Ismayilli District () is one of the 66 districts of Azerbaijan. It is located in the north of the country, in the Mountainous Shirvan Economic Region. The district borders the districts of Qabala, Quba, Goychay, Kurdamir, Agsu, and Shamakhi. Its capital and largest city is Ismayilli. As of 2020, the district had a population of 87,400. It is believed that this district was named after a highly respected elder and philanthropist in the community, Ismayil Baghiyev.
! colspan="2" |1959 Census
! colspan="2" |1970 Census
! colspan="2" |1979 Census
! colspan="2" |1999 Census
! colspan="2" |2009 Census
|-
!Population
!%
!Population
!%
!Population
!%
!Population
!%
!Population
!
!Population
!%
|-
|Azerbaijanis
|30 234
|57.65%
|28 889
|71.02%
|39 171
|75.92%
|43 627
|78.96%
|61 190
|84.82%
|68 448
|86.28%
|-
|Lezgins
|3 149
|6.00%
|3 255
|8.00%
|4 883
|9.46%
|5 788
|10.48%
|7 722
|10.70%
|8 076
|10.18%
|-
|Russians
|4 460
|8.50%
|4 017
|9.88%
|3 768
|7.30%
|3 213
|5.82%
|2 514
|3.49%
|2 024
|2.55%
|-
|Kurds
|4
|0.01%
|...
|...
|1
|0.01%
|...
|...
|382
|0.53%
|498
|0.63%
|-
|Meskhetian Turks
|1
|0.01%
|...
|...
|...
|...
|...
|...
|244
|0.34%
|194
|0.25%
|-
|Ukrainians
|157
|0.30%
|...
|...
|58
|0.11%
|...
|...
|25
|0.03%
|9
|0.01%
|-
|Tatars
|21
|0.04%
|...
|...
|25
|0.05%
|8
|0.01%
|22
|0.03%
|7
|0.01%
|-
|Jews
| rowspan="2" |300
| rowspan="2" |0.57%
| rowspan="2" |46
| rowspan="2" |0.11%
|15
|0.03%
| rowspan="2" |155
| rowspan="2" |0.28%
| rowspan="2" |15
| rowspan="2" |0.02%
| rowspan="2" |7
| rowspan="2" |0.01%
|-
|Mountain Jews
|217
|0.42%
|-
|Armenians
|6 683
|12.74%
|4 038
|9.93%
|3 308
|6.41%
|2 377
|4.30%
|5
|0.01%
|...
|...
|-
|Avars
|4
|0.01%
|...
|...
|4
|0.01%
|8
|0.01%
|...
|...
|...
|...
|-
|Georgians
|9
|0.02%
|6
|0.01%
|13
|0.02%
|7
|0.01%
|...
|...
|...
|...
|-
|Udi people
| rowspan="2" |7 250
| rowspan="2" |13.82%
|...
|...
|...
|...
|2
|0.01%
|...
|...
|...
|...
|-
|Tat people
|...
|...
|40
|0.08%
|...
|...
|...
|...
|...
|...
|-
|Germans
|46
|0.09%
|...
|...
|...
|...
|...
|...
|...
|...
|...
|...
|-
|Talysh people
|37
|0.07%
|...
|...
|...
|...
|...
|...
|...
|...
|...
|...
|-
|Others
|90
|0.17%
|428
|1.05%
|93
|0.18%
|64
|0.12%
|25
|0.03%
|67
|0.08%
|-
|Total
|52 445
|100%
|40 679
|100%
|51 596
|100%
|55 249
|100%
|72 144
|100%
|79 330
|100%
|}
Population
According to the annual report of the State Statistics Committee, the total population in 2000 was 73,000. In 2018, this indicator increased by 13,100 people.
{| class="wikitable"
|+The population of district at the beginning of the year, thsd. persons