Indiana County, Pennsylvania

Indiana County, Pennsylvania

Indiana County Courthouse
Map of Pennsylvania highlighting Indiana County
Location in the U.S. state of Pennsylvania
Map of the United States highlighting Pennsylvania
Pennsylvania's location in the U.S.
Founded November 3, 1806
Seat Indiana
Largest borough Indiana
  Total 834 sq mi (2,160 km2)
  Land 827 sq mi (2,142 km2)
  Water 7.3 sq mi (19 km2), 0.9%
Population (est.)
  (2015) 86,966
  Density 105/sq mi (41/km²)
Congressional district 9th
Time zone Eastern: UTC-5/-4

Indiana County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 88,880.[1] Its county seat is Indiana.[2] The county was created on March 30, 1803, from parts of Westmoreland and Clearfield counties and later organized in 1806.[3] Indiana County (Indiana meaning "land of the Indians") derives its name from the Iroquois Six Nations so-called Indiana Grant of 1768. The area of the Indiana Grant formed a proposed colony bordered on the north and west by the Ohio River, and was made up of what is now parts of eastern Kentucky, northern West Virginia, and western Pennsylvania. The proposed colony or part thereof was variously labelled on maps of the late 1700s as Indiana, Vandalia, Pittsylvania, or Westsylvania. This area was unrelated to and physically separated from the later named (1800), farther west Indiana Territory which became the State of Indiana.

Indiana County comprises the Indiana, PA Micropolitan Statistical Area, which is also included in the Pittsburgh-New Castle-Weirton, PA-OH-WV Combined Statistical Area.[4] It is in the defined region of the Pittsburgh media market. Indiana County is served by three different area codes: 724, 814, and 582.

The county proclaims itself the "Christmas Tree Capital of the World", shipping over one million trees annually.[5]


According to the U.S. Census Bureau, the county has a total area of 834 square miles (2,160 km2), of which 827 square miles (2,140 km2) is land and 7.3 square miles (19 km2) (0.9%) is water.[6]

Adjacent counties


Historical population
Census Pop.
Est. 201586,966[7]−2.2%
U.S. Decennial Census[8]
2012 Estimate[1]

As of the census[9] of 2000, there were 89,605 people, 34,123 households, and 22,521 families residing in the county. The population density was 108 people per square mile (42/km²). There were 37,250 housing units at an average density of 45 per square mile (17/km²). The racial makeup of the county was 96.87% White, 1.57% Black or African American, 0.08% Native American, 0.74% Asian, 0.01% Pacific Islander, 0.16% from other races, and 0.58% from two or more races. 0.51% of the population were Hispanic or Latino of any race. 25.9% were of German, 11.6% Italian, 10.7% Irish, 8.6% American, 7.1% English and 6.8% Polish ancestry according to Census 2000.

There were 34,123 households out of which 27.90% had children under the age of 18 living with them, 54.30% were married couples living together, 8.20% had a female householder with no husband present, and 34.00% were non-families. 26.50% of all households were made up of individuals and 11.80% 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 2.99.

In the county, the population was spread out with 21.10% under the age of 18, 16.60% from 18 to 24, 24.80% from 25 to 44, 22.70% from 45 to 64, and 14.90% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 94.00 males. For every 100 females age 18 and over, there were 90.60 males.

Micropolitan Statistical Area

Map of the Pittsburgh-New Castle-Weirton, PA-OH-WV Combined Statistical Area (CSA)

The United States Office of Management and Budget[10] has designated Indiana County as the Indiana, PA Micropolitan Statistical Area (µSA). As of the 2010 U.S. Census[11] the micropolitan area ranked 4th most populous in the State of Pennsylvania and the 50th most populous in the United States with a population of 88,880. Indiana County is also a part of the Pittsburgh-New Castle-Weirton, PA-OH-WV Combined Statistical Area (CSA), which combines the population of Indiana, as well as the Allegheny, Armstrong, Beaver, Butler, Fayette, Lawrence, Washington and Westmoreland county areas in Pennsylvania. In West Virginia the counties included are Brooke and Hancock. And in Ohio, Jefferson County. The Combined Statistical Area ranked 4th in the State of Pennsylvania and 20th most populous in the United States with a population of 2,660,727.

Government and politics

As of the 2016 primary election held April 26, 2016, there were 48,710 registered voters across Indiana County's 69 precincts: 20,089 Democrats (41.24%); 22,134 Republicans (45.44%); and 6,487 Independents (13.32%).[12] This represents a slight demographic shift since November 2008, when a total of 58,077 registered voters were 45.89% (26,653) Democrat, 41.60% (24,159) Republican, and 12.51% (7,265) Independent.[13]

County commissioners

Other county offices

State Representatives

State Senator

US Representatives


Map of Indiana County, Pennsylvania Public School Districts

Public school districts

Post-secondary education


In 2003, the county was recommended for non-attainment under EPA ozone standards based upon mobile source contribution to smog-forming emissions.[14]

The county is also the site of the Homer City Generating Station, a coal-burning power plant. The plant has caught the attention of environmentalists as being ranked second in emissions, in 2002, of Toxics Release Inventory (TRI) in Pennsylvania.[15] The plant also ranked high, in 2003, in the emissions of both sulfur dioxide and carbon dioxide ranking 4th and 28th in the nation.[16]


Map of Indiana County, Pennsylvania with Municipal Labels showing 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 boroughs and townships are located in Indiana County:



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 Indiana County.[17]

county seat

Rank City/Town/etc. Municipal type Population (2010 Census)

1 Indiana Borough 13,975
2 Blairsville Borough 3,412
3 Homer City Borough 1,707
4 Chevy Chase Heights CDP 1,502
5 Black Lick CDP 1,462
6 Clymer Borough 1,357
7 Lucerne Mines CDP 937
8 Saltsburg Borough 873
9 Heilwood CDP 711
10 Rossiter CDP 646
11 Jacksonville CDP 637
12 Robinson CDP 614
13 Dicksonville CDP 467
14 Ernest Borough 462
15 Marion Center Borough 451
16 Cherry Tree Borough 364
17 Commodore CDP 331
18 Coral CDP 325
19 Creekside Borough 309
20 Plumville Borough 307
21 Graceton CDP 257
22 Glen Campbell Borough 245
23 Shelocta Borough 130
24 Armagh Borough 122
25 Smicksburg Borough 46

Notable natives and residents

See also


  1. 1 2 "State & County QuickFacts". United States Census Bureau. Retrieved November 17, 2013.
  2. "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved 2011-06-07.
  3. "Pennsylvania: Individual County Chronologies". Pennsylvania Atlas of Historical County Boundaries. The Newberry Library. 2008. Retrieved March 12, 2015.
  5. "'Tis the season for tree farmers". Pittsburgh Tribune-Review. December 20, 2004. Retrieved May 16, 2006.
  6. "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved March 7, 2015.
  7. "County Totals Dataset: Population, Population Change and Estimated Components of Population Change: April 1, 2010 to July 1, 2015". Retrieved July 2, 2016.
  8. "U.S. Decennial Census". Archived from the original on May 11, 2015. Retrieved November 17, 2013.
  9. "American FactFinder". United States Census Bureau. Archived from the original on September 11, 2013. Retrieved 2008-01-31.
  11. "Archived copy". Archived from the original on December 21, 2013. Retrieved February 13, 2016.
  12. 2016 Primary Election Results Indiana County, Pennsylvania. Official Website. 2016 Unofficial Election Results. Retrieved on 2016-09-05.
  13. Running for Office Archived November 26, 2008, at the Wayback Machine.. Retrieved on 2013-07-23.
  14. "Figure 3. Mobile Source Contribution to Smog-Forming Emissions in Counties Recommended for Nonattainment under New EPA Ozone Standards". Surface Transportation Policy Project. April 16, 2004. Retrieved May 16, 2006.
  15. "Pa. ranks among worst states for toxic emissions". Pittsburgh Tribune-Review. November 18, 2002. Retrieved May 16, 2006.
  16. Environmental Integrity Project & Public Citizen’s Congress Watch (May 2004). "America's Dirtiest Power Plants: Plugged into the Bush Administration" (PDF). Archived from the original (PDF) on April 13, 2006. Retrieved May 16, 2006.
  17. "Archived copy". Archived from the original on December 21, 2013. Retrieved February 13, 2016.
Wikisource has the text of an 1879 American Cyclopædia article about Indiana County, Pennsylvania.

Coordinates: 40°39′N 79°05′W / 40.65°N 79.09°W / 40.65; -79.09

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