---
{
  "adminArea": "United States · New Jersey · Middlesex County",
  "aliases": [
    "米德尔塞克斯县"
  ],
  "availableLangs": [
    "zh",
    "en"
  ],
  "categories": [
    "category-geography"
  ],
  "coordinates": {
    "latitude": 40.58,
    "longitude": -74.42
  },
  "createdAt": "2026-10-29T03:05:33+08:00",
  "id": "place_us_nj_middlesex_county",
  "lang": "en",
  "placeKind": "county",
  "revision": 4,
  "slug": "nj-middlesex-county",
  "sources": [
    {
      "id": "enwiki",
      "title": "Middlesex County (Wikipedia)",
      "url": "https://en.wikipedia.org/wiki/Middlesex_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": "Middlesex County is a county in New Jersey, United States, with county seat New Brunswick.",
  "tags": [],
  "title": "Middlesex County",
  "type": "place",
  "updatedAt": "2026-10-29T03:05:33+08:00",
  "updatedBy": "user:admin"
}
---

# Middlesex County

Middlesex County is a county in New Jersey, United States, with county seat New Brunswick.

## Administrative divisions

Middlesex County is a county in New Jersey, United States; the county seat is New Brunswick[^uscb2023].

## Basic facts

- State: [New Jersey](/en/places/new-jersey.html)
- County seat: New Brunswick[^uscb2023]
- Division level: county[^uscb2023]

## Parent division

Located in [New Jersey](/en/places/new-jersey.html).

更新时间：2026-10-29

## 标签


## 关系

- Located in：[New Jersey](/en/places/new-jersey.html) 
- Contains places：[Avenel](/en/places/nj-avenel.html) 
- Contains places：[Brownville](/en/places/nj-brownville.html) 
- Contains places：[Carteret](/en/places/nj-carteret.html) 
- Contains places：[Clearbrook Park](/en/places/nj-clearbrook-park.html) 
- Contains places：[Colonia](/en/places/nj-colonia.html) 
- Contains places：[Cranbury](/en/places/nj-cranbury.html) 
- Contains places：[Dayton](/en/places/nj-dayton.html) 
- Contains places：[Concordia](/en/places/nj-concordia.html) 
- Contains places：[Dunellen](/en/places/nj-dunellen.html) 
- Contains places：[East Brunswick](/en/places/nj-east-brunswick.html) 
- Contains places：[Edison](/en/places/nj-edison.html) 
- Contains places：[Fords](/en/places/nj-fords.html) 
- Contains places：[Franklin Park](/en/places/nj-franklin-park.html) 
- Contains places：[Heathcote](/en/places/nj-heathcote.html) 
- Contains places：[Highland Park](/en/places/nj-highland-park.html) 
- Contains places：[Helmetta](/en/places/nj-helmetta.html) 
- Contains places：[Iselin](/en/places/nj-iselin.html) 
- Contains places：[Jamesburg](/en/places/nj-jamesburg.html) 
- Contains places：[Kendall Park](/en/places/nj-kendall-park.html) 
- Contains places：[Kingston](/en/places/nj-kingston.html) 
- Contains places：[Laurence Harbor](/en/places/nj-laurence-harbor.html) 
- Contains places：[Madison Park](/en/places/nj-madison-park.html) 
- Contains places：[Metuchen](/en/places/nj-metuchen.html) 
- Contains places：[Middlesex](/en/places/nj-middlesex.html) 
- Contains places：[Milltown](/en/places/nj-milltown.html) 
- Contains places：[Monmouth Junction](/en/places/nj-monmouth-junction.html) 
- Contains places：[New Brunswick](/en/places/nj-new-brunswick.html) 
- Contains places：[Old Bridge](/en/places/nj-old-bridge.html) 
- Contains places：[Perth Amboy](/en/places/nj-perth-amboy.html) 
- Contains places：[Piscataway](/en/places/nj-piscataway.html) 
- Contains places：[Plainsboro Center](/en/places/nj-plainsboro-center.html) 
- Contains places：[Port Reading](/en/places/nj-port-reading.html) 
- Contains places：[Princeton Meadows](/en/places/nj-princeton-meadows.html) 
- Contains places：[Rossmoor](/en/places/nj-rossmoor.html) 
- Contains places：[Sayreville](/en/places/nj-sayreville.html) 
- Contains places：[Sayreville Junction](/en/places/nj-sayreville-junction.html) 
- Contains places：[Sewaren](/en/places/nj-sewaren.html) 
- Contains places：[Society Hill](/en/places/nj-society-hill.html) 
- Contains places：[South Amboy](/en/places/nj-south-amboy.html) 
- Contains places：[South Old Bridge](/en/places/nj-south-old-bridge.html) 
- Contains places：[South Plainfield](/en/places/nj-south-plainfield.html) 
- Contains places：[South River](/en/places/nj-south-river.html) 
- Contains places：[Spotswood](/en/places/nj-spotswood.html) 
- Contains places：[Woodbridge](/en/places/nj-woodbridge.html) 
- Contains places：[North Brunswick](/en/places/nj-north-brunswick.html) 
- Contains places：[Whittingham](/en/places/nj-whittingham.html) 

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## 正文反向链接

- [New Jersey](/en/places/new-jersey.html)
- [Avenel](/en/places/nj-avenel.html)
- [Brownville](/en/places/nj-brownville.html)
- [Carteret](/en/places/nj-carteret.html)
- [Colonia](/en/places/nj-colonia.html)
- [Concordia](/en/places/nj-concordia.html)
- [Cranbury](/en/places/nj-cranbury.html)
- [Dayton](/en/places/nj-dayton.html)
- [Dunellen](/en/places/nj-dunellen.html)
- [East Brunswick](/en/places/nj-east-brunswick.html)

## 来源

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