| Source | UN (World Urbanization Prospects 2025) |
| Date | 10 Apr 2026 |
| Code | City | Population | Share (%) | Rank | Change | |||
|---|---|---|---|---|---|---|---|---|
| 2025 | 2026 | Peru | World | Population | (%) | |||
| Lima | Lima | 10,580,241 | 10,693,197 | 30.9 | 1 | 32 | 112,956 | 1.07 |
| Areq | Arequipa | 977,496 | 986,051 | 2.85 | 2 | 527 | 8,555 | 0.88 |
| Truj | Trujillo | 949,018 | 954,083 | 2.76 | 3 | 553 | 5,065 | 0.53 |
| Chic | Chiclayo | 620,622 | 629,887 | 1.82 | 4 | 864 | 9,265 | 1.49 |
| Cale | Caleta Sanitaria | 572,154 | 587,539 | 1.70 | 5 | 941 | 15,385 | 2.69 |
| Cusc | Cusco | 490,968 | 494,221 | 1.43 | 6 | 1132 | 3,253 | 0.66 |
| Huan | Huancayo | 470,685 | 477,616 | 1.38 | 7 | 1175 | 6,931 | 1.47 |
| Piur | Piura | 471,521 | 474,568 | 1.37 | 8 | 1183 | 3,047 | 0.65 |
| Chim | Chimbote | 350,281 | 352,383 | 1.02 | 9 | 1635 | 2,102 | 0.60 |
| Tacn | Tacna | 327,582 | 329,865 | 0.954 | 10 | 1756 | 2,283 | 0.70 |
| Juli | Juliaca | 306,990 | 308,547 | 0.892 | 11 | 1888 | 1,557 | 0.51 |
| Puca | Pucallpa | 274,639 | 279,408 | 0.808 | 12 | 2094 | 4,769 | 1.74 |
| Caja | Cajamarca | 258,440 | 260,103 | 0.752 | 13 | 2273 | 1,663 | 0.64 |
| Ica | Ica | 213,644 | 217,866 | 0.630 | 14 | 2752 | 4,222 | 1.98 |
| Ayac | Ayacucho | 210,592 | 213,585 | 0.618 | 15 | 2806 | 2,993 | 1.42 |
| Sull | Sullana | 201,523 | 202,742 | 0.586 | 16 | 2983 | 1,219 | 0.60 |
| Chin | Chincha Alta | 197,033 | 200,542 | 0.580 | 17 | 3016 | 3,509 | 1.78 |
| Huán | Huánuco | 195,273 | 198,462 | 0.574 | 18 | 3052 | 3,189 | 1.63 |
| Tara | Tarapoto | 158,938 | 159,807 | 0.462 | 19 | 3833 | 869 | 0.55 |
| Huac | Huacho | 127,203 | 136,500 | 0.395 | 20 | 4510 | 9,297 | 7.31 |
| Puno | Puno | 132,897 | 134,114 | 0.388 | 21 | 4598 | 1,217 | 0.92 |
| Huar | Huaraz | 117,015 | 117,605 | 0.340 | 22 | 5297 | 590 | 0.50 |
| Tumb | Tumbes | 106,647 | 107,299 | 0.310 | 23 | 5828 | 652 | 0.61 |
| Bajo | Bajo Pichanaqui | 98,341 | 100,424 | 0.290 | 24 | 6233 | 2,083 | 2.12 |