| County : | Buena Vista County |
| State : | Iowa (IA) |
| Land Area : | 574.91 sq mi |
| Water Area : | 5.31 sq mi |
| Latitude : | 42.7415220 |
| Longitude : | -95.1414325 |
| Population (2010): | 20,260 |
| Population Estimate (2012) : | 20,215 |
| Population Density : | 35.24/sq mi |
| Housing Units (2012) : | 8,237 |
| Median Household Income (2012) : | $46,947 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $57,337 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $94,700 (Iowa : $123,000, USA : $181,400) |
Buena Vista County Cities / Towns
| Albert City (699) | Alta City (1,883) | Lakeside City (596) |
| Linn Grove City (154) | Marathon City (237) | Newell City (876) |
| Rembrandt City (203) | Sioux Rapids City (775) | Storm Lake City (10,600) |
| Truesdale City (81) |
Buena Vista County Zip Codes
| 50510 (1,116) | 50554 (1,625) | 50565 (468) |
| 50568 (1,398) | 50576 (423) | 50585 (1,176) |
| 50588 (12,756) | 51002 (2,741) | 51005 (1,491) |
| 51033 (428) | 51047 (646) | 51366 (379) |