| Type: | parish |
| Official Name: | Santo Isidoro |
| Region: | Lisbon |
| District: | Lisbon |
| Municipality: | Mafra |
| Coordinates: | 38.9936°N -9.3986°W |
| Area Total: | 24.83 |
| Population As Of: | 2011 |
| Population Total: | 3814 |
| Patron: | Isidore |
| Postal Code: | 2640 |
Santo Isidoro is a civil parish in the municipality of Mafra, Portugal. The population in 2011 was 3,814 in an area of 24.83 km².
| Santo Isidoro Parish Population [1] | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1864 | 1878 | 1890 | 1900 | 1911 | 1920 | 1930 | 1940 | 1950 | 1960 | 1970 | 1981 | 1991 | 2001 | 2011 | |
| 1 470 | 1 594 | 1 774 | 1 747 | 2 070 | 1 954 | 2 113 | 2 503 | 2 515 | 2 515 | 2 438 | 2 499 | 2 688 | 2 992 | 3 814 | |