| Conventional Long Name: | Torda-Aranyos County |
| Common Name: | Torda-Aranyos |
| Subdivision: | County |
| Nation: | the Kingdom of Hungary |
| Year Start: | 1876 |
| Event End: | Treaty of Trianon |
| Year End: | 1920 |
| Date End: | June 4 |
| Capital: | Torda |
| Stat Area1: | 3514 |
| Stat Pop1: | 174400 |
| Stat Year1: | 1910 |
| Today: | Romania |
| Footnotes: | Turda is the current name of the capital. |
Torda-Aranyos was an administrative county (comitatus) of the Kingdom of Hungary. Its territory is now in central Romania (central Transylvania). The capital of the county was Torda (present-day Turda).
Torda-Aranyos county shared borders with the Hungarian counties Arad, Bihar, Kolozs, Maros-Torda, Kis-Küküllő, Alsó-Fehér and Hunyad. The rivers Mureș and Arieș flowed through the county. Its area was 3,514 km2 around 1910.
Torda-Aranyos county was formed in 1876, when the western part of the Torda County and the Székely seat of Aranyosszék (plus small parts of Alsó-Fehér County) were united. In 1920, by the Treaty of Trianon, the county became part of Romania. Its territory lies in the present Romanian counties of Cluj (the north, including Turda), Alba (the south and west) and Mureș (the east).
| 1880[1] | 137,031 | 96,809 (73.15%) | 30,472 (23.02%) | 5,063 (3.83%) |
|---|---|---|---|---|
| 1890[2] | 150,564 | 107,491 (71.39%) | 37,590 (24.97%) | 5,483 (3.64%) |
| 1900[3] | 160,579 | 116,833 (72.76%) | 40,806 (25.41%) | 2,940 (1.83%) |
| 1910[4] | 174,375 | 125,668 (72.07%) | 44,630 (25.59%) | 4,077 (2.34%) |
| 1880 | 137,031 | 56,169 (40.99%) | 47,050 (34.34%) | 18,781 (13.71%) | 8,991 (6.56%) | 4,390 (3.20%) | 1,355 (0.99%) | 295 (0.22%) |
|---|---|---|---|---|---|---|---|---|
| 1890 | 150,564 | 62,023 (41.19%) | 49,131 (32.63%) | 22,506 (14.95%) | 9,480 (6.30%) | 5,253 (3.49%) | 1,931 (1.28%) | 240 (0.16%) |
| 1900 | 160,579 | 66,293 (41.28%) | 52,457 (32.67%) | 23,607 (14.70%) | 10,005 (6.23%) | 5,490 (3.42%) | 2,465 (1.54%) | 262 (0.16%) |
| 1910 | 174,375 | 72,672 (41.68%) | 56,748 (32.54%) | 25,526 (14.64%) | 9,932 (5.70%) | 6,539 (3.75%) | 2,357 (1.35%) | 310 (0.18%) |
In the early 20th century, the subdivisions of Torda-Aranyos county were:
| Districts (járás) | |
|---|---|
| District | Capital |
| Alsójára | Alsójára (now Iara) |
| Felvinc | Felvinc (now Unirea) |
| Marosludas | Marosludas (now Luduș) |
| Topánfalva | Topánfalva (now Câmpeni) |
| Turda | Torda (now Turda) |
| Torockó | Torockó (now Rimetea) |
| Urban districts (rendezett tanácsú város) | |
| Torda (now Turda) | |