Jo Daviess County, Illinois

The Jo Daviess County is a county located in the U.S. state of Illinois. In 2010, the County had 22 678 inhabitants and a population density of 14.6 inhabitants per square kilometer. The administrative headquarters ( County Seat) is Galena.


The County in the northwest corner of Illinois and is bordered to the west - separated by the Mississippi - at Iowa; in the north bordering Wisconsin. It has an area of 1602 square kilometers, of which 46 square kilometers are water surface.

The Jo Daviess County is located in the Driftless Area mentioned glacially shaped region that stretches across the southeastern Minnesota, southwestern Wisconsin, northeastern Iowa and extreme northwestern Illinois. In the last ice age, the Wisconsin Glaciation so-called, the region remained free of ice, so that the river valleys of the Galena River and the Apple River could cut deeper into the plateau during this time.

At the Jo Daviess County borders the following Nachbarcountys:


The Jo Daviess County was formed on February 27, 1827 from parts of Putnam, Mercer and Henry County. The County was named after Joseph Hamilton Daviess (1774-1811), a lawyer and military officer from Kentucky who was killed at the Battle of Tippecanoe.

Already in 1690 built the Frenchman Nicholas Perrot a trading post on the east bank of the Mississippi and traded with the Indians along the Fever River, today Galena River, he bought them by the lead mined in mines and re-sold to the French. It was only in 1816 reported to the Captain of the U.S. Army, John Shaw, again on the lead -depleting Indians on the Fever River. Built in 1818 John Tyler Armstrong a log cabin on the east bank of the River Fever. 1819 took over Francis Bouthillier this cabin and established a ferry across the river. In the next few months were about 100 men to work in the lead mines along the river. 1822 by the Government of the first mine to Colonel James Johnson sells, who arrived with about 20 whites and 50 slaves.

In 1826 the first post office was opened in Galena and 1827 began the first steamships their regular trips between Galena and St. Louis; also appeared in the Miners Journal, The first newspaper in the region. 1838, the first Presbyterian Church, built in 1841 and had been alone the city Galena 650 houses and 2,225 inhabitants. 1844 1839 started courthouse was completed and put into operation, and in 1847 began the sale of land to individuals. 1854 was the County by the Illinois Central Railroad its first railway connection, and a large fire destroyed all the wooden buildings along the main street.

1860, the later U.S. President Ulysses S. Grant came to Galena, rented a house and worked with his father and brothers in the leather goods business. After the end of the Civil War Grant came back and taught here his campaign office.

Territorial Development




1839 to Today

Demographic data

According to the census in 2010 Jo Daviess County were living in the 22 678 people in 10,083 households. The population density was 14.6 inhabitants per square kilometer. In the 10,083 households lived statistically 2.17 per person.

The racial the population was composed of 97.2 percent white, 0.5 percent African American, 0.2 percent Native American, 0.3 percent Asian and other ethnic groups; 0.9 percent were descended from two or more races. Regardless of ethnicity were 2.7 percent of the population are Hispanic or Latino of any race.

20.8 percent of the population were under 18 years old, 57.9 percent were between 18 and 64 and 21.3 percent were 65 years or older. 49.8 percent of the population was female.

The median income for a household was $ 47,103. The per capita income was $ 27,494. 10.5 percent of the population lived below the poverty line.

Jo Daviess County towns in


  • East Dubuque
  • Galena


  • Apple River
  • Elizabeth
  • Hanover
  • Menominee
  • Nora
  • Scales Mound
  • Stockton
  • Warren

Unincorporated communities

  • Aiken
  • Apple Canyon Lake
  • Blanding
  • Bremen
  • Cattese
  • Derinda Center
  • Morse Ville
  • New Diggins
  • Oak Hill
  • Rice
  • Rodden
  • Schapville
  • The Galena Territory
  • Willow


The Jo Daviess County is divided into 23 townships: