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C−History
History · Brock Hall

1 of Brock Hall’s places is on the National Register

More historic than 19% of U.S. towns · #181 of 261 in Maryland. What drives it

Its Register listing is the Bowieville. Most of Brock Hall was built recently: 0.3% of its homes predate 1940 and the median home dates from 2008. Below: maps from 1900 on.

1on the National Register
0.3%homes built before 1940
Quick answers

About Brock Hall’s history

How historic is Brock Hall?

C−

More historic than 19% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
History grade

What drives Brock Hall’s History grade

On its age, its old homes and the National Register, Brock Hall is more historic than 19% of U.S. towns, #181 of 261 in Maryland. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.

C−
HistoryA character grade: shown, never part of Brock Hall’s overall grade.
All U.S. towns we grade (21,289)Ahead of 19%
NewerOlder
Maryland towns of 2,500+ (261)Ahead of 31%

Few Maryland towns list much on the Register (a typical Maryland town has 0.9 per 10,000 residents, the U.S. 2.4), so Brock Hall’s 0.7 sits near the middle of its state (45% of Maryland towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.

How sure. Graded on two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share (±0.5 points) is firm at this size.

Founding year: our sources. Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →

What stands out about Brock Hall’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 Brock Hall’s collection

The first neighbors to add old photos shape how Brock Hall’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

Brock Hall on the map, 1900 to 1993

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

Brock Hall on the 1900 USGS mapBrock Hall on the 1944 USGS mapBrock Hall on the 1957 USGS mapBrock Hall on the 1965 USGS mapBrock Hall on the 1971 USGS mapBrock Hall on the 1993 USGS map1900Washington 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 Brock Hall.

Places that used to be

Lost post offices and old corners

Two other post offices opened and closed inside today’s town.

Oak Grove
1866–1883
Leeland
1883–1919
18601940today
Hamlets and corners on the map
Kidwells CornerLeelandOak Grove

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

The story

How Brock Hall came to be

From Wikipedia’s history of Brock Hall.

Read it all →

Brock Hall CDP was created for the 2010 U.S. census; previously it was defined as being a part of Greater Upper Marlboro CDP.

In the 2020 U.S. census, a portion of Brock Hall was re-defined by the U.S. Census Bureau as being part of the new Brown Station CDP.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Brock Hall, 1866 to 1919

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

  1. 19th century
  2. 1866Post officeThe Oak Grove post office opens
  3. 1883Post officeThe Oak Grove post office closes
  4. 1883Post officeThe Leeland post office opens
  5. 20th century
  6. 1900On the mapFirst mapped by the U.S. Geological Survey
  7. 1919Post officeThe Leeland post office closes
By decade

Brock Hall, decade by decade

On the National Register

1 historic place in Brock Hall

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts
first listed
1973
Bowieville
Buildings

Architectural styles listings

Federal1

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

Famous people

Famous people close to Brock Hall

Nobody well known was born in Brock Hall 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 Brock Hall’s history

How does Brock Hall rank for history?

Brock Hall is more historic than 19% of U.S. towns, #181 of 261 in Maryland. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.

What is on the National Register in Brock Hall?

One place: the Bowieville (listed 1973).

How old are the homes in Brock Hall?

0.3% of Brock Hall’s homes were built before 1940 (Census estimate), against a typical 3.3% for a Maryland town; the median home was built in 2008.

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).

From Wikimedia Commons (12), the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, 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.