Edgmont Township, Pennsylvania
township in Delaware County, Pennsylvania
Edgmont Township is a township in Delaware County, Pennsylvania, United States. Edgmont contains the unincorporated community of Gradyville. The population was 3,987 at the 2010 census.
History and socioeconomics
Edgmont Township, otherwise known by the post office name of Edgemont (ZIP Code 19028), is a semi-rural suburban area in western Delaware County. It was one of the first townships in Pennsylvania, founded in the late 1680s. The name is derived from the ancient royal manor of Edgemond in Shropshire, England, where Joseph Baker, one of the earliest settlers to the township, emigrated from. Joseph Baker was the representative for Delaware County in the Provincial Assembly.
Today, Edgmont is home to a rather wide socioeconomic range. Along the rural area along Valley Road are many high-income neighborhoods such as Allee, Okehocking Hills, and Fiveormore. On Delchester Road is the rather posh new neighborhood known as Somerhill.
“Edgmont Township, Pennsylvania” enters the record as township in Delaware County, Pennsylvania. Crown Archives preserves that source wording while asking what Edgmont, Township and Pennsylvania can confirm, complicate or overturn.
Why this record matters
“Edgmont Township, Pennsylvania” is worth following because a concise public description often conceals a longer documentary argument. Here, Edgmont, Township and Pennsylvania provides the most credible route into that argument.
Place names and jurisdictional language are key evidence: both can reveal earlier catalogue descriptions and overlooked record series. The source revision retrieved here is dated Sep 20, 2026. The linked authority identifier is Q5337956. Authority coordinates are 39.949, -75.469. 1 of 2 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2010.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Edgmont Township, Pennsylvania”, its source revision and the description used here.
- Expand the search: follow Edgmont Township, Pennsylvania primary sources, Edgmont Township, Pennsylvania archive and Edgmont research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
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Search terms from this dossier
This entry incorporates text from “Edgmont Township, Pennsylvania” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.