List of ancient counties of Wales by area in 1891

This is a list of the ancient counties of Wales as recorded by the 1891 census, ordered by their area.

Rank County Area (acres)
1 Carmarthenshire 587,816 (2,378 km²)
2 Glamorgan 516,959 (2,092 km²)
3 Montgomeryshire 510,111 (2,064 km²)
4 Brecknockshire 475,224 (1,923 km²)
5 Cardiganshire 440,630 (1,783 km²)
6 Merionethshire 427,810 (1,731 km²)
7 Denbighshire 423,477 (1,713 km²)
8 Pembrokeshire 395,151 (1,599 km²)
9 Caernarfonshire 361,097 (1,461 km²)
10 Monmouthshire 341,688 (1,382 km²)
11 Radnorshire 301,164 (1,218 km²)
12 Anglesey 175,836 (711 km²)
13 Flintshire 164,050 (663 km²)

References