| Kecamatan | 2011 | 2012 | 2013 | 2014 | 2015 |
|---|---|---|---|---|---|
| Ranteangin | 5 421 | 5 505 | 5 586 | 5 665 | 5 747 |
| Lambai | 5 489 | 5 634 | 5 782 | 5 929 | 6 071 |
| Wawo | 5 719 | 5 782 | 5 844 | 5 901 | 5 960 |
| Lasusua | 23 075 | 24 300 | 25 575 | 26 899 | 28 270 |
| Katoi | 5 996 | 6 194 | 6 396 | 6 600 | 6 806 |
| Kodeoha | 10 822 | 10 926 | 11 025 | 11 117 | 11 199 |
| Tiwu | 4 115 | 4 160 | 4 203 | 4 243 | 4 282 |
| Ngapa | 18 235 | 19 024 | 19 837 | 20 669 | 21 514 |
| Watunohu | 6 291 | 6 325 | 6 357 | 6 383 | 6 406 |
| Pakue | 9 503 | 9 595 | 9 682 | 9 764 | 9 838 |
| Pakue Utara | 7 236 | 7 463 | 7 694 | 7 924 | 8 152 |
| Pakue Tengah | 6 218 | 6 261 | 6 301 | 6 337 | 6 366 |
| Batu Putih | 7 663 | 7 909 | 8 158 | 8 409 | 8 664 |
| Porehu | 7 139 | 7 296 | 7 453 | 7 609 | 7 765 |
| Tolala | 2 797 | 2 997 | 3 208 | 3 434 | 3 666 |
| Kolaka Utara | 125 719 | 129 371 | 133 101 | 136 883 | 140 706 |
