---
{
  "adminArea": "United States · Illinois · Jersey County",
  "availableLangs": [
    "zh",
    "en"
  ],
  "categories": [
    "category-geography"
  ],
  "coordinates": {
    "latitude": 39.08566,
    "longitude": -90.35668
  },
  "createdAt": "2026-10-29T10:30:07+08:00",
  "id": "place_us_il_jersey_county",
  "lang": "en",
  "placeKind": "county",
  "revision": 2,
  "slug": "il-jersey-county",
  "sources": [
    {
      "id": "geonames",
      "title": "GeoNames US dataset (US.txt / admin2Codes.txt)",
      "url": "https://download.geonames.org/export/dump/US.zip"
    }
  ],
  "status": "published",
  "summary": "Jersey County is a county of Illinois, United States.",
  "tags": [],
  "title": "Jersey County",
  "type": "place",
  "updatedAt": "2026-10-29T10:30:07+08:00",
  "updatedBy": "user:admin"
}
---

# Jersey County

Jersey County is a county of Illinois, United States.

## Overview

Jersey County is a county of [Illinois](/en/places/illinois.html), United States (FIPS il083), with a population of about 21,512[^geonames].

## Geography

- Coordinates: 39.0857, -90.3567
- Time zone: America/Chicago

更新时间：2026-10-29

## 标签


## 关系

- Located in：[Illinois](/en/places/illinois.html) 
- Contains places：[Elsah](/en/places/il-elsah.html) 
- Contains places：[Fieldon](/en/places/il-fieldon.html) 
- Contains places：[Fidelity](/en/places/il-fidelity.html) 
- Contains places：[Grafton](/en/places/il-grafton.html) 
- Contains places：[Jerseyville](/en/places/il-jerseyville.html) 
- Contains places：[Otterville](/en/places/il-otterville.html) 

第 1 / 1 页，共 7 条。

## 正文反向链接

- [Elsah](/en/places/il-elsah.html)
- [Fidelity](/en/places/il-fidelity.html)
- [Fieldon](/en/places/il-fieldon.html)
- [Grafton](/en/places/il-grafton.html)
- [Jerseyville](/en/places/il-jerseyville.html)
- [Otterville](/en/places/il-otterville.html)

## 来源

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