Butler County, Ohio
|Founded||May 1, 1803|
|Named for||General Richard Butler|
|• Total||470 sq mi (1,200 km2)|
|• Land||467 sq mi (1,210 km2)|
|• Water||3.1 sq mi (8 km2) 0.7%%|
|• Density||830/sq mi (320/km2)|
|Time zone||UTC−5 (Eastern)|
|• Summer (DST)||UTC−4 (EDT)|
Butler County is a county located in the southwestern part of the U.S. state of Ohio. As of the 2020 census, the population was 390,357. Its county seat is Hamilton. It is named for General Richard Butler, who died in 1791 during St. Clair's Defeat. Located along the Great Miami River, it is also home to Miami University, a public university founded in 1809. Butler County is part of the Cincinnati, OH-KY-IN Metropolitan Statistical Area. The majority of the county is in District 52 of the State House.
Successive cultures of ancient Indigenous peoples of the Americas occupied areas of the county. They built large earthworks, seven of which were still standing and recorded by a Smithsonian survey.
Early French explorers likely passed through the area along the Miami River. The gravesites of David and Margaret Gregory indicate they were some of the first white settlers in the area in Liberty Township. White settlers began moving into the area in larger numbers after the 1793 Treaty of Greenville was signed with the Native Americans of the area.
Butler County was formed on March 24, 1803 from portions of Hamilton County. It is named for General Richard Butler. Between 1803 and 1823, the townships of the county became officially recognized. Large portions of the county were held by non-resident owners, including 640 acres owned by future President William H Harrison. Some land that was originally part of Butler County was reassigned to Warren County in the north and Hamilton County to the south. Butler County's original size was 480 sq miles.
Around the late 1860s or early 1870s, the community of Mauds was the sight of an attempt by a local entrepreneur to construct a mill that worked via perpetual motion. A large crowd gathered to watch the mill start, and when it did not, laughter ensued. Nothing was heard from the unnamed entrepreneur again, and the mill quickly vanished. The local newspapers did not record the event, and the only record of its occurrence was transmitted by elderly residents of Mauds to one William Marion Miller of Miami University.
The Great Flood of 1913 affected much of the county, particularly the communities of Middletown, Ohio where approximately 25% of the town was flooded and 6 people died and Hamilton, Ohio, where 46% of the city was flooded, over 300 buildings destroyed, and at least 98 people killed.
In 1957 the Ohio Legislature established Hueston Woods State Park, which covers 3,596 acres in Butler and neighboring Preble County. In addition to a 625-acre manmade lake, the park contains the 200-acre Hueston Woods, one of the last near-virgin growths of American beech and maple in Ohio.
Geography and geology
- Preble County (north)
- Montgomery County (northeast)
- Warren County (east)
- Hamilton County (south)
- Dearborn County, Indiana (southwest)
- Franklin County, Indiana (west)
- Union County, Indiana (northwest)
|U.S. Decennial Census|
1990-2000 2020 
As of the census of 2000, there were 332,807 people, 123,082 households, and 87,880 families residing in the county. The population density was 712 people per square mile (275/km2). There were 129,793 housing units at an average density of 278 per square mile (107/km2). The racial makeup of the county was 91.20% White, 5.27% Black or African American, 0.21% Native American, 1.55% Asian, 0.03% Pacific Islander, 0.62% from other races, and 1.13% from two or more races. 1.43% of the population were Hispanic or Latino of any race. 28.1% were of German, 16.7% American, 10.7% Irish, and 9.8% English ancestry according to Census 2000. Those citing "American" ancestry in Butler County are of overwhelmingly English extraction, most English Americans identify simply as American because their ancestors have been in North America for centuries—in some cases since the 1600s.
There were 123,082 households, out of which 35.50% had children under the age of 18 living with them, 57.00% were married couples living together, 10.70% had a female householder with no husband present, and 28.60% were non-families. 22.70% of all households were made up of individuals, and 7.60% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.07.
In the county, the population was spread out, with 25.90% under the age of 18, 11.90% from 18 to 24, 29.80% from 25 to 44, 21.70% from 45 to 64, and 10.70% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 95.30 males. For every 100 females age 18 and over, there were 92.20 males.
The median income for a household in the county was $47,885, and the median income for a family was $57,513. Males had a median income of $42,052 versus $27,602 for females. The per capita income for the county was $22,076. About 5.40% of families and 8.70% of the population were below the poverty line, including 9.10% of those under age 18 and 7.00% of those age 65 or over.
As of the 2010 census, there were 368,130 people, 135,960 households, and 95,404 families residing in the county. The population density was 788.2 inhabitants per square mile (304.3/km2). There were 148,273 housing units at an average density of 317.5 per square mile (122.6/km2). The racial makeup of the county was 86.0% white, 7.3% black or African American, 2.4% Asian, 0.2% American Indian, 0.1% Pacific islander, 1.8% from other races, and 2.1% from two or more races. Those of Hispanic or Latino origin made up 4.0% of the population. In terms of ancestry, 27.0% were German, 14.8% were American, 13.6% were Irish, and 9.7% were English.
Of the 135,960 households, 35.9% had children under the age of 18 living with them, 52.9% were married couples living together, 12.4% had a female householder with no husband present, 29.8% were non-families, and 23.5% of all households were made up of individuals. The average household size was 2.63 and the average family size was 3.10. The median age was 36.0 years.
The median income for a household in the county was $54,788 and the median income for a family was $68,539. Males had a median income of $50,499 versus $37,094 for females. The per capita income for the county was $25,892. About 8.3% of families and 12.8% of the population were below the poverty line, including 16.1% of those under age 18 and 6.8% of those age 65 or over.
Prior to 1952, Butler County was strongly Democratic in presidential elections, only backing two Republican candidates for president from 1856 to 1948. Starting with the 1952 election, it has become a Republican Party stronghold, with the sole Democrat to win the county in a presidential election since then being Lyndon B. Johnson in 1964 in the midst of his statewide and national landslide victory.
There are sixteen school districts having territory in Butler County.
Primary Boundaries in Butler County
- Edgewood City School District (also in Preble)
- Edgewood High School, Trenton (The Cougars)
- Fairfield City School District
- Fairfield High School, Fairfield (The Indians)
- Hamilton City School District
- Hamilton High School, Hamilton (Big Blue)
- Lakota Local School District
- Madison Local School District
- Madison High School, Middletown (The Mohawks)
- Middletown City School District (also in Warren)
- Middletown High School, Middletown (The Middies)
- Monroe Local School District (also in Warren)
- Monroe High School, Monroe (The Hornets)
- New Miami Local School District
- New Miami High School, New Miami (The Vikings)
- Ross Local School District
- Ross High School, Hamilton (The Rams)
- Talawanda City School District (also in Preble)
- Talawanda High School, Oxford (The Braves)
Partial Boundaries in Butler County
- Mason City School District, Mason OH (Primarily in Warren County)
- Northwest Local School District, Cincinnati OH (Primarily in Hamilton County)
- Preble Shawnee School District, Camden OH (Primarily in Preble County)
- Princeton City School District, Springdale OH (Primarily in Hamilton County)
- Southwest Local School District, Harrison OH (Primarily in Hamilton County)
- Union County–College Corner Joint School District, Liberty IN (Partial in Preble County, Ohio, Primarily in Union and Franklin Counties in Indiana)
Private High Schools
- Father Stephen T. Badin High School, (Known as Badin High School), Hamilton (The Rams)
- Cincinnati Christian Schools, Fairfield (The Cougars)
- Middletown Christian Schools, Middletown (The Eagles) (School complex located in Warren County)
Butler County is home to top ranked and 10th oldest public university, Miami University.
- Miami University Main Campus, located in Oxford, OH. Founded in 1809.
- Miami University Middletown, located in Middletown. Founded in 1966, this is Ohio's first regional campus.
- Miami University Hamilton, located in Hamilton. Founded in 1968.
- Miami University Voice of America Learning Center, located in West Chester. Founded in 2009, this campus houses the Farmer School of Business MBA program.
Other unincorporated communities
- Heritage (Fairfield)
Ohio House Districts
- Ohio House of Representatives, 51st District
- Ohio House of Representatives, 52nd District
- Ohio House of Representatives, 53rd District
- Ohio House of Representatives, 54th District
Ohio Senate Districts
- Walter Alston, manager of Brooklyn/Los Angeles Dodgers
- John Boehner, congressman, Speaker of the House
- Mary Bowermaster, masters athletics record holder
- James E. Campbell, governor of Ohio
- Cris Carter, football player
- Frank Clair, football player
- Ray Combs, television personality
- Chase Crawford, actor and film producer
- Greg Dulli, musician
- Weeb Ewbank, football coach
- Andrew L. Harris, governor of Ohio
- Donald Harvey, serial killer
- William Dean Howells, writer
- Lorenzo D. Immell, Medal of Honor recipient in the American Civil War
- Howard Jones, football coach
- Kenesaw Mountain Landis, federal judge and baseball commissioner
- Mark Lewis, baseball player
- Jerry Lucas, basketball player
- McGuire Sisters, musical group
- Ezra Meeker, Oregon Trail preservationist
- Joe Nuxhall, baseball player and radio announcer, both for the Cincinnati Reds
- Darrell Pace, Olympic archer
- Clarence Page, columnist
- Nan Phelps, artist
- Charles Francis Richter, scientist devising the Richter scale for earthquakes
- Glen Rogers, serial killer
- Charlie Root, baseball player
- Bonnie Rotten, award-winning pornographic actress
- Brady Seals, musician
- Kent Tekulve, baseball player
- Roger Troutman, musician
- C. William Verity, politician and businessman
- Scott Walker, musician
- Sprinkles, cat rescued by police
- Simon Stepaniak, NFL player for the Green Bay Packers.
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