Cheng County

Cheng County is a county in Longnan, Gansu, with administrative division code 621221.

## Administrative status

Cheng County is part of [[place_cn_621200|Longnan]] (prefecture-level city)[^mca2023].

## Basic facts

- Administrative division code: 621221[^mca2023]
- Area: 1,678.33 km²[^wikidata]
- Population: 241,587 (2020)[^wikidata]

Updated: 2026-10-25

Relations:
- Located in: Longnan (依据民政部2023年县以上行政区划代码的隶属层级。)

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Mentioned in:
- 陇南市

Sources:
- 2023年中华人民共和国县以上行政区划代码（民政部） https://www.mca.gov.cn/mzsj/xzqh/2023/202301xzqh.html 代码 621221 成县
- Wikidata Q477154 https://www.wikidata.org/wiki/Q477154
- Cheng County (Wikipedia) https://en.wikipedia.org/wiki/Cheng_County
- 成县（维基百科） https://zh.wikipedia.org/wiki/%E6%88%90%E5%8E%BF