- Latitude: 38°34'13" N (+38.5703)
- Longitude: 90°20'13" W (-90.3369)
- Land area: 0.23 square miles (145.5 acres)
As the crow flies, Marlborough is...
| Year | Population | Percent change |
|---|
| 1950 | 219 | -- |
| 1960 | 650 | +196.8% |
| 1970 | 1,492 | +129.5% |
| 1980 | 2,012 | +34.9% |
| 1990 | 1,949 | -3.1% |
| 2000 | 2,235 | +14.7% |