The land area of Hengyang City is 15,303 square kilometers, equivalent to 1.5303 million hectares. By landform classification:

The cultivated land covers 375864.31 hectares, accounting for 24.561% of the total area, including 229133.06 hectares of paddy fields and 62191.63 hectares of dry land. The orchard covers 29624.85 hectares (1.936%), including 47.22 hectares of mulberry fields, 4916.34 hectares of tea plantations, 18599.13 hectares of orchards, and 6062.16 hectares of other orchards.

The forest land is 674502.31 hectares (44.078%), including 564139.97 hectares of forest land, 25134.23 hectares of shrubland, 27915.73 hectares of sparse wood land, 54374.43 hectares of unestablished forests, 2748.39 hectares of cut-over land, and 189.56 hectares of nurseries.

There are 26.09 hectares of pasture land, 0.08 hectares of improved grassland, and 4.94 hectares of artificial grassland.

The urban, rural, and industrial-mining land covers 104772.11 hectares (6.846%), including 4056.10 hectares of urban areas, 4040.24 hectares of designated town, 84332.43 hectares of villages, 7499.06 hectares of independent industrial and mining land, and 4844.28 hectares of special-use land.

The transportation land covers 14706.17 hectares (0.961%), including 1194.02 hectares for railways, 4483.97 hectares for highways, 9018.54 hectares for rural roads, 8.59 hectares for civil airports, and 1.05 hectares for ports and docks.

The water area is 130336.07 hectare (8.517%), including 28768.46 hectares of rivers, 11391.37 hectares of reservoirs, 62399.15 hectares of ponds, 12.90 hectares of reed land, 9159.89 hectares of tidal flats, 16781.34 hectares of ditches, and 1822.96 hectares of floating structures.

There are 200,446.08 hectares of unused land (13.09%), including 79,566.89 hectares of unused grassland, 84.22 hectares of swamps, 22,538.73 hectares of bare exposed rock or gravel, 86.79 hectares of sandy land, 16,496.55 hectares of bare land, 79,758.31 hectares of field ridges, and 1,914.59 hectares of other unused land.