| County : | Grundy County |
| State : | Illinois (IL) |
| Land Area : | 418.04 sq mi |
| Water Area : | 12.40 sq mi |
| Latitude : | 41.2924096 |
| Longitude : | -88.4010545 |
| Population (2010): | 50,063 |
| Population Estimate (2012) : | 49,870 |
| Population Density : | 119.76/sq mi |
| Housing Units (2012) : | 19,996 |
| Median Household Income (2012) : | $63,840 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $77,218 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $186,500 (Illinois : $190,800, USA : $181,400) |
Grundy County Cities / Towns
| Braceville Village (793) | Carbon Hill Village (345) | Channahon Village (12,560) |
| Coal City Village (5,587) | Diamond Village (2,527) | Dwight Village (4,260) |
| East Brooklyn Village (106) | Gardner Village (1,463) | Godley Village (601) |
| Kinsman Village (99) | Mazon Village (1,015) | Minooka Village (10,924) |
| Morris City (13,636) | Seneca Village (2,371) | South Wilmington Village (681) |
| Verona Village (215) |
Grundy County Zip Codes
| 60407 (1,684) | 60410 (12,687) | 60416 (9,397) |
| 60420 (6,102) | 60424 (2,440) | 60437 (187) |
| 60444 (1,761) | 60447 (13,709) | 60450 (20,332) |
| 60470 (616) | 60474 (760) | 60479 (760) |
| 60481 (11,851) | 60541 (3,148) | 60961 (700) |
| 61360 (3,393) |