RANK #552 / 996 · POP 1,245,310 · PA
PROJECTED GROWTH: +0.5%
Allegheny County, Pennsylvania, is defined by its distinctive landscape where the Allegheny, Monongahela, and Ohio Rivers converge in Pittsburgh, the county seat. This area, known for its many bridges, offers a mix of urban amenities and natural beauty. Towns like Mount Lebanon Township and Franklin Park are noted for their quality of life. The county boasts an extensive park system, with over 12,000 acres across nine regional parks, providing opportunities for hiking, biking, and various year-round activities. Commuting throughout the county is facilitated by the Port Authority of Allegheny County's bus and light rail system.
Life in Allegheny County offers access to highly rated public schools, including districts like North Allegheny and Mt. Lebanon. The economy has diversified from its industrial past, with significant activity in education, healthcare, technology, and manufacturing. Recent economic developments include investments in advanced manufacturing and energy storage, alongside initiatives to strengthen local business districts. The county continues to attract residents seeking a blend of urban accessibility and outdoor recreation.
Below national median
Below national median
Moderate climate & terrain
Housing looks undervalued at 2.3x — home prices are low relative to local economic output. The typical U.S. county is 4–6x.
Source: Redfin · Census BPS — Browse sales on Redfin →
| PROJECT | AMOUNT | STATUS |
|---|---|---|
|
Allegheny Energy Center Natural Gas Power Plant
Invenergy
|
$639M | Proposed |
|
Hyperscale Data Center (Springdale)
Allegheny DC Property Co. (Davidson Kempner)
|
$500M | Planned |
|
Eos Energy Battery Manufacturing Expansion & HQ Relocation
Eos Energy Enterprises
|
$353M | Under Construction |
|
2025 Capital Budget - Infrastructure & Capital Improvement Projects
Allegheny County
|
$131M | Under Construction |
|
Allegheny Ridge Wind Repowering
Leeward Renewable Energy (LRE)
|
$80M | Under Construction |
Source: public records, news, corporate announcements. Amounts are estimates where noted.
Bars show percentile rank among all 996 counties.
Allegheny County has a Boom Town Index score of 45/100, ranking #552 among 996 U.S. counties. With job growth at +1.1% and a median household income of $72,537, it faces some economic headwinds compared to faster-growing counties.
The median home value in Allegheny County is $200,200 with median rent at $1,050/month. The income-to-home-value ratio is 0.3623, which is more affordable than the national average.
Population growth: -0.1% year-over-year. Job growth: +1.1%. Home values changed +0.7% in the past 12 months.