Wikipedia doesn’t have a history of Diamond Beach yet. The photos, dates and memories neighbors add here are how it gets written.
Diamond Beach is an unincorporated community and census-designated place (CDP) located within Lower Township in Cape May County, in the U.S. state of New Jersey. The CDP, and all of Cape May County, is part of the Ocean City metropolitan statistical area, and is part of the Philadelphia metropolitan area. As of the United States 2020 Census, the CDP's population was 203, an increase of 67 from the 2010 census count of 136.
Between the 2010 and 2020 censuses its population grew from 136 to 203 (+49%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →
From Wikimedia Commons (6). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
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