Municipalities
The population of the municipalities (castelli) of San Marino according to official estimates.
| Name | Abbr. | Area A (hect) | Population Estimate (E) 1986-12-31 | Population Estimate (E) 1996-12-31 | Population Estimate (E) 2000-12-31 | Population Estimate (E) 2010-12-31 | Population Estimate (E) 2020-12-31 | Population Estimate (E) 2025-12-31 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Acquaviva | ACQ | 486 | 1,148 | 1,264 | 1,454 | 2,048 | 2,123 | 2,147 | 486 | |
| Borgo Maggiore | BOR | 901 | 4,421 | 5,358 | 5,591 | 6,378 | 6,962 | 7,006 | 901 | |
| Chiesanuova | CHI | 546 | 724 | 866 | 902 | 1,071 | 1,148 | 1,192 | 546 | |
| Città di San Marino | CIT | 709 | 4,179 | 4,350 | 4,429 | 4,294 | 4,048 | 4,158 | 709 | |
| Domagnano | DOM | 662 | 1,855 | 2,207 | 2,435 | 3,104 | 3,546 | 3,613 | 662 | |
| Faetano | FAE | 775 | 738 | 870 | 996 | 1,181 | 1,191 | 1,216 | 775 | |
| Fiorentino | FIO | 657 | 1,478 | 1,798 | 1,833 | 2,506 | 2,556 | 2,588 | 657 | |
| Montegiardino | MON | 331 | 577 | 717 | 754 | 913 | 987 | 987 | 331 | |
| Serravalle | SER | 1,053 | 6,995 | 8,085 | 8,547 | 10,392 | 11,066 | 11,265 | 1053 | |
| San Marino | SMR | 6,119 | 22,115 | 25,515 | 26,941 | 31,887 | 33,627 | 34,172 |
- (1986) (1996) Britannica Book of the Year 1988 / 1998.
(2000) (2010) (2020) (2025) Ufficio Informatica, Tecnologia, Dati e Statistica, San Marino.
Population Structure
Further information about the population structure.
| Gender (E 2025) | |
|---|---|
| Males | 16,987 |
| Females | 17,185 |
| Age Groups (E 2025) | |
|---|---|
| 0-17 years | 4,934 |
| 18-64 years | 21,168 |
| 65+ years | 8,070 |
| Age Distribution (E 2025) | |
|---|---|
| 90+ years | 452 |
| 80-89 years | 1,897 |
| 70-79 years | 3,454 |
| 60-69 years | 5,178 |
| 50-59 years | 6,071 |
| 40-49 years | 4,554 |
| 30-39 years | 3,391 |
| 20-29 years | 3,555 |
| 10-19 years | 3,364 |
| 0-9 years | 2,256 |
| Citizenship (E 2025) | |
|---|---|
| San Marino | 28,154 |
| Italy | 5,179 |
| Other Citizenship | 839 |