Dauphin County, Pennsylvania facts for kids

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Dauphin County, Pennsylvania
Map
Map of Pennsylvania highlighting Dauphin County
Location in the state of Pennsylvania
Map of the USA highlighting Pennsylvania
Pennsylvania's location in the U.S.
Statistics
Founded March 4, 1785
Seat Harrisburg
Largest City Harrisburg
Area
 - Total
 - Land
 - Water

558 sq mi (1,445 km²)
525 sq mi (1,360 km²)
33 sq mi (85 km²), 5.9%
PopulationEst.
 - (2015)
 - Density

272,983
520/sq mi (201/km²)
Time zone Eastern: UTC-5/-4
Website: www.dauphincounty.org
Named for: Louis Joseph, Dauphin of France
Pennsylvania Historical Marker
Designated: December 9, 1982

Dauphin County /ˈdɔːfɪn/ is a county in the U.S. state of Pennsylvania. As of the 2010 census, the population was 268,100. The county seat and the largest city is Harrisburg, Pennsylvania's state capital and tenth largest city. The county was created ("erected") on March 4, 1785, from part of Lancaster County and was named after Louis-Joseph, Dauphin of France, the first son of Louis XVI.

Dauphin County is included in the Harrisburg-Carlisle, PA Metropolitan Statistical Area.

Located within the county is Three Mile Island Nuclear Generating Station, site of the 1979 nuclear core meltdown.

Geography

According to the U.S. Census Bureau, the county has a total area of 558 square miles (1,450 km2), of which 525 square miles (1,360 km2) is land and 33 square miles (85 km2) (5.9%) is water. The county is bound to its western border by the Susquehanna River.

Adjacent counties

Major highways

  • I-76 / Penna. Tpk.
  • I-81
  • I-83
  • I-283
  • US 22
  • US 11 / US 15
  • US 209
  • US 322
  • US 422
  • PA 39
  • PA 147
  • PA 230
  • PA 283
  • PA 341
  • PA 441

Demographics

Historical populations
Census Pop.
1790 18,155
1800 22,270 22.7%
1810 31,883 43.2%
1820 21,653 −32.1%
1830 25,243 16.6%
1840 30,118 19.3%
1850 35,754 18.7%
1860 46,756 30.8%
1870 60,740 29.9%
1880 76,148 25.4%
1890 96,977 27.4%
1900 114,443 18.0%
1910 136,152 19.0%
1920 153,116 12.5%
1930 165,231 7.9%
1940 177,410 7.4%
1950 197,784 11.5%
1960 220,255 11.4%
1970 223,834 1.6%
1980 232,317 3.8%
1990 237,813 2.4%
2000 251,805 5.9%
2010 268,100 6.5%
Est. 2015 272,983 8.4%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

As of the 2010 census, the county was 72.7% White, 18.0% Black or African American, 0.2% Native American, 3.2% Asian, and 3.1% were two or more races. 7.0% of the population were of Hispanic or Latino ancestry [1].

As of the census of 2000, there were 251,798 people, 102,670 households, and 66,119 families residing in the county. The population density was 479 people per square mile (185/km²). There were 111,133 housing units at an average density of 212 per square mile (82/km²). The racial makeup of the county was 77.11% White, 16.91% Black or African American, 0.16% Native American, 1.96% Asian, 0.03% Pacific Islander, 1.97% from other races, and 1.85% from two or more races. 4.13% of the population were Hispanic or Latino of any race. 29.2% were of German, 7.5% Irish, 7.3% American and 7.2% Italian ancestry according to Census 2000. 91.8% spoke English and 3.9% Spanish as their first language.

According to 2005 estimates, 73.9% of the county's population was non-Hispanic whites. 17.8% of the population was African-Americans. 2.5% were Asians. Latinos now were 5.0% of the population.

In 2000 there were 102,670 households out of which 29.70% had children under the age of 18 living with them, 47.60% were married couples living together, 12.90% had a female householder with no husband present, and 35.60% were non-families. 30.00% of all households were made up of individuals and 10.30% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 2.98.

In the county, the population was spread out with 24.30% under the age of 18, 7.60% from 18 to 24, 30.10% from 25 to 44, 23.80% from 45 to 64, and 14.20% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 92.30 males. For every 100 females age 18 and over, there were 88.80 males.

County poverty demographics

According to research by The Center for Rural Pennsylvania, which is a legislative Agency of the Pennsylvania General Assembly, the poverty rate for Dauphin County was 13.4% in 2014. The statewide poverty rate was 13.6% in 2014. The 2012 childhood poverty rate by school district was: Central Dauphin School District - 39.3% living at 185% or below than the Federal Poverty Level; Derry Township School District - 14.3, Halifax Area School District - 30.8, Harrisburg City School District - 89.7%, Lower Dauphin School District - 20.0%, Middletown Area School District - 38.9, Millersburg Area School District - 38.9%, Steelton-Highspire School District - 74.8%, Susquehanna Township School District - 35.5% and Millersburg Area School District - 33.8%.

Live Birth rate

Dauphin County's live birth rate was 3,688 births in 1990. The County's live birth rate in 2000 was 3,137 births, while in 2011 it was 3,439 babies. Over the past 50 years (1960 to 2010), rural Pennsylvania saw a steady decline in both the number and proportion of residents under 18 years old. In 1960, 1.06 million rural residents, or 35 percent of the rural population, were children.

Metropolitan Statistical Area

The United States Office of Management and Budget has designated Dauphin County as the Harrisburg-Carlisle, PA Metropolitan Statistical Area (MSA). As of the 2010 U.S. Census the metropolitan area ranked 5th most populous in the State of Pennsylvania and the 96th most populous in the United States with a population of 549,475. Dauphin County is also a part of the larger Harrisburg-York-Lebanon, PA Combined Statistical Area (CSA), which combines the populations of Dauphin County as well as Adams, Cumberland, Lebanon, Perry and York Counties in Pennsylvania. The Combined Statistical Area ranked 5th in the State of Pennsylvania and 43rd most populous in the United States with a population of 1,219,422.

Recreation

There are two Pennsylvania state parks in Dauphin County.

  • Boyd Big Tree Preserve Conservation Area
  • Joseph E. Ibberson Conservation Area

Communities

Map of Dauphin County Pennsylvania With Municipal and Township Labels
Map of Dauphin County, Pennsylvania with municipal labels showing cities and boroughs (red), townships (white), and census-designated places (blue).

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 Dauphin County:

City

Boroughs

Townships

  • Conewago
  • Derry
  • East Hanover
  • Halifax
  • Jackson
  • Jefferson
  • Londonderry
  • Lower Paxton
  • Lower Swatara
  • Lykens
  • Middle Paxton
  • Mifflin
  • Reed
  • Rush
  • South Hanover
  • Susquehanna
  • Swatara
  • Upper Paxton
  • Washington
  • Wayne
  • West Hanover
  • Wiconisco
  • Williams

Census-designated places

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.

Unincorporated communities

Population ranking

The population ranking of the following table is based on the 2010 census of Dauphin County.

county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 Harrisburg (State Capital) City 49,528
2 Hershey CDP 14,257
3 Colonial Park CDP 13,229
4 Progress CDP 9,765
5 Middletown Borough 8,901
6 Linglestown CDP 6,334
7 Steelton Borough 5,990
8 Paxtonia CDP 5,412
9 Hummelstown Borough 4,538
10 Rutherford CDP 4,303
11 Skyline View CDP 4,003
12 Lawnton CDP 3,813
13 Penbrook Borough 3,008
14 Millersburg Borough 2,557
15 Highspire Borough 2,399
16 Lykens Borough 1,799
17 Paxtang Borough 1,561
18 Elizabethville Borough 1,510
19 Bressler CDP 1,437
20 Williamstown Borough 1,387
21 Palmdale CDP 1,308
22 Enhaut CDP 1,007
23 Wiconsico CDP 921
24 Royalton Borough 907
25 Halifax Borough 841
26 Dauphin Borough 791
27 Gratz Borough 765
28 Oberlin CDP 588
29 Lenkerville CDP 550
30 Union Deposit CDP 407
31 Berrysburg Borough 368
32 Pillow Borough 298

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