| Personal information | |||
|---|---|---|---|
| Date of birth | October 4, 1951 | ||
| Place of birth | St. Louis, Missouri, United States | ||
| Position(s) | Defender | ||
| Youth career | |||
| St. Philip Neri | |||
| College career | |||
| Years | Team | Apps | (Gls) |
| 1970–1973 | Saint Louis Billikens | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 1974–1978 | San Jose Earthquakes | 42 | (1) |
| 1978–1979 | San Diego Sockers | 13 | (1) |
| 1980 | San Jose Earthquakes | 1 | (0) |
| 1980–1981 | San Francisco Fog (indoor) | 35 | (0) |
| Total | 91 | (2) | |
| *Club domestic league appearances and goals | |||
Mark Demling is a retired American soccer defender who currently coaches high school soccer. Demling spent seven seasons in the North American Soccer League and one in Major Indoor Soccer League.