Founded in 1852, Santa Fe County is one of 33 counties in the state of New Mexico. Historically, Santa Fe County was one of the nine original counties. The city of Santa Fe is the county seat. With FIPS code of 49, Santa Fe County has a population of 155,201 and area of 1,909 square miles (4,944 km2).
List of all cities in Santa Fe County, NM alphabetically
| City/Town | Postal Code | Area Code |
| Agua Fria, NM | 87501 | 505 |
| Canyoncito, NM | 87535 | 505 |
| Cerrillos, NM | 87010 | 505 |
| Chupadero, NM | 87501 | 505 |
| Cuyamungue, NM | 87501 | 505 |
| Edgewood, NM | 87015 | 505 |
| Galisteo, NM | 87540 | 505 |
| Glorieta, NM | 87535 | 505 |
| Hyde Park Estates, NM | 87501 | 505 |
| Jacona, NM | 87501 | 505 |
| Jaconita, NM | 87506 | 505 |
| La Cienga, NM | 87505 | 505 |
| La Cueva, NM | 87535 | 505 |
| Lamy, NM | 87540 | 505 |
| Madrid, NM | 87010 | 505 |
| Nambe, NM | 87501 | 505 |
| 87506 | 505 | |
| New Mexico State Capitol, NM | 87503 | 505 |
| New Mexico Tax Rev Dept, NM | 87509 | 505 |
| Pojoaque, NM | 87501 | 505 |
| San Ildefonso Pueblo, NM | 87501 | 505 |
| Santa Cruz, NM | 87567 | 505 |
| Santa Fe, NM | 87501 | 505 |
| 87502 | 505 | |
| 87503 | 505 | |
| 87504 | 505 | |
| 87505 | 505 | |
| 87506 | 505 | |
| 87507 | 505 | |
| 87508 | 505 | |
| 87509 | 505 | |
| 87540 | 505 | |
| 87592 | 505 | |
| 87594 | 505 | |
| Santo Nino, NM | 87567 | 505 |
| Seton Village, NM | 87501 | 505 |
| Stanley, NM | 87056 | 505 |
| Tesuque, NM | 87574 | 505 |
| Tesuque Pueblo, NM | 87501 | 505 |