| Najafabad County | |
| Native Name: | Persian: شهرستان نجف آباد |
| Settlement Type: | County |
| Image Map1: | IranEsfahan-SVG.svg |
| Map Caption1: | Location of Isfahan province in Iran |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Isfahan |
| Seat Type: | Capital |
| Seat: | Najafabad |
| Parts Type: | Districts |
| Parts Style: | para |
| P1: | Central |
| P2: | Mehrdasht |
| Population As Of: | 2016 |
| Population Total: | 319205 |
| Coordinates: | 32.8833°N 52°W |
| Coordinates Footnotes: | [1] |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Najafabad County (Persian: شهرستان نجف آباد) is in Isfahan province, Iran. Its capital is the city of Najafabad.[2]
After the 2006 National Census, the village of Jowzdan was elevated to the status of a city.
At the time of the 2006 census, the county's population was 279,014 in 73,711 households.[3] The following census in 2011 counted 300,288 people in 87,481 households.[4] The 2016 census measured the population of the county as 319,205 in 98,513 households.[5]
Najafabad County's population history and administrative structure over three consecutive censuses are shown in the following table.
| Administrative Divisions | 2006 | 2011 | 2016 | |
|---|---|---|---|---|
| Central District | 254,672 | 274,393 | 293,275 | |
| 9,098 | 3,300 | 3,248 | ||
| 7,579 | 9,753 | 11,666 | ||
| 921 | 321 | 405 | ||
| Goldasht (city) | 22,693 | 23,192 | 25,235 | |
| Jowzdan (city) | 6,749 | 6,998 | ||
| Kahriz Sang (city) | 8,267 | 9,264 | 10,442 | |
| Najafabad (city) | 206,114 | 221,814 | 235,281 | |
| Mehrdasht District | 24,342 | 25,895 | 25,928 | |
| 5,382 | 5,439 | 4,902 | ||
| 5,440 | 5,220 | 4,687 | ||
| Alavijeh (city) | 5,692 | 7,526 | 8,067 | |
| Dehaq (city) | 7,828 | 7,710 | 8,272 | |
| Total | 279,014 | 300,288 | 319,205 | |