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History · Penalosa

Penalosa’s post office opened in 1887, and 22% of its homes were built before 1940

Below: maps from 1892 on and the census since 1930.

1887first post office
0on the National Register
22%homes built before 1940
Quick answers

How Penalosa began

When was Penalosa founded?

1887

The Penalosa post office opened in 1887, the earliest record of the town by name. Another post office, Lotta (1884), opened inside today’s city and later closed.

First census: 128 in 19302020 census: 18139 years
Founding year: the first Penalosa post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Penalosa’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 Penalosa’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
On the map

Penalosa on the map, 1892 to 1985

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

Penalosa on the 1892 USGS mapPenalosa on the 1967 USGS mapPenalosa on the 1985 USGS map1892Kingman sheet · 1:125,000

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

The story

How Penalosa came to be

From Wikipedia’s history of Penalosa.

Read it all →

Penalosa was originally known as Lotta, and under the latter name founded about 1885. It was renamed Penalosa in 1887, in honor of a Spanish explorer.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Penalosa, 1884 to 1988

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

  1. 19th century
  2. 1884Post officeThe Lotta post office opens
  3. 1887Post officeThe Lotta post office closes
  4. 1887Post officeThe Penalosa post office opens
  5. 1892On the mapFirst mapped by the U.S. Geological Survey
  6. 20th century
  7. 1988Post officeThe Penalosa post office closes
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.

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People over time

Penalosa, census by census

010019401960198020002020Peak: 128

Between 17 and 128 people in every census since 1930.

10 censuses, 1930–2020.

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

Famous people

Famous people close to Penalosa

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

See all →
Places that used to be

Lost post offices

Penalosa had its own post office from 1887 to 1988. Another post office, Lotta, opened and closed inside today’s town.

Lotta
1884–1887
Penalosa
1887–1988
18801950today

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Questions about Penalosa’s history

What year was Penalosa founded?

The Penalosa post office opened in 1887, the earliest record of the town by name (U.S. post office records).

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 Wikipedia, 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.