St. Olaf, Iowa
St. Olaf is a city in Clayton County in the state of Iowa, United States.
 Location of St. Olaf, Iowa | |
| Coordinates: Coordinates: 42°55′40″N 91°23′14″W / 42.92778°N 91.38722°W | |
| Country |  United States |
| State |  Iowa |
| County | Clayton |
| Area | |
| • Total | 0.2 sq mi (0.6 km2) |
| • Land | 0.2 sq mi (0.6 km2) |
| • Water | 0.0 sq mi (0.0 km2) |
| Elevation | 856 ft (261 m) |
| Population (2000) | |
| • Total | 136 |
| • Density | 550.8/sq mi (212.7/km2) |
| Time zone | UTC-6 (Central (CST)) |
| • Summer (DST) | UTC-5 (CDT) |
| FIPS code | 19-70140 |
| GNIS feature ID | 0461233 |
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