| Population | 382 (2010), see rank |
| House Units | 253, see rank |
| Race | Whites:96.3%, Hispanics:4.5%, Blacks:0.3%, Asians:0%, Others:3.4% |
| Total Area: | 0.99 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Indiana |
| Area: | South Bend-Mishawaka, IN-MI |
| County: | Starke County |
| City: | Koontz Lake |
| Census Tract: | 953600 |
| Census Block Group: | 953600-1 |