| Chaypareh County | |
| Native Name: | Persian: شهرستان چایپاره |
| Settlement Type: | County |
| Image Map1: | IranWestAzerbaijan-SVG.svg |
| Map Caption1: | Location of West Azerbaijan province in Iran |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | West Azerbaijan |
| Seat Type: | Capital |
| Seat: | Qarah Zia ol Din |
| Parts Type: | Districts |
| Parts Style: | para |
| P1: | Central |
| P2: | Hajjilar |
| Population As Of: | 2016 |
| Population Total: | 47292 |
| Coordinates: | 38.85°N 48°W |
| Coordinates Footnotes: | [1] |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Chaypareh County (Persian: شهرستان چایپاره) is in West Azerbaijan province, Iran. Its capital is the city of Qarah Zia ol Din.[2]
After the 2006 National Census, Chaypareh District was separated from Khoy County in the establishment of Chaypareh County, which was divided into two districts of two rural districts each, with Qarah Zia ol Din as its capital and only city at the time.[2] After the 2016 census, the village of Hajjilar was elevated to the status of a city.[3]
At the time of the 2011 census, the county's population was 43,206 people in 11,775 households.[4] The 2016 census measured the population of the county as 47,292 in 13,718 households.[5]
Chaypareh County's population history and administrative structure over two consecutive censuses are shown in the following table.
| Administrative Divisions | 2011 | 2016 | |
|---|---|---|---|
| Central District | 34,523 | 38,932 | |
| 4,827 | 4,662 | ||
| 5,927 | 7,503 | ||
| Qarah Zia ol Din (city) | 23,769 | 26,767 | |
| Hajjilar District | 8,683 | 8,360 | |
| 6,031 | 5,781 | ||
| 2,652 | 2,579 | ||
| Hajjilar (city) | |||
| Total | 43,206 | 47,292 | |