Unknown Serial Killers of America is a U.S. television program broadcast on Oxygen since Sunday, May 18, 2025. Unknown Serial Killers of America is watched by a total number of 327,000 people (0.1% rating, up +4% from last week) as of the daily audience measurement on .
Demographic breakdown of the most recent historical ratings of Unknown Serial Killers of America on Oxygen as of Sunday, June 15, 2025.
| Unknown Serial Killers of America Daily Ratings | |||
|---|---|---|---|
| Date | Demo | Audience | Rating |
| 2025-Jun-15 105: MAURY TRAVIS | P2+ | 327,000 | 0.10 |
| P18-49 | 80,000 | 0.06 | |
| P25-54 | 119,000 | 0.10 | |
| 2025-Jun-08 104: TERRY RASMUSSEN | P2+ | 315,000 | 0.10 |
| P18-49 | 57,000 | 0.04 | |
| P25-54 | 98,000 | 0.08 | |
| 2025-Jun-01 103: DANIEL CONAHAN | P2+ | 255,000 | 0.08 |
| P18-49 | 32,000 | 0.02 | |
| P25-54 | 54,000 | 0.04 | |
| 2025-May-18 101: CARL WATTS (P) | P2+ | 210,000 | 0.07 |
| P18-49 | 63,000 | 0.05 | |
| P25-54 | 67,000 | 0.05 | |
| Rank | Program | Audience | Change |
|---|---|---|---|
| 1 | Dateline: Unforgettable | 315,000 | -14% |
| 2 | Dateline: Secrets Uncovered | 295,000 | -8% |