Founded in 1820, Boone County is one of 114 counties in the state of Missouri. Historically, Boone County was formed from Howard County. The city of Columbia is the county seat. With FIPS code of 19, Boone County has a population of 185,840 and area of 685 square miles (1,774 km2).
List of all cities in Boone County, MO alphabetically
| City/Town | Postal Code | Area Code |
| Ashland, MO | 65010 | 573 |
| Centralia, MO | 65240 | 573 |
| Columbia, MO | 65201 | 573 |
| 65202 | 573 | |
| 65203 | 573 | |
| 65205 | 573 | |
| 65211 | 573 | |
| 65212 | 573 | |
| 65215 | 573 | |
| 65216 | 573 | |
| 65217 | 573 | |
| 65218 | 573 | |
| 65299 | 573 | |
| Columbia College, MO | 65216 | 573 |
| Deer Park, MO | 65201 | 573 |
| Easley, MO | 65203 | 573 |
| Elkhurst, MO | 65201 | 573 |
| Hallsville, MO | 65255 | 573 |
| Harg, MO | 65201 | 573 |
| Harrisburg, MO | 65256 | 573 |
| Hartsburg, MO | 65039 | 573 |
| Hinton, MO | 65202 | 573 |
| Huntsdale, MO | 65203 | 573 |
| Lindbergh, MO | 65202 | 573 |
| McBaine, MO | 65203 | 573 |
| Mid Missouri P&DF, MO | 65299 | 573 |
| Midway, MO | 65202 | 573 |
| Murry, MO | 65202 | 573 |
| Pierpont, MO | 65201 | 573 |
| Prathersville, MO | 65202 | 573 |
| Riggs, MO | 65284 | 573 |
| Rocheport, MO | 65279 | 573 |
| Rowena, MO | 65240 | 573 |
| Sapp, MO | 65203 | 573 |
| Shaw, MO | 65202 | 573 |
| Shelter Insurance, MO | 65218 | 573 |
| State Farm Ins, MO | 65217 | 573 |
| Stephens, MO | 65202 | 573 |
| Stephens College, MO | 65215 | 573 |
| Sturgeon, MO | 65284 | 573 |
| Umc Hospital Clinics, MO | 65212 | 573 |
| University of Missouri, MO | 65211 | 573 |
| Wilton, MO | 65039 | 573 |
| Woodlandville, MO | 65256 | 573 |
| Woodlinville, MO | 65279 | 573 |