Stephenson County

administration
Stephenson County Courthouse and Soldier's Monument, listed on the NRHP since 1998
US state :	Illinois
Administrative headquarters :	Freeport
Address of the administrative headquarters:	Stephenson County Administration 15 N. Galena Avenue Freeport, IL 61032
Foundation :	March 4, 1837
Made up from:	Jo Daviess County Winnebago County
Area code :	001 815
Demographics
Residents :	47,711 (2010)
Population density :	32.6 inhabitants / km ²
geography
Total area :	1463 km²
Water surface :	1 km²
map

Website : www.co.stephenson.il.us

The Stephenson County is a county in the US -amerikanischen State Illinois . In 2010 , the county had 47,711 residents and a population density of 32.6 people per square kilometer. The county seat is Freeport .

geography

The county is located in the far north of Illinois on the border with Wisconsin and has an area of 1,463 square kilometers, of which one square kilometer is water. It borders on the following neighboring counties:

Lafayette County, Wisconsin	Green County, Wisconsin
Jo Daviess County		Winnebago County
Carroll County		Ogle County

traffic

US Highway 20 , which is the shortest route from Dubuque in Iowa to Rockford and Chicago , runs through Stephenson County in a west-east direction . Highway 20 is also Freeport's northern bypass. The Illinois State Routs 26 , 73 and 75 run through the County. All other roads are county roads and further subordinate and partly unpaved roads.

A Canadian National Railway runs parallel to US Highway 20 and runs west from Chicago .

The Albertus Airport is 7.5 km southeast of the city of Freeport.

history

Stephenson County was formed on March 4, 1837 from parts of Jo Daviess County and Winnebago County. It was named after Benjamin Stephenson (1769–1822), an early pioneer, politician and later colonel in the territorial militia.

Demographic data

Population development
Census	Residents	± in%
1840	2800	-
1850	11,666	316.6%
1860	25,112	115.3%
1870	30,608	21.9%
1880	31,963	4.4%
1890	31,338	-2%
1900	34,933	11.5%
1910	36,821	5.4%
1920	37,743	2.5%
1930	40,064	6.1%
1940	40,646	1.5%
1950	41,595	2.3%
1960	46.207	11.1%
1970	48,861	5.7%
1980	49,536	1.4%
1990	48.052	-3%
2000	48,979	1.9%
2010	47,711	-2.6%
Before 1900 1900–1990 2000 2010

Kellogg's Grove , listed on NRHP No. 78001191

As of the 2010 census , there were 47,711 people in 19,645 households in Stephenson County. The population density was 32.6 inhabitants per square kilometer. Statistically, 2.40 people lived in each of the 19,645 households.

The racial the population was composed of 86.5 percent white, 9.0 percent African American, 0.2 percent Native American, 0.6 percent Asian and other ethnic groups; 2.5 percent were descended from two or more races. Hispanic or Latino of any race was 2.9 percent of the population.

22.7 percent of the population were under 18 years old, 58.5 percent were between 18 and 64 and 18.8 percent were 65 years or older. 51.5 percent of the population was female.

The median income for a household was 43,304 USD . The per capita income was $ 22,608. 14.8 percent of the population lived below the poverty line.