Pittsburgh-New Castle-Weirton, PA-OH-WV Combined Statistical Area

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The Pittsburgh-New Castle-Weirton, PA-OH-WV Combined Statistical Area is a 12-county Combined Statistical Area (CSA) in the United States. The principal city of the area is the City of Pittsburgh, Pennsylvania but the CSA includes parts of the states of Pennsylvania, West Virginia, and Ohio. It was officially defined by the U.S. Census Bureau in 2013.[1] The Census Bureau has classified it as a CSA because the region shares integrated transportation and economic ties, as evidenced by commuting patterns.[2] The estimated population of the area was 2,635,228 in mid-2016.[3]


Map of Pennsylvania's counties, showing the Pittsburgh MSA in red and the New Castle μSA in yellow.

The following metropolitan and micropolitan statistical areas form the Pittsburgh-New Castle-Weirton, PA-OH-WV CSA.[1]

Pittsburgh, PA Metropolitan Statistical Area[edit]

Weirton-Steubenville, WV-OH Metropolitan Statistical Area[edit]

New Castle, PA Micropolitan Statistical Area[edit]

Indiana, PA Micropolitan Statistical Area[edit]

Principal cities and towns[edit]

Largest Municipalities by Population (Pittsburgh-New Castle-Weirton CSA)[4]
Rank Name Type County State Population
1 Pittsburgh City Allegheny PA 303,625
2 Penn Hills Township Allegheny PA 41,555
3 Hempfield Township Westmoreland PA 41,335
4 Mount Lebanon Township Allegheny PA 32,475
5 Bethel Park Borough Allegheny PA 31,911
6 Ross Township Allegheny PA 30,745
7 Cranberry Township Butler PA 30,739
8 North Huntingdon Township Westmoreland PA 30,681
9 McCandless Township Allegheny PA 28,755
10 Shaler Township Allegheny PA 28,286
11 Monroeville Municipality Allegheny PA 27,953
12 Plum Borough Allegheny PA 27,399
13 Moon Township Allegheny PA 25,580
14 Unity Township Westmoreland PA 22,324
15 Peters Township Washington PA 22,143
16 New Castle City Lawrence PA 22,142
17 Murrysville Municipality Westmoreland PA 20,042
18 West Mifflin Borough Allegheny PA 19,921
19 Upper St. Clair Township Allegheny PA 19,813
20 Baldwin Borough Allegheny PA 19,734
21 Penn Township Westmoreland PA 19,580
22 McKeesport City Allegheny PA 19,273
23 Weirton City Hancock & Brooke WV 18,989
24 Hampton Township Allegheny PA 18,440
25 Steubenville City Jefferson OH 18,072


Ethnic diversity[edit]

The graphs above uses 2010 US Census and 2016 US Census estimates to compare the White, non-Hispanic vs. non-white population in the Pittsburgh CSA vs. the entire US.[5]

According to the 2016 population estimates, Greater Pittsburgh is less diverse than the United States as a whole. Persons of color, or non-white Americans, represent only 13.5 percent of the region's population, compared to 38.7 percent in the United States overall.[5]

The combined statistical area has, however, seen a significant increase in Asian Americans, Hispanic or Latino Americans, and Multiracial Americans since 2010. During the same period, the African-American population has remained essentially unchanged whereas the White population continues to steadily decrease.[5]

Allegheny County is the most diverse of the twelve Pittsburgh CSA counties with persons of color representing 21 percent of the population, or 257,832 people. Armstrong County is the least diverse, with a population that is only 2.8 percent non-white.[5]

Pittsburgh CSA Population by Ethnic Group (2010–16)[5]
Ethnic Group 2010






Total % Total % Total %
White or European American 2,338,582 87.89 2,280,228 86.53 -58,354 -2.50
Black or African American 206,106 7.75 206,035 7.82 -71 -0.03
Asian American 43,236 1.62 56,801 2.15 +13,565 +31.37
Multiracial 36,403 1.37 44,613 1.69 +8,210 +22.55
Hispanic or Latino 33,097 1.24 43,518 1.65 +10,421 +31.49
American Indian and Alaska Native 2,803 0.11 3,074 0.12 +271 +9.67
Native Hawaiian and other Pacific Islander 500 0.02 959 0.04 +459 +91.80
Total 2,660,727 100.0 2,635,228 100.0 -25,499 -0.96

The 2012-16 American Community Survey estimated the region's foreign-born population at 3.4 percent. The largest plurality of this group, or 48.3 percent, were born in Asia, 27.8 percent in Europe, and 13.3 percent in Latin America. A supermajority (67.3 percent) of the region's most recent international arrivals, or those entering the country since 2010, were born in Asia.[6]


Pittsburgh CSA Population by Age Group (2010–16)[7]
Age group 2010 census 2016 estimate 2010-16 change
Total % Total % Total %
Under 18 years 535,961 20.14 504,285 19.14 -31,676 -5.91
18 – 64 years 1,663,500 62.52 1,624,450 61.64 -39,050 -2.35
65 years and over 461,266 17.34 506,493 19.22 +45,227 +9.80
Total 2,660,727 100.0 2,635,228 100.0 -25,499 -0.96

Greater Pittsburgh's population has traditionally been significantly older than the United States as a whole.[8] This is largely due to the large domestic out-migration which occurred during the steel industry's collapse in the 1970s and 1980s.[9] Most out-migrants were working age at the time and this led to the area having a much greater than average elderly population than most areas of the country at the end of the 20th Century.[8] As of the 2012-16 American Community Survey, Pittsburgh-New Castle-Weirton was the 11th oldest combined statistical area in the United States with a median age of 43 years.[10] Greater Pittsburgh's population age structure is most similar to slower growing European countries such as Belgium, Finland, Greece, and Slovenia which all have similar median ages.[11]

In recent decades, however, the growth of the oldest segments of the population has become more pronounced in the country overall and less so in Greater Pittsburgh. Between 2010 and 2016, the age 65 and over population of the region increased 9.8 percent[7] whereas that age group grew by 22.3 percent in the United States over the same time period.[12] Indiana and Allegheny counties, which both have significant college student populations, are the youngest counties in the region by median age and Allegheny County's median age has actually been declining in recent years. All of the remaining ten counties in the region have median ages well above the US and their respective states.[13]

Source: US Census Bureau, County Population by Characteristics: 2010-2016[13]

Baby Boomers continue to represent the largest generational cohort in Greater Pittsburgh with 28.6 percent of the population in 2016.[13] Millennials, along with the youngest generation, Generation Z, now represent 40.9 percent of the region's population which is roughly equal to the oldest generations (Baby Boomers, Silents, and World War II) with 41.7 percent of the population. As is the case in the United States as a whole, Millennials are now the largest generation in Allegheny and Indiana counties.

Source: US Census Bureau, County Population by Characteristics: 2010-2016[13]

Income and earnings[edit]

Source: IPUMS National Historical Geographic Information System[14]
Pittsburgh CSA Median Household Income by County
American Community Survey (5-year)


County 2007-11[15] 2012-16[16] Change
$ %
1 Butler $61,317 $63,345 +$2,028 +3.31
2 Washington $55,440 $57,534 +$2,094 +3.78
United States $56,290 $55,322 -$968 -1.72
Pennsylvania $55,105 $54,895 -$210 -0.38
3 Allegheny $53,135 $54,357 +$1,222 +2.30
4 Westmoreland $52,254 $54,142 +$1,888 +3.61
Pittsburgh CSA $52,764
5 Beaver $51,133 $51,887 +$754 +1.47
Ohio $51,285 $50,674 -$611 -1.19
6 Brooke $44,212 $46,265 +$2,053 +4.64
7 Armstrong $47,650 $45,879 -$1,771 -3.72
8 Lawrence $46,751 $45,764 -$987 -2.11
9 Indiana $44,194 $45,118 +$924 +2.09
West Virginia $42,195 $42,644 +$449 +1.06
City of Pittsburgh $39,646 $42,450 +$2,804 +7.07
10 Jefferson $42,091 $42,327 +$236 +0.56
11 Fayette $39,053 $40,511 +$1,458 +3.73
12 Hancock $40,935 $40,316 -$619 -1.51
CSA defined in 2013. Median income data is not available for the 2007-11 ACS.

2011-11 figures are adjusted for inflation to compare to 2012-16 ACS values in real terms.[17]

The wealthiest counties by median household income in Greater Pittsburgh are Butler and Washington counties.[16] Both counties have median incomes above those of the United States and Pennsylvania and have continued to experience strong income growth since the Great Recession and have benefited from being adjacent to many of the wealthiest suburbs in Allegheny County's in North and South Hills. Most counties in the region and the City of Pittsburgh showed reasonably strong gains in household income since the 2007-11 American Community Survey (ACS) whereas Pennsylvania, Ohio, and the nation as a whole saw income declines over the same time period.[15][16] This includes some of the less wealthy counties in the region, such as Fayette and Brooke counties. Despite this recent growth, however, the region's overall median household income remains slightly less than the United States overall.[16]

According to the 2012-16 ACS, there are 231 county subdivisions[18] whose median incomes are greater or equal to the region's median ($52,274).[14] The ten wealthiest districts are Sewickley Heights, Edgeworth, Ben Avon Heights, Fox Chapel, Sewickley Hills, Glen Osborne, Thornburg, Pine Township, Rosslyn Farms, and Franklin Park.[14] Seven of these municipalities are in the wealthy Sewickley Valley and North Hills areas to the north and northwest of Pittsburgh and all of them are in Allegheny County. Other high income areas in the region include southern Butler County where the townships of Cranberry and Adams have become extensions of the North Hills, and the fast-growing South Hills, including the streetcar suburb of Mount Lebanon, the post-war suburb of Upper St. Clair in Allegheny County, and the more recently developed areas surrounding the Southpointe office complex such as Peters and Cecil townships in northern Washington County.

There are a greater number of districts (294) in the region, however, which have median household incomes below the Greater Pittsburgh median.[14] The ten districts with the lowest median household incomes are Duquesne, Braddock, Homestead, Rankin, Wilmerding, Arnold, East Pittsburgh, McKeesport, Uniontown, and Karns City.[14] Seven of these districts are also in Allegheny County clustered in the largely deindustrialized Mon Valley and Turtle Creek Valley areas. Other areas with significantly low household incomes are several rural municipalities in far northern Butler, Armstrong, and Indiana counties as well as most of eastern and northern Fayette County which all have less accessibility to the regions main employment centers. The former mill towns of the Beaver Valley as well as the cities of New Castle, Steubenville, and Weirton, and their environs also have noticeably low median household income compared to the rest of the region.


Pittsburgh International Airport is the primary airport providing commercial passenger service to the Pittsburgh metropolitan area. Arnold Palmer Regional Airport also provides limited commercial passenger service and is 44 miles (71 km) east of Pittsburgh.

Other airports with scheduled commercial service that are convenient to certain parts of the Pittsburgh metropolitan area include Morgantown Municipal Airport (79 miles (127 km) south of Pittsburgh), Youngstown–Warren Regional Airport (81 miles (130 km) northwest of Pittsburgh), Akron–Canton Airport (120 miles (190 km) northwest of Pittsburgh), and Erie International Airport (123 miles (198 km) north of Pittsburgh).

See also[edit]


  1. ^ a b Bureau, US Census. "Delineation Files". www.census.gov. Retrieved 2018-02-01.
  2. ^ Geography, US Census Bureau. "Geography Atlas - Combined Statistical Areas". www.census.gov. Retrieved 2018-02-01.
  3. ^ Bureau, U.S. Census. "American FactFinder - Results". factfinder.census.gov. Archived from the original on 2020-02-13. Retrieved 2018-02-01.
  4. ^ Bureau, US Census. "City and Town Population Totals: 2010-2016". www.census.gov. Retrieved 2018-02-04.
  5. ^ a b c d e Bureau, US Census. "County Population Totals and Components of Change: 2010-2016". www.census.gov. Retrieved 2018-02-09.
  6. ^ "U.S. Census Bureau, 2012-2016 American Community Survey 5-Year Estimates". Archived from the original on 13 February 2020. Retrieved 8 February 2018.
  7. ^ a b Bureau, U.S. Census (2017-06-01). "Annual Estimates of the Resident Population for Selected Age Groups by Sex for the United States, States, Counties and Puerto Rico Commonwealth and Municipios: April 1, 2010 to July 1, 2016". factfinder.census.gov. Archived from the original on February 13, 2020. Retrieved 2018-02-17.
  8. ^ a b Kotkin, Joel. "Aging America: The Cities That Are Graying The Fastest". Forbes. Retrieved 2018-02-17.
  9. ^ Briem, Christopher. "Economic Restructuring in the Pittsburgh Region" (PDF). Archived from the original (PDF) on 2016-09-28. Retrieved 2018-02-17.
  10. ^ Bureau, U.S. Census. "2012-2016 American Community Survey 5-Year Estimates". factfinder.census.gov. Archived from the original on 2020-02-13. Retrieved 2018-02-18.
  11. ^ "These maps show where the world's youngest and oldest people live". Public Radio International. Retrieved 2018-02-18.
  12. ^ Bureau, U.S. Census (2017-06-01). "Annual Estimates of the Resident Population for Selected Age Groups by Sex for the United States, States, Counties and Puerto Rico Commonwealth and Municipios: April 1, 2010 to July 1, 2016". factfinder.census.gov. Archived from the original on February 13, 2020. Retrieved 2018-02-18.
  13. ^ a b c d Bureau, US Census. "County Population by Characteristics: 2010-2016". www.census.gov. Retrieved 2018-02-18.
  14. ^ a b c d e Manson, Steven; Schroeder, Jonathan; Van Ripper, David; Ruggles, Steven (2017). "IPUMS National Historical Geographic Information System: Version 12.0 [Database]". IPUMS NHGIS. Minneapolis: University of Minnesota. doi:10.18128/d050.v12.0.
  15. ^ a b Bureau, U.S. Census. "2007-2011 American Community Survey 5-Year Estimates". factfinder.census.gov. Archived from the original on 2020-02-16. Retrieved 2018-02-19.
  16. ^ a b c d Bureau, U.S. Census. "2012-2016 American Community Survey 5-Year Estimates". factfinder.census.gov. Archived from the original on 2020-02-16. Retrieved 2018-02-19.
  17. ^ Bureau, US Census. "Current versus Constant (or Real) Dollars". www.census.gov. Retrieved 2018-02-19.
  18. ^ The US Census bureau uses municipalities as county subdivisions in Ohio and Pennsylvania but magisterial districts are used in West Virginia.