| Lawrence County, Pennsylvania | |
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Lawrence County Courthouse
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Location in the state of Pennsylvania |
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Pennsylvania's location in the U.S. |
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| Founded | March 20, 1849 |
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| Seat | New Castle |
| Largest city | New Castle |
| Area - Total - Land - Water |
363 sq mi (940 km²) 361 sq mi (935 km²) 2 sq mi (5 km²), 0.63% |
| Population - (2010) - Density |
91,108 252/sq mi (97.4/km²) |
| Website | www.co.lawrence.pa.us |
Lawrence County is a county located in the U.S. state of Pennsylvania. In 2010, its population was 91,108. The county was added to the Pittsburgh Metropolitan Statistical Area in 2003. The county seat is New Castle[1].
Lawrence County was created on March 20, 1849, from parts of Beaver and Mercer counties. It was named after the USS Lawrence, Oliver Hazard Perry's original flagship at the Battle of Lake Erie during the War of 1812.
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According to the U.S. Census Bureau, the county has a total area of 363 square miles (940.2 km2), of which 360 square miles (932.4 km2) is land and 2 square miles (5.2 km2) (0.63%) is water. Major waterways are the Shenango River, Neshannock Creek and the Mahoning River which form the Beaver River. Also, the Slippery Rock Creek and Connoquenessing Creak empty into the Beaver River.
As of November 2008, there are 62,505 registered voters in Lawernce County [1].
| Historical populations | |||
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| Census | Pop. | %± | |
| 1850 | 21,079 |
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| 1860 | 22,999 | 9.1% | |
| 1870 | 27,298 | 18.7% | |
| 1880 | 33,312 | 22.0% | |
| 1890 | 37,517 | 12.6% | |
| 1900 | 57,042 | 52.0% | |
| 1910 | 70,032 | 22.8% | |
| 1920 | 85,545 | 22.2% | |
| 1930 | 97,258 | 13.7% | |
| 1940 | 96,877 | −0.4% | |
| 1950 | 105,120 | 8.5% | |
| 1960 | 112,965 | 7.5% | |
| 1970 | 107,374 | −4.9% | |
| 1980 | 107,150 | −0.2% | |
| 1990 | 96,246 | −10.2% | |
| 2000 | 94,639 | −1.7% | |
| 2010 | 91,108 | −3.7% | |
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As of the census[4] of 2000, there were 94,643 people, 37,091 households, and 25,889 families residing in the county. The population density was 263 people per square mile (101/km²). There were 39,635 housing units at an average density of 110 per square mile (42/km²). The racial makeup of the county was 94.98% White, 3.61% Black or African American, 0.10% Native American, 0.27% Asian, 0.01% Pacific Islander, 0.19% from other races, and 0.84% from two or more races. 0.56% of the population were Hispanic or Latino of any race. 26.1% were of Italian, 21.7% German, 9.3% Irish, 6.8% English and 6.8% Polish ancestry according to Census 2000.
There were 37,091 households out of which 28.80% had children under the age of 18 living with them, 54.50% were married couples living together, 11.50% had a female householder with no husband present, and 30.20% were non-families. 27.00% of all households were made up of individuals and 14.40% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.00.
In the county, the population was spread out with 23.10% under the age of 18, 8.30% from 18 to 24, 25.70% from 25 to 44, 23.60% from 45 to 64, and 19.30% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 90.60 males. For every 100 females age 18 and over, there were 86.90 males.
Under Pennsylvania law, there are four types of incorporated municipalities: cities, boroughs, townships, and, in at most two cases, towns. The following cities, boroughs and townships are located in Lawrence County:
Census-designated places are geographical areas designated by the U.S. Census Bureau for the purposes of compiling demographic data. They are not actual jurisdictions under Pennsylvania law. Other unincorporated communities, such as villages, may be listed here as well.
Various unincorporated communities that lie within and are part of official municipalities.
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