| County : | Martin County |
| State : | Minnesota (MN) |
| Land Area : | 712.34 sq mi |
| Water Area : | 17.23 sq mi |
| Latitude : | 43.6771180 |
| Longitude : | -94.5371975 |
| Population (2010): | 20,840 |
| Population Estimate (2012) : | 20,727 |
| Population Density : | 29.26/sq mi |
| Housing Units (2012) : | 10,009 |
| Median Household Income (2012) : | $46,790 (Minnesota : $59,126, USA : $53,046) |
| Median Family Income (2012) : | $59,656 (Minnesota : $74,032, USA : $64,585) |
| Median House Price (2012) : | $102,200 (Minnesota : $194,300, USA : $181,400) |
Martin County Cities / Towns
| Ceylon City (369) | Dunnell City (167) | Fairmont City (10,666) |
| Granada City (303) | Northrop City (227) | Ormsby City (131) |
| Sherburn City (1,137) | Trimont City (747) | Truman City (1,115) |
| Welcome City (686) |
Martin County Zip Codes
| 56013 (4,531) | 56027 (969) | 56031 (12,401) |
| 56039 (957) | 56075 (171) | 56088 (1,946) |
| 56098 (2,124) | 56121 (659) | 56127 (398) |
| 56160 (214) | 56162 (285) | 56171 (1,821) |
| 56176 (1,137) | 56181 (1,147) |