {
      "id": "enwiki",
      "title": "Washington County (Wikipedia)",
      "url": "https://en.wikipedia.org/wiki/Washington_County"
    },
    {
      "id": "uscb2023",
      "title": "U.S. Census Bureau 2023 FIPS state and county codes",
      "url": "https://www.census.gov/library/reference/code-lists/ansi.html"
    }
  ],
  "status": "published",
  "summary": "Washington County is a county in Oregon, United States, with county seat Hillsboro.",
  "tags": [],
  "title": "Washington County",
  "type": "place",
  "updatedAt": "2026-10-29T03:05:37+08:00",
  "updatedBy": "user:admin"
}
---

# Washington County

Washington County is a county in Oregon, United States, with county seat Hillsboro.

## Administrative divisions

Washington County is a county in Oregon, United States; the county seat is Hillsboro[^uscb2023].

## Basic facts

- State: [Oregon](/en/places/oregon.html)
- County seat: Hillsboro[^uscb2023]
- Division level: county[^uscb2023]

## Parent division

Located in [Oregon](/en/places/oregon.html).

更新时间：2026-10-29

## 标签


## 关系

- Located in：[Oregon](/en/places/oregon.html) 

## 正文反向链接

- [Oregon](/en/places/oregon.html)

## 来源

- Washington County (Wikipedia)：https://en.wikipedia.org/wiki/Washington_County 
- U.S. Census Bureau 2023 FIPS state and county codes：https://www.census.gov/library/reference/code-lists/ansi.html