After theAmerican Revolutionary War was settled, the fledgling nation created theNorthwest Territory, tentatively divided into two counties. The area that would become the state ofIndiana in 1816 was included in the originalKnox County. As the area became more settled, Knox was partitioned into smaller counties, the last of which was the present-day Daviess, authorized on February 2, 1818. The boundaries of Daviess were reduced on December 21, 1818, by the formation ofOwen County, and on January 17, 1820, by the formation ofMartin County. It has retained its present boundary since 1820.
The terrain of Daviess County is hilly, with its area completely devoted to agriculture or urban development.[7] Its highest elevation (740 ft; 230 m ASL) is a rise one mile (1.6 km) north-northeast ofFarlen.[8] The county is drained by theWhite River flowing to the southwest, whose two main forks (East White and West White) come together at the county's southwest corner. The county's west boundary is defined by the West White River's course and its southern boundary is defined by the East White River's course; their confluence defines the county's corner point.
According to the 2010 census, Daviess County has a total area of 436.87 square miles (1,131.5 km2), of which 429.49 square miles (1,112.4 km2), or 98.31%, is land and 7.39 square miles (19.1 km2), or 1.69%, is water.[9]
In recent years, average temperatures in Washington have ranged from a low of 23 °F (−5 °C) in January to a high of 88 °F (31 °C) in July, although a record low of −19 °F (−28 °C) was recorded in December 1989 and a record high of 113 °F (45 °C) was recorded in July 1930. Average monthly precipitation ranged from 2.69 inches (68 mm) in February to 5.52 inches (140 mm) in May.[10]
As of the2020 census, the county had a population of 33,381. The median age was 35.2 years. 29.0% of residents were under the age of 18 and 16.2% of residents were 65 years of age or older. For every 100 females there were 101.6 males, and for every 100 females age 18 and over there were 99.8 males age 18 and over.[17][18]
38.7% of residents lived in urban areas, while 61.3% lived in rural areas.[19]
There were 11,737 households in the county, of which 35.6% had children under the age of 18 living in them. Of all households, 55.4% were married-couple households, 17.3% were households with a male householder and no spouse or partner present, and 21.8% were households with a female householder and no spouse or partner present. About 25.3% of all households were made up of individuals and 12.3% had someone living alone who was 65 years of age or older.[17]
There were 12,738 housing units, of which 7.9% were vacant. Among occupied housing units, 72.6% were owner-occupied and 27.4% were renter-occupied. The homeowner vacancy rate was 1.1% and the rental vacancy rate was 7.5%.[17]
As of the2010 United States census, there were 31,648 people, 11,329 households, and 8,116 families in the county.[20] The population density was 73.7 inhabitants per square mile (28.5/km2). There were 12,471 housing units at an average density of 29.0 per square mile (11.2/km2).[9] The racial makeup of the county was 95.0% white, 0.5% black or African American, 0.5% Asian, 0.2% American Indian, 2.6% from other races, and 1.1% from two or more races. Those of Hispanic or Latino origin made up 4.2% of the population.[20] In terms of ancestry, 31.4% wereGerman, 13.1% wereIrish, 10.8% wereAmerican, and 10.6% wereEnglish.[21]
Of the 11,329 households, 36.8% had children under the age of 18 living with them, 57.1% were married couples living together, 10.0% had a female householder with no husband present, 28.4% were non-families, and 24.6% of all households were made up of individuals. The average household size was 2.74 and the average family size was 3.29. The median age was 35.4 years.[20]
The median income for a household in the county was $47,697 and the median income for a family was $53,769. Males had a median income of $36,405 versus $29,652 for females. The per capita income for the county was $20,254. About 7.6% of families and 12.3% of the population were below thepoverty line, including 16.7% of those under age 18 and 7.6% of those age 65 or over.[22]
TheAmish (Swiss Amish) community in Daviess County, established in 1868, had a total population of 4,855 people (in 29 congregations) in 2017[4] or 14.6% of the county's population, stretching along the eastern side of the county fromAlfordsville, toCannelburg andMontgomery toOdon.
The county government is a constitutional body, and is granted specific powers by theConstitution of Indiana, and by theIndiana Code. The county council is the legislative branch of the county government and controls spending and revenue collection in the county. Representatives are elected from county districts. The council members serve four-year terms. They are responsible for setting salaries, the annual budget, and special spending. The council also has limited authority to impose local taxes, in the form of an income and property tax that is subject to state level approval, excise taxes, and service taxes.[23][24]
A board of commissioners constitutes the county's executive body. Commissioners are elected county-wide, in staggered four-year terms. One commissioner serves as president. The board executes the council's legislative acts, collects revenue, and manages the county's government functions.[23][24]
The county maintains asmall claims court that can handle some civil cases. The judge on the court is elected to a term of four years and must be a member of the Indiana Bar Association. The judge is assisted by a constable who is also elected to a four-year term. In some cases, court decisions can be appealed to the state levelcircuit court.[24]
The county has other elected offices, includingsheriff,coroner,auditor,treasurer,recorder,surveyor, and circuitcourt clerk. Each of these elected officers serves a term of four years and oversees a different part of county government. Members elected to county government positions are required to declareparty affiliations and to be residents of the county.[24]
Each township has atrustee who administers rural fire protection and ambulance service, provides poor relief, manages cemetery care, and performs farm assessment, among other duties. The trustee is assisted in these duties by a three-member township board. The trustees and board members are elected to four-year terms.[25]
Daviess County is a Republican stronghold in presidential elections and is consistently one of the most Republican counties in Indiana, giving John McCain 67% of the vote in 2008 and Mitt Romney nearly 75% of the vote in 2012. Donald Trump nearly won 80% of the vote in 2020.[citation needed]