This is a historic neighborhood name, but it has recently come back into use.
From: https://billypenn.com/2015/03/06/swampoodle-5-things-to-know-about-the-area-where-officer-robert-wilson-was-killed/
- junction of three railroad lines that meet around 17th Street west to 22nd Street near Lehigh Avenue. It extends as far as 27th Street to the west and Indiana Avenue to the north. Some consider Swampoodle part of the Allegheny West neighborhood, and it is just north of Strawberry Mansion.

From https://whyy.org/articles/reviving-an-old-neighborhood-name-to-help-new-life-take-root-swampoodle-19132/
- 30th and Hunting Park Avenue, to 24th and Allegheny Avenue, and over to Fox Street.
https://en.wikipedia.org/wiki/Swampoodle,_Philadelphia
- Once home to the old Connie Mack Stadium and Italian, then Irish immigrants. It later became a predominately African American neighborhood
- Junction of three railroad lines, vic. [vicinity] Lehigh Avenue and 22nd Streets
- Connie Mack Stadium used to be at 21st and Lehigh - it was home to Philadelphia A’s and then the Phillies from 1909 to 1970
Combining these sources yields two potential extents for a Swampoodle neighborhood:

This is a historic neighborhood name, but it has recently come back into use.
From: https://billypenn.com/2015/03/06/swampoodle-5-things-to-know-about-the-area-where-officer-robert-wilson-was-killed/
From https://whyy.org/articles/reviving-an-old-neighborhood-name-to-help-new-life-take-root-swampoodle-19132/
https://en.wikipedia.org/wiki/Swampoodle,_Philadelphia
Combining these sources yields two potential extents for a Swampoodle neighborhood:
