Housing quality and health outcomes in the United States are inextricably linked. Research has identified a correlation between substandard housing conditions including poor ventilation, lead exposure, and structural hazards, to damaging effects like respiratory illness, injuries, mental health disorders, and chronic diseases.
Public health organizations such as the World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC) acknowledge housing as a key social determinant of health. The environmental stress framework suggests that substandard housing functions as a chronic stressor, influencing psychological and physiological responses over time. This framework helps explain how seemingly "invisible" stressors tied to housing—such as lack of privacy or exposure to noise—can yield long-term health effects. The COVID-19 pandemic further exposed housing-related health disparities. Overcrowded conditions contributed to higher infection rates and worsened housing instability.Climate change is also increasing housing-related health risks. Rising temperatures and poor insulation contribute to heat-related illnesses, while extreme weather events such as flooding exacerbate mold-related respiratory conditions. Low-income communities are particularly vulnerable due to limited access to climate-resilient housing and infrastructure.
Federal and State initiatives, such as Housing Choice Voucher Program (Section 8) and Low-Income Home Energy Assistance Program (LIHEAP) aim to address inadequate housing conditions. Despite these programs, disparities in housing quality persist across regions and demographic groups.
Background
According to the World Health Organization,Health principles of housing, World Health Organization, Geneva (1990). Retrieved October 28, 2011 from http://whqlibdoc.who.int/publications/1989/9241561270_eng.pdf housing should provide:
protection against communicable diseases protection against injury, poisoning, and chronic diseases and reduce psychological and social stresses to a minimum In addition to these standards, public health researchers identify three main pillars to healthy housing systems: affordability, security and suitability. These pillars influence both the conditions of home environments and the distribution of housing quality across populations. Affordability refers to the cost of housing in relation to household income, which affects access to safe and adequate living conditions. Security relates to housing stability and protection from involuntary eviction or relocation. Suitability focuses on whether a residence meets the physical, spatial, and functional needs of its occupants.
If one of the three pillars is compromised, health disparities tend to widen across populations. The impact extends beyond the physical structure of the home. When housing is unaffordable, households may face financial strain that limits spending on food, medical care, or utilities, which contributes to chronic stress and poorer health. Lack of security, including frequent moves or the risk of eviction, disrupts stability and can worsen both mental and physical health. Housing that is unsuitable, such as homes with structural hazards, overcrowding, or inadequate ventilation, exposes residents to environmental risks linked to respiratory illnesses, injuries, and other chronic conditions. Public health frameworks emphasize that affordable, secure, and suitable housing collectively form the basis of healthy living conditions, and when any pillar is missing, health outcomes are affected.
The United States Department of Housing and Urban Development (HUD) 2007 American Housing Survey determined that 6 million households live with moderate or severe physical housing problems. Homes that are lacking toilets, have faulty or unreliable heating systems, or have exposed electrical wiring do not protect inhabitants from disease and injury and can cause serious psychological stress are categorized as being "severe" housing problems. "Moderate" housing problems are things such as having unvented gas, oil, or kerosene as the primary heating source, or lacking a kitchen sink. The lack of commonplace appliances like a furnace or sink can expose inhabitants to diseases and injury.
The U.S. Census Bureau gathers data on several factors related to the housing: plumbing, heating, hallways, upkeep, electric service and kitchen equipment.Routledge. U.S. Department of Housing and Urban Development, American Housing Survey (2007). Retrieved from U.S. Department of Housing and Urban Development: http://www.huduser.org/DATASETS/ahs/ahsdata07.html As many as 24 million households have lead-based paint hazards. Maintenance and upkeep of public and low-income housing remains a major issue, leading to chronic problems of water infiltration, pest infestation and unsafe physical conditions. The disproportionate burden of these problems falls to children, the elderly and those with chronic illnesses, and minorities.
Neighborhoods
Housing quality is also an indicator of neighborhood conditions. Neighborhoods that are seen as bad or deteriorating are often characterized by the conditions of the housing in that neighborhood. Poor neighborhood conditions can be defined as having abandoned buildings, vacant lots, no access to quality schools, and high levels of poverty. These neighborhood dynamics can contribute to a person's psychological and social stress. For example, individuals residing in neighborhoods with poor conditions face an increased risk of adverse mental health outcomes, including psychological distress, anxiety, depression, substance use, and suicide. A tool that further identifies the relationship between health disparities and their built environment is the use of Geographic information systems. This spatial analysis tool is used to map these neighborhood-level risks, allowing them to visualize patterns such as clusters of substandard housing, environmental hazards, and resource disparities. Geographic information system data helps identify which neighborhoods face the greatest exposure to harmful conditions, guiding targeted public health and housing interventions.
In addition to physical and environmental factors, housing quality within neighborhoods is also influenced by how problems are identified and addressed by local enforcement systems. In many cities, housing inspections are primarily initiated by tenants complaining, which can result in uneven identification of housing hazards across neighborhoods. Residents in low-income or marginalized communities may be less likely to report housing violations due to limited awareness of their rights or fear of retaliation, allowing some hazards to remain for longer periods.
In low-income neighborhoods crime and noxious noise and odors can force individuals to isolate in substandard homes, which often characterize low-income neighborhoods. The combination of avoiding outside activity and isolating in dangerous living spaces leads to negative health outcomes such as obesity, lead poisoning, and asthma.Bashir, S. A. (2002). Home is where the harm is: Inadequate housing as a public health crisis. American Journal of Public Health, 92 (5), 733-738.
Migrant and refugee populations in the United States often face significant housing challenges that contribute to poor health outcomes. Many are placed in overcrowded or substandard units, often due to limited income, language barriers, or discriminatory housing practices. Migrants, especially those with undocumented status, may avoid seeking assistance for fear of deportation, leading to chronic exposure to unsafe conditions. Refugees resettled through federal programs may initially receive temporary housing assistance, but this support is time-limited, and many struggle to transition to long-term stable housing.
Studies have shown that these populations experience higher rates of respiratory illness, mental health disorders, and injury related to their living conditions. Children in migrant households are especially vulnerable to poor housing quality, with evidence linking housing instability to developmental delays and school absenteeism. Addressing these disparities requires culturally competent housing policy that acknowledges the unique needs of displaced populations.
History Housing quality has greatly improved since the beginning of the 20th century. Today close to 6 million American live in severe or moderate housing conditions. The majority of those living in these extreme housing conditions are minorities and renters. Historic patterns of disinvestment and housing policy decisions have contributed to disparities in housing quality across U.S. neighborhoods. Historical patterns in federal housing policy contributed to the expansion of suburban development, while many inner-city areas, often home to predominantly minority populations, experienced lower levels of investment and support for housing infrastructure, leading to increased housing insecurity.Mallach, A., Facing the urban challenge: The federal government and America's older distressed cities, The Brookings Institution, Washington, D.C. (2010).
After World War II, the Federal Housing Administration (FHA) played a major part in influencing those with the means to leave the inner city for the suburbs. According to Schwartz, the FHA gave preferential treatment to insuring mortgages in the suburbs rather than the inner city. Inner-city neighborhoods, particularly those with predominantly Black populations, faced disinvestment and reduced mortgage access. These patterns contributed to housing insecurity and neighborhood decline in many urban areas.
The COVID-19 pandemic significantly affected housing stability and public health in the United States. During the early stages of the pandemic, federal and state-level eviction moratoriums temporarily reduced housing displacement. Once these protections expired, eviction rates surged past pre-pandemic levels in many cities. Housing conditions also influenced the spread and severity of COVID-19. Research has shown that overcrowded living spaces and inadequate ventilation increased transmission risks. Households experiencing housing instability were also more likely to face challenges in accessing healthcare, social distancing, and maintaining mental well-being during lock downs. In response, government programs such as the Emergency Rental Assistance (ERA) program were introduced to provide temporary financial relief to tenants. The long-term impact of the pandemic on housing security remains a concern, particularly for low-income and minority communities disproportionately affected by housing instability.
Statistics Poor housing conditions are often influenced by race and geography. Marginalized groups such as Black and Hispanic individuals are more likely to experience substandard housing compared to their White counterparts. Additionally, poor housing conditions are disproportionately prevalent in inner cities and rural areas, rather than in suburban regions. Inner-city minorities tend to have poorer health outcomes compared to suburban Whites. Black homeowners are more likely than Hispanic and white homeowners to experience severe and moderate housing problems; 2.1% of all homeowners have moderate housing quality problems; 5.9% of Black homeowners and 3.8% of Hispanic homeowners experience moderate housing quality problems.
Black renters are more likely than Hispanics and whites to experience severe and moderate housing conditions. 6.9% of all renters have moderate housing quality problems; 7.9% of Black renters and 7.1% of Hispanic renters. 3.1% of all renters have severe housing problems; 4.2% of Black renters and 3.4% of Hispanic renters.