Arizona

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Arizona Population News Articles

Population Density

Historic & Projected Growth

Population by County

POPULATION DENSITY

People per square mile, 2010: 56.3

People per square mile, 2020: 62.9

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

Arizona Population News Articles

Migrant crossings fall sharply along Texas border, shifting to Arizona and California – Feb 8, 2024

Cattle are a part of Arizona’s history. Climate change, overgrazing concerns cloud their future – Feb 6, 2024

City of Mesa tests rainwater, reveal concerning finds – Jan 27, 2024

CAN WE SAVE THESE 7 ARIZONA ANIMALS ON THE VERGE OF EXTINCTION? – Jan 22, 2024

4 Arizona Cities are Some of the Fastest-Growing Cities in the U.S. – Jan 19, 2024

New study suggests increase in wildfires is undoing air quality improvements in the West; Arizona experts weigh in – Jan 13, 2024

Thousands of migrants enter US via Arizona’s open floodgates – August 25, 2023

Arizona continues to attract new residents despite the heat – August 10, 2023

Taking Action on Climate Change in Arizona – August 4, 2023

PHOENIX ENDURES HISTORIC HEATWAVE, STUDY SAYS BLACKOUT WOULD BE CATASTROPHIC – August 2, 2023

Phoenix’s Rapid Growth Magnified Its Vulnerability to Heat – July 28, 2023

How Arizona’s Carbon Emissions Compare to Other States – July 26, 2023

Jaguars, leopard frogs, condors: Here are some of Arizona’s most imperiled species – Mar 6, 2023

Expert: Arizona among southwest states in worst drought in 1,200 years – Feb 24, 2023

Poll shows Arizonans support land and water conservation – Feb 23, 2023

This Arizona Town Is The State’s Worst Place To Live With Asthma – Feb 15, 2023

Arizona water officials worry about future access to Colorado River – September 13, 2022

Here’s why Arizona can expect more heat, more drought, more wildfires – September 13, 2022

Arizona’s forests are in bad shape – September 9, 2022

The health of honeybee colonies in Arizona – September 4, 2022

The population at an Arizona homeless encampment swells but resources fall short – August 26, 2022

Which Arizona creeks, lakes, rivers have the most contaminants? – May 31, 2022

5 Arizona cities among fastest growing in nation, according to census data – May 31, 2022

Baby bump: Births in Arizona increase for the first time in seven years – May 31, 2022

What’s Happening with the Arizona Water Shortage Crisis – May 24, 2022

New Report Ranks Phoenix 5th Worst Air For Pollution In U.S. As Waffle Forest Plans Tech Forest To Improve Air Quality – May 17, 2022

Drought Exposes ‘Canary in This Coal Mine’ of PFAS in Well Water – January 31, 2022

Global warming will cause massive declines in tree growth – January 27, 2022

Arizona’s rural areas, primary-care needs hit hardest by doctor shortage – January 21, 2022

With less water on the surface, how long can Arizona rely on what’s underground? – January 4, 2022

People In Arizona Are About To Face The West’s First Major Water Crisis – October 27, 2021

Air quality remains poor in Phoenix, where pollution outlasted the pandemic shutdown – October 16, 2021

Phoenix, other cities keep growing as climate danger rises – October 7, 2021

Water Contamination with Pesticides Goes Unmonitored as Problem Escalates – October 7, 2021

Diesel to electric: Local officials push for funds to change school buses – October 6, 2021

Census data shows Arizona’s population is bigger, more diverse – August 13, 2021

2020 census: Phoenix grows more than any other major city; Buckeye, Goodyear among fastest growing – August 13, 2021

What the deepening water shortage means for Arizona homeowners – August 13, 2021

Study: Climate change driving record heat – August 6, 2021

Study: Stark picture for Arizona water supply, Tucson could be oasis in desert – July 25, 2021

Population Growth and the Diminishing Natural State of Arizona – April 28, 2021

2 Arizona highways rank among the ‘most dangerous’ in US – April 26, 2021

Cutbacks in water for central AZ farmers expected – April 26, 2021

2020 was officially the 2nd driest and 2nd hottest year ever recorded in Arizona – January 29, 2021

New Study: Population Growth is Damaging Arizona’s Environment – January 26, 2021

NASA: Global warming could mean more extreme droughts, increased forest fires in Arizona – January 22, 2021

Hundreds of thousands of songbirds dead in Arizona, Southwest due to climate change issues – January 6, 2021

Arizona continues torrid population growth fueled by migration from other states – December 29, 2020

Arizona regulators give OK to requiring more energy efficiency from utilities – October 14, 2020

Arizona voters want more federal action on environment, ASU poll says – November 2, 2020

Scottsdale is Beating the Heat by Going Green. – October 28, 2020

Arizona will have more ‘extreme heat’ days in future, researchers say – October 18, 2020

Tucson leaders to consider ‘Climate Emergency’ declaration – Sept 7, 2020

Arizona endorses a company’s plan to sell Colorado River water to Queen Creek – Sept 5, 2020

For Some Trees, Climate Change Could Worsen Recovery After Fires – Sept 1, 2020

Phoenix will feel the heat at extreme levels more often in the coming years, study says – Aug 21, 2020

Arizona remains a hot spot for new residents — even amid time of novel coronavirus – Aug 19, 2020

Good roads, bad drivers: Arizona interstates deadliest in nation, report says – July 14, 2020

Arizona partnership a model for sustainable solutions – July 4, 2020

Climate Crisis: Historic Arizona Wildfires May Worsen COVID-19 – June 30, 2020

Two Arizona tribes, advocacy group join suits over EPA’s clean-water rule rollback – June 23, 2020

Arizona housing growth tees up opportunity for water investors – June 22, 2020

Tool shows what many know: Arizona communities at high risk for wildfire – May 15, 2020

Road Runner: Want better streets? Make sure you are counted in census, transportation officials say – May 11, 2020

Disappearing farmlands: Creative preservation measures in Arizona – April 30, 2020

As Arizonans battle respiratory pandemic, Phoenix air quality earns poor marks – April 23, 2020

Facing water cutbacks, Arizona farmers ‘in limbo’ despite $10 million federal pledge – April 24, 2020

For decades, groundwater beneath Arizona’s big cities has been spared. That’s about to change – December 5, 2019

No Cars Allowed in New Arizona Neighborhood – November 23, 2019

Arizona’s growing population, lack of medical students worsens doctor shortage – November 13, 2019

Arizona’s water supplies are drying up. How will its farmers survive? – November 12, 2019

‘Climate 2020’ focuses on solutions for Arizona as planet heats up – November 11, 2019

As Water Sources Dry Up, Arizona Farmers Feel the Heat of Climate Change – October 6, 2019

Arizona is the fastest growing state in the nation – September 26, 2019

For 2019, the 10 worst cities for air quality are in California and Arizona – September 24, 2019

Phoenix Residents Will Need To Adapt To An Even Hotter Climate – September 18, 2019

Dwindling groundwater, ever-deeper wells could spell trouble for Arizonans – August 2, 2019

Fire and Rain: Together, Monsoons and Wildfires Can Ruin Arizona’s Water Supply – August 1, 2019

This city is the biggest ‘boomtown’ in Arizona, according to study – July 25, 2019

In the Southwest, Monsoons Are Becoming More Intense and Frequent, Study Finds – July 24, 2019

Environmental groups sue to block oil/gas leases near Petrified Forest in Arizona – July 16, 2019

Don’t Get Lulled By Wet Winter, Arizona Meteorologists Warn – June 4, 2019

Two Arizona cities are the fastest growing in the United States – May 24, 2019

Arizona’s alarming doctor shortage and what we’re doing to fix it – May 20, 2019

As temperatures rise in Tucson, so do concerns over health risks linked to higher ozone levels – May 18, 2019

An Arizona First: Sedona Unveils Sustainable Tourism Plan – May 8, 2019

Environmentalists Plan to Sue EPA for Missing 51 Clean-Air Deadlines in Arizona – March 8, 2019

Banking on Drought: Private Companies See Profits in Southwest Water Shortages – February 28, 2019

One family makes sense of losing its Colorado River water – February 21, 2019

Arizona Lawmaker Proposes Taxes on Alternative Fuel Vehicles – January 30, 2019

Arizona Slow To Adopt Alternative Fuel Policies Despite Climate Change Effects, Population Growth – January 25, 2019

Can Phoenix Remain Habitable? – January 2, 2019

Arizona population growth rate nation’s 3rd fastest – January 1, 2019

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