Summit County, Colorado

administration
Summit County Courthouse
US state :	Colorado
Administrative headquarters :	Breckenridge
Foundation :	1861
Demographics
Residents :	27,994 (2010)
Population density :	17.8 inhabitants / km ²
geography
Total area :	1604 km²
Water surface :	29 km²
map

Website : www.co.summit.co.us

The Summit County is a county in the state of Colorado of the United States . The county seat is Breckenridge .

history

Summit County was formed on November 1, 1861 as one of the 17 original counties of the Colorado Territory. Until 1874 it still consisted of today's Counties Summit, Grand , Routt , Moffat , Garfield , Eagle and Rio Blanco . Summit County is named after the state's numerous mountains and is located in central Colorado.

geography

The county's area is home to numerous ski resorts, Keystone Resort , Copper Mountain , Breckenridge, and Arapahoe Basin . Other tourist areas are in Dillon (Dillon Reservoir) and on Green Mountain.

The Interstate 70 runs through the county, as is the Blue River and the Continental Divide .

Demographic data

growth of population
Census	Residents	± in%
1870	258	-
1880	5459	2,015.9%
1890	1906	-65.1%
1900	2744	44%
1910	2003	-27%
1920	1724	-13.9%
1930	987	-42.7%
1940	1754	77.7%
1950	1135	-35.3%
1960	2073	82.6%
1970	2665	28.6%
1980	8848	232%
1990	12,881	45.6%
2000	23,548	82.8%
2010	27,994	18.9%
Before 1900 1900–1990 2000 2010 Summit County's age pyramid (as of 2000)

Lake Dillon

Foothills of the Rocky Mountains

According to the 2000 census , the county had 23,548 people. There were 9,120 households and 4,769 families. The population density was 15 people per square kilometer. The racial the population was composed of 91.84 percent white, 0.68 percent African American, 0.48 percent Native American, 0.87 percent Asian, 0.07 percent of residents from the Pacific island area and 3.96 percent from other ethnic groups Groups; 2.10 percent were descended from two or more races. 9.79 percent of the total population were Hispanic or Latino of any race.

Of the 9,120 households, 24.0 percent had children and adolescents under the age of 18 living with them. 44.0 percent were married couples living together, 4.4 percent were single mothers. 47.7 percent were not families. 21.6 percent were single households and 1.6 percent had people aged 65 or over. The average household size was 2.48 and the average family size was 2.86 people.

For the entire county, the population was composed of 17.4 percent of residents under the age of 18, 15.7 percent between 18 and 24 years of age, 44.3 percent between 25 and 44 years of age, 19.4 percent between 45 and 64 years of age 3.3 percent were 65 years of age or over. The median age was 31 years. For every 100 females there were 139.0 males, and for every 100 females aged 18 and over there were 144.9 males.

The median income for a household in the county is $ 56,587 , and the median income for a family is $ 66,914. Males had a median income of $ 33,741 versus $ 27,017 for females. The per capita income was $ 28,676. 9.0 percent of the population and 3.1 percent of families are below the poverty line. This included 4.3 percent of the population under the age of 18 and 3.4 percent of the population aged 65 and over.