Founded in 1837, Montgomery County is one of 254 counties in the state of Texas. Historically, Montgomery County was formed from Washington County. The city of Conroe is the county seat. With FIPS code of 339, Montgomery County has a population of 648,886 and area of 1,044 square miles (2,704 km2).
List of all cities in Montgomery County, TX alphabetically
| City/Town | Postal Code | Area Code |
| Beach, TX | 77301 | 936 |
| Bobville, TX | 77333 | 936 |
| Camp Strake, TX | 77301 | 936 |
| Conroe, TX | 77301 | 936 |
| 77302 | 936 | |
| 77303 | 936 | |
| 77304 | 936 | |
| 77305 | 936 | |
| 77306 | 936 | |
| 77384 | 936 | |
| 77385 | 936 | |
| Cut and Shoot, TX | 77303 | 936 |
| 77306 | 936 | |
| Decker Prairie, TX | 77354 | 713/281/832 |
| 77355 | 713/281/832 | |
| Dobbin, TX | 77333 | 936 |
| Dogwood Acres, TX | 77365 | 713/281/832 |
| Grangerland, TX | 77302 | 936 |
| Lakeland, TX | 77301 | 936 |
| Magnolia, TX | 77353 | 713/281/832 |
| 77354 | 713/281/832 | |
| 77355 | 713/281/832 | |
| Montgomery, TX | 77316 | 936 |
| 77356 | 936 | |
| New Caney, TX | 77357 | 713/281/832 |
| Oak Ridge North, TX | 77385 | 936 |
| 77386 | 713/281/832 | |
| Panorama Village, TX | 77304 | 936 |
| 77318 | 936 | |
| Panther Creek, TX | 77381 | 713/281/832 |
| 77382 | 713/281/832 | |
| 77393 | 713/281/832 | |
| Patton, TX | 77372 | 713/281/832 |
| Pinehurst, TX | 77362 | 713/281/832 |
| Porter, TX | 77365 | 713/281/832 |
| Roman Forest, TX | 77357 | 713/281/832 |
| Shenandoah, TX | 77380 | 713/281/832 |
| 77381 | 713/281/832 | |
| 77384 | 936 | |
| 77385 | 936 | |
| Sorters, TX | 77365 | 713/281/832 |
| Splendora, TX | 77372 | 713/281/832 |
| Spring, TX | 77354 | 713/281/832 |
| 77380 | 713/281/832 | |
| 77381 | 713/281/832 | |
| 77382 | 713/281/832 | |
| 77386 | 713/281/832 | |
| 77387 | 713/281/832 | |
| 77393 | 713/281/832 | |
| Stagecoach, TX | 77355 | 713/281/832 |
| Tamina, TX | 77301 | 936 |
| The Woodlands, TX | 77354 | 713/281/832 |
| 77380 | 713/281/832 | |
| 77381 | 713/281/832 | |
| 77382 | 713/281/832 | |
| 77384 | 936 | |
| 77385 | 936 | |
| 77386 | 713/281/832 | |
| 77387 | 713/281/832 | |
| 77393 | 713/281/832 | |
| Timberlane Acres, TX | 77365 | 713/281/832 |
| Willis, TX | 77318 | 936 |
| 77378 | 936 | |
| Woodbranch, TX | 77357 | 713/281/832 |
| Woody Acres, TX | 77365 | 713/281/832 |