| County : | Montgomery County |
| State : | Illinois (IL) |
| Land Area : | 703.68 sq mi |
| Water Area : | 5.99 sq mi |
| Latitude : | 39.2280917 |
| Longitude : | -89.4780068 |
| Population (2010): | 30,104 |
| Population Estimate (2012) : | 29,977 |
| Population Density : | 42.78/sq mi |
| Housing Units (2012) : | 13,080 |
| Median Household Income (2012) : | $42,261 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $56,144 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $81,100 (Illinois : $190,800, USA : $181,400) |
Montgomery County Cities / Towns
| Butler Village (180) | Coalton Village (304) | Coffeen City (685) |
| Donnellson Village (210) | Farmersville Village (724) | Fillmore Village (330) |
| Harvel Village (223) | Hillsboro City (6,207) | Irving Village (495) |
| Litchfield City (6,939) | Nokomis City (2,256) | Ohlman Village (135) |
| Panama Village (343) | Raymond Village (1,006) | Schram City Village (586) |
| Taylor Springs Village (690) | Waggoner Village (266) | Walshville Village (64) |
| Wenonah Village (37) | Witt City (903) |
Montgomery County Zip Codes
| 62015 (487) | 62017 (1,185) | 62019 (490) |
| 62032 (749) | 62049 (8,470) | 62051 (950) |
| 62056 (8,930) | 62069 (3,313) | 62074 (1,087) |
| 62075 (3,458) | 62076 (135) | 62077 (347) |
| 62080 (2,508) | 62083 (295) | 62086 (1,437) |
| 62089 (489) | 62091 (337) | 62094 (1,152) |
| 62533 (973) | 62538 (378) | 62546 (1,630) |
| 62553 (437) | 62557 (7,607) | 62558 (3,590) |
| 62560 (1,508) | 62572 (666) | 62640 (3,756) |
| 62690 (4,120) |