| Name | Status | Population census 1991-10-20 | Population census 2001-10-21 | Population census 2011-10-09 | |
|---|---|---|---|---|---|
| Reggio nell'Emilia | Province | 420,431 | 453,892 | 517,316 | o |
| Emilia-Romagna | Region | 3,926,422 | 4,000,703 | 4,342,135 |
| Name | Status | Population census 1991-10-20 | Population census 2001-10-21 | Population census 2011-10-09 | |
|---|---|---|---|---|---|
| Albinea | Commune | 6,764 | 7,750 | 8,755 | o |
| Bagnolo in Piano | Commune | 7,381 | 8,103 | 9,386 | o |
| Baiso | Commune | 3,213 | 3,261 | 3,403 | o |
| Bibbiano | Commune | 7,239 | 7,725 | 9,965 | o |
| Boretto | Commune | 4,324 | 4,636 | 5,263 | o |
| Brescello | Commune | 4,558 | 4,817 | 5,546 | o |
| Busana | Commune | 1,405 | 1,352 | 1,285 | o |
| Cadelbosco di Sopra | Commune | 6,861 | 7,867 | 10,409 | o |
| Campagnola Emilia | Commune | 4,445 | 4,900 | 5,493 | o |
| Campegine | Commune | 4,077 | 4,551 | 5,114 | o |
| Canossa | Commune | 3,329 | 3,377 | 3,785 | o |
| Carpineti | Commune | 4,026 | 4,111 | 4,178 | o |
| Casalgrande | Commune | 13,269 | 14,226 | 18,635 | o |
| Casina | Commune | 4,055 | 4,392 | 4,534 | o |
| Castellarano | Commune | 8,894 | 11,774 | 14,838 | o |
| Castelnovo di Sotto | Commune | 7,154 | 7,810 | 8,594 | o |
| Castelnovo ne' Monti | Commune | 9,635 | 10,046 | 10,481 | o |
| Cavriago | Commune | 8,369 | 8,968 | 9,698 | o |
| Collagna | Commune | 1,112 | 1,005 | 971 | o |
| Correggio | Commune | 20,113 | 20,604 | 24,825 | o |
| Fabbrico | Commune | 5,224 | 5,517 | 6,696 | o |
| Gattatico | Commune | 4,835 | 5,389 | 5,899 | o |
| Gualtieri | Commune | 6,041 | 6,229 | 6,639 | o |
| Guastalla | Commune | 13,354 | 13,886 | 14,786 | o |
| Ligonchio | Commune | 1,195 | 1,005 | 861 | o |
| Luzzara | Commune | 7,949 | 8,517 | 9,169 | o |
| Montecchio Emilia | Commune | 8,043 | 8,742 | 10,201 | o |
| Novellara | Commune | 11,235 | 11,912 | 13,455 | o |
| Poviglio | Commune | 6,347 | 6,522 | 7,045 | o |
| Quattro Castella | Commune | 9,515 | 11,204 | 12,909 | o |
| Ramiseto | Commune | 1,570 | 1,468 | 1,290 | o |
| Reggiolo | Commune | 8,030 | 8,559 | 9,217 | o |
| Reggio nell'Emilia | Commune | 132,030 | 141,877 | 162,082 | o |
| Rio Saliceto | Commune | 4,349 | 5,258 | 6,092 | o |
| Rolo | Commune | 3,360 | 3,631 | 4,038 | o |
| Rubiera | Commune | 9,654 | 11,458 | 14,421 | o |
| San Martino in Rio | Commune | 5,410 | 6,484 | 7,773 | o |
| San Polo d'Enza | Commune | 4,751 | 5,221 | 5,949 | o |
| Sant'Ilario d'Enza | Commune | 9,237 | 9,702 | 10,939 | o |
| Scandiano | Commune | 21,908 | 22,839 | 24,792 | o |
| Toano | Commune | 3,962 | 4,264 | 4,458 | o |
| Vetto | Commune | 2,107 | 1,972 | 1,956 | o |
| Vezzano sul Crostolo | Commune | 3,369 | 3,797 | 4,214 | o |
| Viano | Commune | 2,670 | 3,017 | 3,377 | o |
| Villa Minozzo | Commune | 4,063 | 4,147 | 3,900 | o |
Source: Istituto Nazionale di Statistica Italia (web).
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