---
{
  "adminArea": "United States · Colorado · Boulder County",
  "aliases": [
    "博尔德县"
  ],
  "availableLangs": [
    "zh",
    "en"
  ],
  "categories": [
    "category-geography"
  ],
  "coordinates": {
    "latitude": 40.0755,
    "longitude": -105.3452
  },
  "createdAt": "2026-10-29T03:05:20+08:00",
  "id": "place_us_co_boulder_county",
  "lang": "en",
  "placeKind": "county",
  "revision": 4,
  "slug": "co-boulder-county",
  "sources": [
    {
      "id": "enwiki",
      "title": "Boulder County (Wikipedia)",
      "url": "https://en.wikipedia.org/wiki/Boulder_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": "Boulder County is a county in Colorado, United States, with county seat Boulder.",
  "tags": [],
  "title": "Boulder County",
  "type": "place",
  "updatedAt": "2026-10-29T03:05:20+08:00",
  "updatedBy": "user:admin"
}
---

# Boulder County

Boulder County is a county in Colorado, United States, with county seat Boulder.

## Administrative divisions

Boulder County is a county in Colorado, United States; the county seat is Boulder[^uscb2023].

## Basic facts

- State: [Colorado](/en/places/colorado.html)
- County seat: Boulder[^uscb2023]
- Division level: county[^uscb2023]

## Parent division

Located in [Colorado](/en/places/colorado.html).

更新时间：2026-10-29

## 标签


## 关系

- Located in：[Colorado](/en/places/colorado.html) 
- Contains places：[Boulder](/en/places/co-boulder.html) 

第 1 / 1 页，共 2 条。

## 正文反向链接

- [Colorado](/en/places/colorado.html)
- [Allenspark](/en/places/co-allenspark.html)
- [阿尔托纳](/en/places/co-altona.html)
- [巴克牧场](/en/places/co-bark-ranch.html)
- [富矿山庄园](/en/places/co-bonanza-mountain-estates.html)
- [煤溪](/en/places/co-coal-creek.html)
- [克里斯曼](/en/places/co-crisman.html)
- [埃尔多拉](/en/places/co-eldora.html)
- [Eldorado Springs](/en/places/co-eldorado-springs.html)
- [伊利](/en/places/co-erie.html)

## 来源

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