File:New_Montgomery_County_Courthouse,_Dayton.jpg · Wikimedia Commons · See Wikimedia Commons
Montgomery County
Sign in to saveAlso known as Montgomery County, Ohio, Montgomery County, OH
county in Ohio, United States
Key facts
- Country
- United States
- State
- Ohio
- Founded
- May 1, 1803
- Named after
- Richard Montgomery
- Seat
- Dayton
- Largest city
- Dayton
- Total
- 464 sq mi (1,200 km )
- Land
- 462 sq mi (1,200 km )
- Water
- 2.8 sq mi (7.3 km ) 0.6%
- Estimate 2025
- 539,598
- Density
- 1,160/sq mi (449/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
- Congressional district
- 10th
- Website
- www .mcohio .org
via Wikipedia infobox
Wikidata facts
- Named after
- Richard Montgomery
- Country
- United States
- Located in
- Ohio
- Capital
- Dayton
- Population
- 537309
- Area
- 1203
- Shares border with
- Darke County
- Official website
- www.mcohio.org
- Image
- Old Montgomery County Courthouse - Dayton, Ohio (2021).jpg
- Households
- 227077
- Licence plate code
- 57
Show 9 more facts
- category of associated people
- Category:People from Montgomery County, Ohio
- Commons category
- Montgomery County, Ohio
- topic's main category
- Category:Montgomery County, Ohio
- category for people born here
- Category:Births in Montgomery County, Ohio
- inception
- 1803-03-24
- different from
- Montgomery County
- water as percent of area
- 0.6
- native label
- Montgomery County
- per capita income
- 31146
Sources (12)
via Wikidata · CC0
~11 min read
Encyclopedic overview
Montgomery County is in the southwestern part of the U.S. state of Ohio. At the 2020 census, the population was 537,309, making it the fifth-most populous county in Ohio. The county seat is Dayton. The county was named in honor of Richard Montgomery, an American Revolutionary War general, who was killed in 1775 while attempting to capture Quebec City, Canada. Montgomery County is part of the Dayton, Ohio, Metropolitan Statistical Area.
Geography
Excerpted from Wikipedia’s “Montgomery County” article, available under the CC BY-SA 4.0 licence.