Washington County, Pennsylvania

administration
Washington County Courthouse, listed on the NRHP since 1974
US state :	Pennsylvania
Administrative headquarters :	Washington
Foundation :	March 28, 1781
Made up from:	Westmoreland County
Area code :	001 724
Demographics
Residents :	207,820 (2010)
Population density :	93.6 inhabitants / km ²
geography
Total area :	2230 km²
Water surface :	10 km²
map

Website : www.co.washington.pa.us

The Washington County is a county in the US state of Pennsylvania . At the 2010 census , the county had 207,820 people and a population density of 93.6 people per square kilometer. The county seat is Washington .

Washington County is part of the Pittsburgh metropolitan area .

geography

The county is located in southwest Pennsylvania and borders West Virginia to the west . To the east it is bounded by the Monongahela River , one of the two headwaters of the Ohio River . Washington County covers an area of 2,230 square kilometers, of which 10 square kilometers are water. It borders on the following counties:

Hancock County, West Virginia	Beaver County	Allegheny County
Brooke County (West Virginia) , Ohio County (West Virginia)		Westmoreland County
Marshall County, West Virginia	Greene County	Fayette County

history

Washington

Population development
Census	Residents	± in%
1790	23,892	-
1800	28,298	18.4%
1810	36,289	28.2%
1820	40,038	10.3%
1830	42,784	6.9%
1840	41,279	-3.5%
1850	44,939	8.9%
1860	46,805	4.2%
1870	48,483	3.6%
1880	55,418	14.3%
1890	71,155	28.4%
1900	92.181	29.5%
1910	143,680	55.9%
1920	188.992	31.5%
1930	204,802	8.4%
1940	210.852	3%
1950	209,628	-0.6%
1960	217.271	3.6%
1970	210,876	-2.9%
1980	217,074	2.9%
1990	204,584	-5.8%
2000	202,897	-0.8%
2010	207,820	2.4%
before 1900 1900–1990 2000 2010 Washington County's age pyramid (as of 2000)

Washington County was formed from Westmoreland County on March 28, 1781 . It was named after George Washington (1732–1799), the first President of the United States (1789–1797).

Four places in the county have National Historic Landmark status . 95 buildings and sites in the county are listed on the National Register of Historic Places (NRHP) (as of July 25, 2018).

Demographic data

According to the 2010 census , Washington County had 207,820 people in 83,608 households. The population density was 93.6 inhabitants per square kilometer.

The racial the population was composed of 94.1 percent white, 3.3 percent African American, 0.1 percent Native American, 0.6 percent Asian and other ethnic groups; 1.5 percent were descended from two or more races. Hispanic or Latino of any race was 1.1 percent of the population.

Statistically, there were 2.40 people each in the 83,608 households.

20.5 percent of the population were under 18 years old, 62.0 percent were between 18 and 64 and 17.5 percent were 65 years or older. 51.4 percent of the population was female.

The median income for a household in the county was $ 48,000 . The per capita income was $ 25,599. 10.9 percent of the population lived below the poverty line.