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History · Hyde Park

Hyde Park’s post office opened in 1893, and 19% of its homes were built before 1940

Below: maps from 1907 on and the census since 1900.

1893first post office
0on the National Register
19%homes built before 1940
Photo: VitaleBaby at English Wikipedia · Public domain
Quick answers

How Hyde Park began

When was Hyde Park founded?

1893

The Hyde Park post office opened in 1893, the earliest record of the town by name. Wikidata gives 1898.

First census: 312 in 19002020 census: 509133 years
Founding year: the first Hyde Park post office (Blevins & Helbock, CC0). Wikidata: 1898.

What stands out about Hyde Park’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

★ What stands out · Help out

Start Hyde Park’s collection

The first neighbors to add old photos shape how Hyde Park’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
People over time

Hyde Park, census by census

02004006008001900192019401960198020002020Peak: 758

Peaked at 758 in 1950; 509 people lived here in 2020.

13 censuses, 1900–2020.

U.S. Census Bureau decennial counts, from the census table on Hyde Park’s Wikipedia page.

On the map

Hyde Park on the map, 1907 to 1969

Every edition of the U.S. Geological Survey’s map of Hyde Park. Tap a year, or press play to watch the town change.

Hyde Park on the 1907 USGS mapHyde Park on the 1954 USGS mapHyde Park on the 1969 USGS map1907Freeport sheet · 1:62,500

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Hyde Park.

The story so far

Hyde Park, in brief

Wikipedia doesn’t have a history of Hyde Park yet. The photos, dates and memories neighbors add here are how it gets written.

Hyde Park is a borough in Westmoreland County, Pennsylvania, United States. The population was 509 at the 2020 census.

Its first post office opened in 1893. Its population held steady between the last two censuses: 500 in 2010, 509 in 2020.

Intro from Wikipedia. Population: U.S. Census Bureau.

Timeline

Hyde Park, 1893 to 1950

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1893Post officeThe Hyde Park post office opens
  3. 20th century
  4. 1907On the mapFirst mapped by the U.S. Geological Survey
  5. 1950CensusPopulation peaks at 758
By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

Be the first to add onePhotograph a print flat, in daylight, no flash.
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Famous people

Famous people close to Hyde Park

Nobody well known was born in Hyde Park itself, so here are the best known from just nearby.

See all →
Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Hyde Park’s history

What year was Hyde Park founded?

The Hyde Park post office opened in 1893, the earliest record of the town by name (U.S. post office records). Wikidata gives 1898.

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

Where this page comes from

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 U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.