Prairie Ridge, Washington
census designated place in Pierce County, Washington, United States
Prairie Ridge is a census-designated place (CDP) in Pierce County, Washington, United States. The population was 12,288 at the 2020 census.
Geography
According to the United States Census Bureau, the CDP has a total area of 4.3 square miles (11.1 km2), of which, 4.3 square miles (11.0 km2) of it is land and 0.23% is water.
Demographics
2020 census
As of the 2020 census, Prairie Ridge had a population of 12,288. The median age was 37.3 years. 24.0% of residents were under the age of 18 and 11.1% of residents were 65 years of age or older. For every 100 females there were 106.4 males, and for every 100 females age 18 and over there were 105.9 males age 18 and over.
98.9% of residents lived in urban areas, while 1.1% lived in rural areas.
There were 4,296 households in Prairie Ridge, of which 35.7% had children under the age of 18 living in them. Of all households, 56.6% were married-couple households, 17.6% were households with a male householder and no spouse or partner present, and 16.3% were households with a female householder and no spouse or partner present.
Begin with the source’s own compact description: “Prairie Ridge, Washington” is census designated place in Pierce County, Washington, United States. The dossier treats that line as a proposition to test through Prairie, Ridge and Washington, not as a finished interpretation.
Why this record matters
The phrase “census designated place in Pierce County, Washington, United States” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Apr 28, 2026. The linked authority identifier is Q1508577. Authority coordinates are 47.145, -122.148. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020.
Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. 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 “Prairie Ridge, Washington”, its source revision and the description used here.
- Expand the search: follow Prairie Ridge, Washington primary sources, Prairie Ridge, Washington archive and Prairie 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
- Which source most directly establishes the central claim about “Prairie Ridge, Washington”?
- Which authority defined the place, boundary or structure at the relevant date?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Prairie Ridge, Washington” 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.