FINDING THE NEXT GROWING STATE IN THE US with data mapping

Data analysis of the growing Sunbelt cities in the United States
Project Overview
TYPE: Research Effort at SOM for Internal Annual Leadership Meeting
FIELDS: Data Visualization, Projected Population,
Sunbelt Cities, City Data Mapping
TIME: Fall 2022
TOOLS: python, Plotly.Express, QGIS
Introduction
The COVID-19 pandemic has acted as a catalyst for significant shifts in migration patterns within the United States. The advent of remote work has prompted many individuals to reevaluate their preferred places of residence, as well as the locations of their employers. As the center of the U.S. population continues its westward and southern movement, it is evident that the Sun Belt region is currently witnessing the most pronounced growth.

This research endeavor seeks to employ a combination of quantitative and qualitative data to craft a geospatial narrative about the present state of the Sun Belt. This region is characterized by a surging population, a warming climate, and growing inequities. The tools utilized in this research include QGIS and Plotly.Express for Python, which enable the creation of both static and interactive maps to effectively convey this data-driven story.
To gain a comprehensive understanding of the burgeoning population in the Sun Belt and what it signifies for future urbanization and development trends in the United States, the study needs to address three key questions:

- Why are people and businesses relocating to the Sun Belt, and what factors encourage them to stay there?
- What environmental and social challenges are people currently facing in the Sun Belt, and what might they confront in the future?
- Which key cities in the Sun Belt region are poised for significant transformation due to this growth?

As depicted in the interactive map below, the United States has witnessed a pattern of concentrated growth over the past century, notably along the east and west coasts, the Rust Belt, and now the Sun Belt. Within each of these growth periods, specific cities in these regions have emerged as gravitational centers, fostering pivotal moments of innovation and transformation in the context of urbanization history.

With the projected and ongoing population growth in Sun Belt states, there is a growing concentration of development opportunities for urban designers and architects, primarily within these designated cities. Consequently, it is imperative to decipher the demographics and characteristics of potential clients in these evolving urban landscapes.
CHALLENGE
Population Growth
Sun Belt
Center of Gravity
The Sun Belt, spanning across the southern part of the United States from coast to coast, boasts a diverse range of geological characteristics, natural resources, and varying risks of natural disasters. Mapping out these natural resources reveals that Sun Belt states exhibit considerably higher solar energy potential compared to hydroelectric potential. This highlights the region's capacity for harnessing solar energy, which holds significant promise for energy conservation and a sustainable future.

Conversely, the Sun Belt is confronted with considerable challenges when it comes to natural disasters. It is particularly prone to wildfires and hurricanes, with coastal areas facing the imminent threat of sea-level rise. The impacts of climate change continue to disrupt everyday life and make natural disasters more unpredictable and severe. For instance, in the current year, several Sun Belt cities in California experienced significant flooding from December 2022 to March 2023, leading to power outages and substantial damage to 200,000 homes and businesses. Alarmingly, similar flooding events have been documented dating back to the 19th century.

In light of these challenges, it is imperative to raise awareness about climate change and prioritize sustainability in the realms of urbanization and real estate development. This becomes even more crucial as the Sun Belt region experiences rapid population growth. It is essential to make sustainability a central tenet of development in the face of climate change.
geological context
Climate Change
Natural Disasters
Solar Potential
Migration plays a pivotal role in the substantial population growth observed in the Sun Belt. Southern states have emerged as sought-after destinations for retirement living, with cities like Phoenix, Tampa, Riverside, and others topping the list of preferred retirement migration destinations. The region's mild climate, comparatively lower cost of living, and enhanced quality of life have given rise to numerous retirement communities, making the South an attractive choice for elderly individuals seeking to spend their retirement years.

In addition to retirees, millennials have also begun relocating to Sun Belt cities, particularly within the Texas Triangle, which encompasses Houston, Dallas, and Austin, ranking at the forefront of destinations for significant millennial migration gains. A key factor driving the younger crowd to these Sun Belt cities is the increasing availability of job opportunities. Certain Sun Belt states, such as Texas and Florida, have successfully attracted Fortune 500 companies to move their headquarters to the region due to favorable factors like low tax rates and other financial incentives.

Moreover, the pandemic, spanning from 2020 to 2022, rendered remote work a viable option. This prompted a substantial number of people, particularly those residing in expensive major cities, to reconsider a more affordable way of living. This shift resulted in a permanent exodus to Southern and mid-sized communities, with a notable focus on southern states like Florida.

It's important to note that the Sun Belt has historically been a home to immigrants, with several cities boasting immigrant populations exceeding 20% to 30%. Immigrant cultures continue to exert a profound influence on the character of Southern states, contributing to their vibrant and diverse fabric.
migration
Retirement
Millennials
Pandemic
Immigration
Much like the Sun Belt's climatic, energy, and typological diversity, its social landscape is equally multifaceted. The rapid expansion of Southern cities has brought growing pains that are keenly felt, especially when intertwined with recent political challenges related to women's rights, gun laws, immigration reform, and affordable housing. This confluence of factors has resulted in a significant sense of societal uncertainty.

One of the most pressing and complex issues facing the burgeoning community of Sun Belt cities is the escalating political polarization. This divide is vividly evident in the contrasting perspectives between urban and rural areas. Addressing this challenge is and will continue to be a daunting task. As illustrated above, the influx of people from various parts of the country and the world brings with it a diversity of ideas, political stances, and, inevitably, disagreements.

In summary, the Sun Belt's social landscape mirrors its diverse characteristics in various other domains. The region grapples with a multitude of social issues, including political polarization, as it grows and transforms in response to the myriad challenges and opportunities it faces.
social context
Women's Rights
Gun Laws
Immigration Reform
Affordable Housing
As we recognize the remarkable expansion of the Sun Belt, it becomes essential to pinpoint which cities are experiencing the most rapid growth and to comprehend the profound implications of this growth, particularly in terms of urban sprawl. Among the 50 largest metropolitan areas in the United States, we have identified the top three fastest-growing cities over the past decade, namely Charlotte, Austin, and Raleigh. To gain insight into the trajectory of these cities, we have charted their growth from 2001 to 2019, providing a basis for understanding the forthcoming development trends over the next two decades.

In addition to identifying the fastest-growing cities, we've created an interactive map projecting population trends from 2020 to 2040. Notably, Austin is expected to grow by 30%, Tampa by 35%, Nashville by 36%, and Charlotte by an astounding 48%. In contrast, cities where we already have a strong presence, like New York, anticipate a modest 4% growth, and Chicago lags significantly with just 0.1% growth. San Francisco and Los Angeles, considered part of the Sun Belt, are exceptions with anticipated growth rates of 21% and 12%, respectively. These figures underscore the dramatic population shifts happening in the U.S., which carry significant implications for urban landscapes and the economic, social, and cultural dynamics of these regions.

A burgeoning population is undoubtedly a promising element in the context of urbanization. However, the more pivotal challenge is to mold a burgeoning community by employing sustainable and equitable strategies, thus shaping a landscape of American cities that is both vibrant and inclusive. This endeavor seeks to create urban environments that foster growth, while concurrently ensuring they are accessible and just for all residents.
Growing cities
Urbanization
Sun Belt Cities
Population Projection
Back to HOME page