| County : | Madison County |
| State : | Ohio (OH) |
| Land Area : | 465.87 sq mi |
| Water Area : | 0.75 sq mi |
| Latitude : | 39.8966074 |
| Longitude : | -83.4008847 |
| Population (2010): | 43,435 |
| Population Estimate (2012) : | 43,213 |
| Population Density : | 93.23/sq mi |
| Housing Units (2012) : | 15,939 |
| Median Household Income (2012) : | $54,647 (Ohio : $48,246, USA : $53,046) |
| Median Family Income (2012) : | $66,928 (Ohio : $61,163, USA : $64,585) |
| Median House Price (2012) : | $148,000 (Ohio : $133,700, USA : $181,400) |
Madison County Cities / Towns
| Choctaw Lake (1,546) | Lafayette (202) | London City (9,904) |
| Midway Village (322) | Mount Sterling Village (1,782) | Plain City Village (4,225) |
| Plumwood (319) | South Solon Village (355) | West Jefferson Village (4,222) |
Madison County Zip Codes
| 43026 (54,017) | 43029 (664) | 43044 (5,528) |
| 43064 (12,580) | 43119 (27,698) | 43140 (24,066) |
| 43143 (5,694) | 43146 (12,369) | 43151 (322) |
| 43153 (971) | 43162 (6,926) | 45369 (3,545) |