| Official Zip Code Name | Lamar |
| Zip Code State | Missouri |
| Primary County: | Barton |
| Area Code | 417 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 6 |
| Elevation Range | 943 ft. |
| Area | 265.568 Sqm. |
| Coordinates(Y,X) | 37.515963, -94.273246 |