County · Pennsylvania

Allegheny County, Pennsylvania

Allegheny County, Pennsylvania has a quality-of-life score of 83 out of 100 (very high), ranking #544 of 3,143 US counties. Within Pennsylvania it ranks #10 of 67 counties. It ranks best on high school diploma or higher (high), public transit commuters (high) and some college (high). It ranks worst on median Air Quality Index (high), fine particulate matter (PM2.5) (high) and time spent in the emergency room (high).

83Very high
Quality-of-life score
#544 of 3,143 counties
Pennsylvania
#10 of 67 in PA
Population
1,225,035 (2025)
Land area
730 mi²
Density
1,678.2 /mi²
FIPS code
42003

Percentile-based score (100 is the best in the country) from 77 of 80 indicators, with the default “Explorer” weights.

Location of Allegheny County, Pennsylvania

Scores by category

Each category averages its indicators' percentile scores among US counties.

  • Safety42#1,783/3,096
  • Economy73#857/3,143
  • Housing50#1,567/3,140
  • Health78#692/3,144
  • Healthcare98#63/3,143
  • Environment10#2,801/3,108
  • Education99#29/3,144
  • Infrastructure93#227/3,144
  • Community90#315/3,144
  • Leisure & amenities85#487/3,143

Strengths · Weaknesses

Indicators where Allegheny County, Pennsylvania ranks highest and lowest among US counties (score = percentile, 100 = best).

Strengths

Weaknesses

What changed in five years

How each measure moved between two periods about five years apart, read against whether more or less is better, the published margin of error and the same change in other places.

Counties like Allegheny County, Pennsylvania five years ago that improved

The places whose measures looked most like those of Allegheny County, Pennsylvania in the earlier period, ranked by how many measures improved beyond the margin of error, minus how many declined. A comparison of published data, not a forecast and not advice.

Who lives here

Age, race and education of residents, from the American Community Survey. Shares are of all residents (age), residents of every origin (race) or adults 25 and over (education).

Income

How household income is spread, not just the middle: each bar is the share of households in that income range.

Homes

Who owns and who rents, what homes cost, and what the housing stock looks like.

Getting to work

How workers travel to their job and how long it takes them.

Jobs and pay

What the largest occupations here pay, from the Bureau of Labor Statistics' Occupational Employment and Wage Statistics survey.

The Bureau of Labor Statistics publishes pay by metro area, not by county or city. The metro area page lists its largest occupations and lets you look up any job.

Pay in the Pittsburgh, PA

Local businesses

Employer businesses and sole proprietors by industry, per resident and against the state and the nation. Counts of businesses next to counts of people, not a measure of demand.

Federal contract spending

Federal grants & assistance

Grants, loans (counted at their subsidy cost), direct payments and insurance, by fiscal year of the action (USAspending.gov, FABS). Reported apart from contracts and never added to them.

Public money & outcomes

Federal money per resident by fiscal year next to how the place changed, and, when its money jumped, how it compares with similar counties. A comparison, not cause and effect.

Representation in Congress

Members serving today, with their record in the current Congress (party-unity votes cast with their caucus, roll calls missed). Not a grade.

Metro area

The metro or micro area Allegheny County belongs to. A county is in at most one.

Cities and towns in Allegheny County

Places whose residents live mostly in Allegheny County, largest first.

  1. Pittsburgh304,759
  2. Bethel Park32,881
  3. Monroeville28,295
  4. Plum26,723
  5. Allison Park22,045
  6. Baldwin21,057
  7. West Mifflin19,190
  8. McKeesport17,380
  9. Franklin Park15,235
  10. Whitehall14,811
  11. Wilkinsburg14,027
  12. Carnot-Moon13,534
  13. Jefferson Hills12,317
  14. Munhall10,548
  15. Brentwood9,866
  16. Glenshaw9,139
  17. Swissvale8,418
  18. Pleasant Hills8,399
  19. Castle Shannon8,209
  20. Bellevue8,128
  21. Dormont8,063
  22. Carnegie7,978
  23. White Oak7,468
  24. Natrona Heights6,903

Neighboring counties

Places that share a border, best score first.

Similar counties

Closest indicator profiles across the country (no model: score distances).

Data and sources

Latest published value of each indicator; periods differ by source. Values flagged by their publisher are marked.

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