BackHajdú County
Language
| District | Area (km2) |
Inhab. | Density | Hun. | Ger. | Slov. | Rom. | Russ. | Cro. | Serb. | Other | Notice |
| Hajduböszörményi | 296 | 25925 | 87.6 | 25870 | 29 | 11 | 11 | 1 | 3 | |||
| Hajduszoboszlói | 642 | 40245 | 62.7 | 40108 | 51 | 14 | 64 | 3 | 3 | 2 | ||
| Központi | 616 | 33931 | 55.1 | 33707 | 189 | 3 | 8 | 1 | 23 | |||
| Debreczen cmr. | 957 | 92729 | 96.9 | 91305 | 695 | 82 | 286 | 21 | 20 | 72 | 248 | |
| Hajduböszörmény cc. | 327 | 28159 | 86.1 | 28136 | 15 | 2 | 3 | 3 | ||||
| Hajdunánás cc. | 266 | 16781 | 63.1 | 16713 | 61 | 5 | 2 | |||||
| Hajduszoboszló cc. | 239 | 16093 | 67.3 | 16079 | 4 | 1 | 4 | 1 | 4 | |||
| 3343 | 253863 | 251918 | 1044 | 118 | 376 | 25 | 23 | 76 | 283 |
Religion
| District | Area (km2) |
Inhab. | Density | Rc. | Gc. | Calv. | Luth. | Go. | Unit. | Jew. |
| Hajduböszörményi | 296 | 25925 | 87.6 | 1632 | 9590 | 13468 | 56 | 24 | 2 | 1143 |
| Hajduszoboszlói | 642 | 40245 | 62.7 | 4877 | 266 | 32957 | 63 | 90 | 6 | 1934 |
| Központi | 616 | 33931 | 55.1 | 8263 | 414 | 23795 | 50 | 20 | 1350 | |
| Debreczen cmr. | 957 | 92729 | 96.9 | 16584 | 2655 | 63318 | 1274 | 386 | 54 | 8406 |
| Hajduböszörmény cc. | 327 | 28159 | 86.1 | 1361 | 2119 | 23547 | 45 | 4 | 915 | |
| Hajdunánás cc. | 266 | 16781 | 63.1 | 1116 | 187 | 14402 | 61 | 12 | 999 | |
| Hajduszoboszló cc. | 239 | 16093 | 67.3 | 1226 | 105 | 14161 | 21 | 6 | 1 | 554 |
| 3343 | 253863 | 35059 | 15336 | 185648 | 1570 | 542 | 63 | 15301 |
| Abbreviations: | ||||||
| Hun. Hungarian | Rc. Roman Catholic | Inhab. Inhabitants | ||||
| Ger. German | Gc. Greek Catholic | |||||
| Slov. Slovakian | Calv. Calvinist | cc. City with Council | ||||
| Rom. Romanian | Luth. Lutheran | cmr. City with Municipal Right | ||||
| Russ. Russniak | Go. Greek Orthodox | pv. Political Village (in Croatian-Slavonia) | ||||
| Cro. Croatian | Unit. Unitarian | v. Village (in Croatian-Slavonia) | ||||
| Serb. Serbian | Jew. Jewish | |||||