[2] Its population is 78,742 (2021), and its area is 2,296.7 km2 (886.8 sq mi).

[3] The communes of the arrondissement of Issoire, and their INSEE codes, are:[2] The arrondissement of Issoire was created in 1800.

[6] In January 2021 it gained the commune of Saulzet-le-Froid from the arrondissement of Clermont-Ferrand.

[7] As a result of the reorganisation of the cantons of France which came into effect in 2015, the borders of the cantons are no longer related to the borders of the arrondissements.

The cantons of the arrondissement of Issoire were, as of January 2015:[8]