---
{
  "adminArea": "United States · Illinois · Saint Clair County",
  "availableLangs": [
    "zh",
    "en"
  ],
  "categories": [
    "category-geography"
  ],
  "coordinates": {
    "latitude": 38.47031,
    "longitude": -89.92841
  },
  "createdAt": "2026-10-29T10:30:09+08:00",
  "id": "place_us_il_saint_clair_county",
  "lang": "en",
  "placeKind": "county",
  "revision": 2,
  "slug": "il-saint-clair-county",
  "sources": [
    {
      "id": "geonames",
      "title": "GeoNames US dataset (US.txt / admin2Codes.txt)",
      "url": "https://download.geonames.org/export/dump/US.zip"
    }
  ],
  "status": "published",
  "summary": "Saint Clair County is a county of Illinois, United States.",
  "tags": [],
  "title": "Saint Clair County",
  "type": "place",
  "updatedAt": "2026-10-29T10:30:09+08:00",
  "updatedBy": "user:admin"
}
---

# Saint Clair County

Saint Clair County is a county of Illinois, United States.

## Overview

Saint Clair County is a county of [Illinois](/en/places/illinois.html), United States (FIPS il163), with a population of about 257,400[^geonames].

## Geography

- Coordinates: 38.4703, -89.9284
- Time zone: America/Chicago

更新时间：2026-10-29

## 标签


## 关系

- Located in：[Illinois](/en/places/illinois.html) 
- Contains places：[Alorton](/en/places/il-alorton.html) 
- Contains places：[Belleville](/en/places/il-belleville.html) 
- Contains places：[Brooklyn](/en/places/il-brooklyn.html) 
- Contains places：[Cahokia](/en/places/il-cahokia.html) 
- Contains places：[Caseyville](/en/places/il-caseyville.html) 
- Contains places：[Centreville](/en/places/il-centreville.html) 
- Contains places：[Darmstadt](/en/places/il-darmstadt.html) 
- Contains places：[East Carondelet](/en/places/il-east-carondelet.html) 
- Contains places：[East Saint Louis](/en/places/il-east-saint-louis.html) 
- Contains places：[Dupo](/en/places/il-dupo.html) 
- Contains places：[Fairmont City](/en/places/il-fairmont-city.html) 
- Contains places：[Fairview Heights](/en/places/il-fairview-heights.html) 
- Contains places：[Fayetteville](/en/places/il-fayetteville.html) 
- Contains places：[Freeburg](/en/places/il-freeburg.html) 
- Contains places：[Floraville](/en/places/il-floraville.html) 
- Contains places：[Lebanon](/en/places/il-lebanon.html) 
- Contains places：[Lenzburg](/en/places/il-lenzburg.html) 
- Contains places：[Marissa](/en/places/il-marissa.html) 
- Contains places：[Mascoutah](/en/places/il-mascoutah.html) 
- Contains places：[Millstadt](/en/places/il-millstadt.html) 
- Contains places：[New Athens](/en/places/il-new-athens.html) 
- Contains places：[National City](/en/places/il-national-city.html) 
- Contains places：[O'Fallon](/en/places/il-o-fallon.html) 
- Contains places：[Paderborn](/en/places/il-paderborn.html) 
- Contains places：[Rentchler](/en/places/il-rentchler.html) 
- Contains places：[Saint Libory](/en/places/il-saint-libory.html) 
- Contains places：[Sauget](/en/places/il-sauget.html) 
- Contains places：[Shiloh](/en/places/il-shiloh.html) 
- Contains places：[Smithton](/en/places/il-smithton.html) 
- Contains places：[Summerfield](/en/places/il-summerfield.html) 
- Contains places：[Swansea](/en/places/il-swansea.html) 
- Contains places：[Washington Park](/en/places/il-washington-park.html) 
- Contains places：[Scott Air Force Base](/en/places/il-scott-air-force-base.html) 

第 1 / 1 页，共 34 条。

## 正文反向链接

- [Alorton](/en/places/il-alorton.html)
- [Belleville](/en/places/il-belleville.html)
- [Brooklyn](/en/places/il-brooklyn.html)
- [Cahokia](/en/places/il-cahokia.html)
- [Caseyville](/en/places/il-caseyville.html)
- [Centreville](/en/places/il-centreville.html)
- [Darmstadt](/en/places/il-darmstadt.html)
- [East Carondelet](/en/places/il-east-carondelet.html)
- [East Saint Louis](/en/places/il-east-saint-louis.html)
- [Fairmont City](/en/places/il-fairmont-city.html)

## 来源

- GeoNames US dataset (US.txt / admin2Codes.txt)：https://download.geonames.org/export/dump/US.zip