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What are the causes of residential segregation? What are the effects of residential segregation?
Discriminatory public housing policy, housing unaffordability, and the failures of government agencies are the primary causes of residential segregation. Residential segregation has led to isolated black neighborhoods that have lower housing quality, high rates of poverty, and less access to good education.
Read on to learn more about the causes of residential segregation.
The 4 Primary Causes of Residential Segregation
Racial residential segregation is an enduring problem for three reasons in particular:
1) Housing Unaffordability
The Federal Housing Act, passed in 1968, enshrines in law African Americans’ freedom to live wherever they can afford to. But historical discrimination in labor and housing markets has created intergenerational wealth and income disadvantages for African Americans that prevent them from living in middle- and upper-class—that is, predominantly white—areas.
Making matters worse, the value of homes in predominantly white neighborhoods has appreciated considerably in the last 50 or so years while the values in African American neighborhoods haven’t. This development has a dual effect: It makes homes in white neighborhoods even more unattainable for African Americans and it entrenches the intergenerational wealth gap between Blacks and whites (because the homes white parents pass on to their heirs have appreciated significantly while those that Black families pass on haven’t).
Homes in and around the famous Levittown subdivision provide a stark example of these effects. In 1948, a one-bedroom in whites-only Levittown went for about $75,000 in today’s dollars. Today, that home—even without major remodels or updates—sells for about $350,000. A one-bedroom in nearby Lakeview, NY, a predominantly African American town, also went for $75,000 in 1948. Today, the Lakeview home is only worth $90,000–$120,000.
2) Unintended Consequences of Race-Blind Policy
Although many policies passed in the 20th century had no explicitly discriminatory purpose, the fact that segregation was already entrenched meant that these race-neutral policies exacerbated housing inequality. The most salient example is the mortgage interest deduction, the tax break given to homeowners. Because homeownership for many African Americans was unattainable—due to the de jure policies of the FHA and other agencies, among other bodies—they were largely excluded from this government subsidy.
3) Flawed Social Programs
Federal and local governments have enacted programs to help low-income families secure affordable housing. Unfortunately, these programs tend to redouble segregation rather than remedy it.
For example, the Housing Choice Voucher program (also known as “Section 8”), which provides families with financial support to rent apartments they couldn’t otherwise afford, offers amounts too meager for families to escape low-income areas. Landlords in better-off areas also frequently refuse to accept housing vouchers as payment.
4) The Failures of the IRS and Other Government Agencies
Many other federal agencies besides the FHA contributed to racial residential segregation. The IRS, the FDIC, and the Federal Reserve all, in one way or another, exacerbated it.
One of the central responsibilities of the IRS is determining the tax-exempt status of various US entities. Although its rules require the agency to withhold tax exemptions from organizations that countermand official public policy or promote prejudice and discrimination, the IRS regularly conferred tax-exempt status on entities that contributed to racial residential segregation. For example, tax-exempt religious entities like churches and synagogues regularly promoted segregationist policies like racial restrictive covenants.

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- How racial residential segregation is the result of explicit government policy
- The three reasons why racial segregation is so difficult to reverse
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