| County : | Montgomery County |
| State : | Ohio (OH) |
| Land Area : | 461.55 sq mi |
| Water Area : | 2.78 sq mi |
| Latitude : | 39.7552177 |
| Longitude : | -84.2905455 |
| Population (2010): | 535,153 |
| Population Estimate (2012) : | 535,626 |
| Population Density : | 1,159.47/sq mi |
| Housing Units (2012) : | 254,775 |
| Median Household Income (2012) : | $43,895 (Ohio : $48,246, USA : $53,046) |
| Median Family Income (2012) : | $56,707 (Ohio : $61,163, USA : $64,585) |
| Median House Price (2012) : | $115,800 (Ohio : $133,700, USA : $181,400) |
Montgomery County Cities / Towns
| Brookville City (5,884) | Carlisle City (4,915) | Centerville City (23,999) |
| Clayton City (13,209) | Dayton City (141,527) | Drexel (2,076) |
| Englewood City (13,465) | Farmersville Village (1,009) | Germantown Village (5,547) |
| Huber Heights City (38,101) | Kettering City (56,163) | Miamisburg City (20,181) |
| Moraine City (6,307) | New Lebanon Village (3,995) | Oakwood City (9,202) |
| Phillipsburg Village (557) | Riverside City (25,201) | Springboro City (17,409) |
| Trotwood City (24,431) | Union City (6,419) | Vandalia City (15,246) |
| Verona Village (494) | West Carrollton City (13,143) |
Montgomery County Zip Codes
| 45005 (29,963) | 45066 (23,839) | 45309 (12,123) |
| 45315 (4,377) | 45322 (21,447) | 45325 (2,647) |
| 45327 (8,917) | 45342 (36,784) | 45344 (16,955) |
| 45345 (6,144) | 45354 (642) | 45371 (18,333) |
| 45377 (15,215) | 45381 (5,509) | 45402 (11,420) |
| 45403 (15,006) | 45404 (10,833) | 45405 (18,948) |
| 45406 (21,914) | 45409 (12,868) | 45410 (15,339) |
| 45414 (21,055) | 45415 (12,631) | 45416 (5,740) |
| 45417 (31,281) | 45418 (1,351) | 45419 (15,159) |
| 45420 (25,438) | 45424 (49,930) | 45426 (15,239) |
| 45428 (240) | 45429 (25,885) | 45431 (26,315) |
| 45432 (15,288) | 45433 (2,011) | 45439 (10,000) |
| 45440 (20,734) | 45449 (18,175) | 45458 (29,880) |
| 45459 (27,749) |