Pennsylvania

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Pennsylvania Population News Articles

Population Density

Historic & Projected Growth

Population by County

POPULATION DENSITY

People per square mile, 2010:   274.0

People per square mile, 2020:  290.6

HISTORIC & PROJECTED GROWTH 1790 TO 2040

Sources: Census figures from U.S. Bureau of the Census & *Estimates from Weldon Cooper Center, Demographics Research Group
(The Census Bureau and Weldon Cooper Center have not yet provided updated State projections to reflect 2020 census numbers.)

Population by County

SOURCE: U.S. Bureau of the Census

Population News Articles

Pennsylvania to See Increase in Extreme Weather Events – November 17, 2023

Pa. leads the nation for Lyme disease cases. Development in forests boosts the risk – November 13, 2023

HOW LAWN CARE IS CAUSING EXTREME AIR POLLUTION IN PA. – November 8, 2023

At Shippensburg University, Latino community members talk about climate change challenges, possible solutions – November 2, 2023

“Forever chemicals” in Pennsylvania fracking wells could impact health of surrounding communities: Report – October 25. 2023

Center for Rural Pennsylvania releases Pa. population projections through 2050 – October 16, 2023

Report: Central PA is eighth most polluted area in United States – July 3, 2023

FirstEnergy Developing Pollinator Habitat Along Pennsylvania Transmission Line – July 13, 2023

Penn State study aims to help Pa. dairy farmers cut methane — and show carbon offsets are real – July 19, 2023

Pittsburgh-area hospitals tackling climate emissions, pollution and waste – July 25, 2023

Air quality is better, but lung association still gives Bucks an “F” – July 20, 2023

Pennsylvania now has limits on forever chemicals, ahead of federal standards – January 17, 2023

As Pennsylvania loses more residents, central PA tips the scale in the other direction – January 11, 2023

Gas company pleads no contest in Pennsylvania fracking pollution case, but fracking allowed to resume – January 11, 2023

Slippy slopes: Pittsburgh, built on slide-prone riverbanks, could face a deluge of impacts from climate change – January 5, 2023

Pa. 5th most populous state in 2022 despite population decline: Census Bureau – December 22, 2022

With millions in federal funding, PennDOT charges ahead on EV infrastructure development in Pa. – July 28, 2022

What to know about Pa. DEP’s newest plan to reduce pollution to the Chesapeake Bay – July 26, 2022

Report: Pennsylvania has a housing deficit of 98,000 units, rent-burdened population – July 15, 2022

Endangered Species in Pennsylvania, according to the Pennsylvania Game Commission – July 15, 2022

Climate change could make prescribed fires in Pennsylvania more challenging – July 10, 2022

Pa.’s most traveled ‘structurally deficient’ bridge? Report reveals answer, where Keystone State ranks in bridges needing repair – March 28, 2022

Tick and mosquito threat expected to be high in Pa. this spring – March 23, 2022

Fastest growing cities in Pennsylvania – March 8, 2022

This Pa. city is named the top ‘Allergy Capital’ of the U.S. for 2022 – March 3, 2022

Gov. Wolf Announces $17.4 Million to Improve Local Water Quality for Chesapeake Bay Watershed – December 16, 2021

Pa. releases final rule to cut methane leaks from existing oil and gas well sites – December 10, 2021

Fastest-growing counties in Pennsylvania – December 6, 2021

Proposed School to Be Steps Away from Dangerous Pipelines – December 6, 2021

Climate change: an energy imbalance we are already feeling the effects of in Pennsylvania | Climate Smart Part 3 – November 30, 2021

Quarry planned in Bradford County, Pa.: Why are some residents pushing back? – September 29, 2021

Airport Corridor census data shows growth for local communities as business moves in – September 24, 2021

Wet, hot and hazy: How climate change helped shape summer 2021 in the Poconos – September 23, 2021

Exhibition traces a 200-year history of water pollution in Philadelphia – September 11, 2021

Single-use plastics ban cleared for Pa. cities as Pittsburgh moves to eliminate plastic bags – July 1, 2021

Pennsylvania beekeepers lost about 41% of their colonies last winter, report says – July 13, 2021

A thousand little cuts: Locals say a fire on Neville Island shows the pollution didn’t stop after Shenango Coke Works closed – June 23, 2021

Early warning issued for 269 bird species in trouble, many in Pa. – June 22, 2021

Poll shows Pennsylvanians support climate action amid pandemic – June 22, 2021

Increasing rain, aging infrastructure lead growing number of municipalities to adopt stormwater fees – April 2, 2021

Farmland acreage falls in Pa. while population rises in prime agricultural areas – March 29, 2021

Evidence of Fracking Chemicals Found in Bodies of Pennsylvania Children – March 23, 2021

Microplastics found in waterways across PA, including 7 in Allegheny County. Why it’s dangerous and what you should know. – March 10, 2021

Fracking, Other Natural Gas Activity Linked to Hospitalizations for HF Patients – December 7, 2020

Federal EPA grants $4.8 million for Pennsylvania water pollution control – December 2, 2020

Average winter temperatures have warmed by 4.8 degrees in Philly since 1970, says new research – November 28, 2020

Pa. bill heading to governor would relax environmental laws for conventional drillers – November 20, 2020

Cost-Share Bill Could Benefit PA Farmers, Water Quality – October 14, 2020

Climate change could shift Pennsylvania’s wildfire season – October 13, 2020

Gov. Wolf Vetoes Bill that Ignores Dangers of Climate Change – September 24, 2020

Poll shows strong support for RGGI cap-and-trade program – September 17, 2020

DEP: County ‘special focus’ of RGGI plan – August 15, 2020

Report: PA Losing Ground in Clean-Water Efforts – August 17, 2020

What happened to our butterflies this summer? – August 14, 2020

Sunny days bring uptick in air pollution to Southwestern Pa. – August 11, 2020

Pa.’s GOP-led legislature isn’t acting on climate change — even as scientists say the clock is ticking – August 6, 2020

Hearings set on shale gas drilling air pollution regulations – June 3, 2020

Where does Pennsylvania rank in farmland loss, protection? – June 4, 2020

Air pollution from fracking killed an estimated 20 people in Pennsylvania from 2010-2017: Study – June 5, 2020

After 18 years, Pa. science education standards could get rewrite – June 14, 2020

Pa. leads nation in premature deaths due to air pollution, study finds – February 13, 2020

Lancaster has lowest air quality in PA – February 6, 2020

These Pennsylvania farmers say they do try to stem Chesapeake Bay pollution — and that it’s – February 6, 2020

Slate Belt poised to become the Lehigh Valley’s new hot spot for growth – February 1, 2020

What does the future of farming in Pennsylvania look like? Who and where are the big questions – January 30, 2020

RESEARCHER WEIGHS IN ON HOW PENNSYLVANIA WILL FARE IN A WARMING CLIMATE – October 31, 2019

Report Shows Climate Change Impact on PA Businesses – October 24, 2019

There are concerning carcinogens in Western Pennsylvania water – October 23, 2019

FORTY PERCENT OF PENNSYLVANIA BIRD SPECIES ARE VULNERABLE TO CLIMATE CHANGE – October 11, 2019

Penn State students, citizen scientists take snapshot of Shaver’s Creek – October 11, 2019

Pipeline Permit Scandal Highlights Confusion Amid Push to Build Plastics Plants – Aug 30, 2019

What We Know (So Far) About the Future of the PES Refinery – Aug 30, 2019

Maryland prods Pennsylvania to do more to reach Chesapeake Bay clean-water goals – Aug 29, 2019

US Steel sued over Superfund law violations – Aug 27, 2019

New program to safeguard wildlife and public health – Aug 19, 2019

Raw sewage was discharged into Harrisburg waterways on 150 days last year – July 22, 2019

Deadly Heat Waves In Store For Pennsylvania Unless Climate Action Is Taken, Report Says – July 22, 2019

Pa. Senate passes bills to change emissions testing in Westmoreland, statewide – June 26, 2019

Environmentalists critical of natural-gas storage hub in Southwest Pa. regional plan – June 26, 2019

Poll finds most Pennsylvanians think climate change is major public health risk – May 15, 2019

Clairton, PA, wants to be clear: Residents demand accountability from U.S. Steel – May 13, 2019

There are a lot more Lyme disease-carrying ticks in Pa. today, Penn State study finds – May 8, 2019

Pittsburgh’s Air Quality Among The Nation’s Worst – April 24, 2019

More than 80 percent of waste from Pennsylvania’s oil and gas drilling stays in the state: Report – April 23, 2019

One Pennsylvania Town Shows How to Properly ‘Zone’ Fracking – February 24, 2019

DEP unveils plan to increase electric vehicle use in Pennsylvania – February 13, 2019

Judges Say PA Unlawfully Issued Air-Quality Permits To Sunoco At Marcus Hook – January 11, 2019

Pa. environmental board slams Sunoco air-quality permit – January 10, 2019

‘The air and the water are not being protected’: Work in Philly’s EPA office stalls during government shutdown – January 10, 2019

Grant Announced for Port Carbon Flood Plain Restoration Project – January 10, 2019

Residents near Pittsburgh issued air warning because of pollution from US Steel plant – January 9, 2019

Wolf calls for carbon pollution cuts in PA – January 8, 2019

Report: Poor water quality continues to impact Chesapeake Bay – January 7, 2019