Personal Information
- Full Name
- Katherine Ann Demianczyk
- Age at Time of Disappearance
- 25
- Current Age
- Unknown
- Date of Birth
- Unknown
- Height
- Unknown
- Weight
- Unknown
- Hair Color
- Unknown
- Eye Color
- Unknown
- Sex or Gender
- Unknown
- Race
- Unknown
- Distinguishing Characteristics
- Unknown
Disappearance Information
- Date Last Seen
- November 20, 2018
- Missing From (City, State)
- Philadelphia, Pennsylvania
- Last Seen Wearing
- Unknown
- Circumstances of Disappearance
- NamUs lists Katherine Ann Demianczyk as missing from Philadelphia, Pennsylvania. The record gives November 20, 2018 as the date of last contact.
- Additional Details
- Age is the NamUs labeled age at disappearance. Public case page and agency contact checked October 24, 2026. Original short factual summary; no third-party case narrative copied. Credit: NamUs. https://namus.nij.ojp.gov/case/MP73198
Investigating Agency
- Agency Name
- Philadelphia Police Department - 24th District (East Division)
- Agency Phone Number
- 215-686-3093
- Case Number
- MP73198 / 20-02-040490
Missing Duration: 7 years, 11 months, 14 days


