---
{
  "adminArea": "United States · Indiana",
  "aliases": [
    "印第安纳州"
  ],
  "availableLangs": [
    "zh",
    "en"
  ],
  "categories": [
    "category-geography"
  ],
  "coordinates": {
    "latitude": 39.8942,
    "longitude": -86.2816
  },
  "createdAt": "2026-10-29T03:05:12+08:00",
  "id": "place_us_in",
  "lang": "en",
  "placeKind": "state",
  "revision": 3,
  "slug": "indiana",
  "sources": [
    {
      "id": "enwiki",
      "title": "Indiana (Wikipedia)",
      "url": "https://en.wikipedia.org/wiki/Indiana"
    },
    {
      "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": "Indiana is a state of the United States with FIPS code 18 and capital Indianapolis.",
  "tags": [],
  "title": "Indiana",
  "type": "place",
  "updatedAt": "2026-10-29T03:05:12+08:00",
  "updatedBy": "user:admin"
}
---

# Indiana

Indiana is a state of the United States with FIPS code 18 and capital Indianapolis.

## Administrative divisions

Indiana is a state of the United States with FIPS state code 18[^uscb2023]. Below the state level are counties (or independent cities), then municipalities and neighborhoods[^uscb2023].

## Basic facts

- FIPS state code: 18[^uscb2023]
- Capital: Indianapolis[^enwiki]
- Population: about 6,862,199 (2023 estimate)[^uscb2023]
- Area: 94,326 km2[^enwiki]
- Admitted to the Union: 1816[^enwiki]
- Time zone: Eastern / Central Time (UTC-5/-6)[^enwiki]
- ISO 3166-2: US-IN[^enwiki]

## Parent division

Located in [United States](/en/places/united-states.html).

## Subdivisions

Major counties: [Marion County](/en/places/in-marion-county.html), [Allen County](/en/places/in-allen-county.html), [Hamilton County](/en/places/in-hamilton-county.html), [Lake County](/en/places/in-lake-county.html), [Monroe County](/en/places/in-monroe-county.html).

Major cities: [Indianapolis](/en/places/in-indianapolis.html), [Fort Wayne](/en/places/in-fort-wayne.html), [Evansville](/en/places/in-evansville.html), [South Bend](/en/places/in-south-bend.html).

更新时间：2026-10-29

## 标签


## 关系


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## 来源

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