The pattern is easier to see when you follow it across time:

Restrict where Black people can live.
Concentrate Black property and institutions.
Clear or divide those neighborhoods.
Then let the value of the surrounding land compound for whoever remains an owner.

Seneca Village showed the wealth mechanism early #1553085

By 1855, Seneca Village had about 225 residents, 52 homes, three churches and a school. More than half of its Black households owned land—an extraordinary rate for the period. Land also meant political power because New York required Black men to meet a property threshold to vote.

New York used eminent domain to acquire the village for Central Park.

The owners received compensation.

Their ownership ended.

That is the part that matters.

Property owners who remained around Central Park benefited as surrounding land became more valuable. Modern research finds roughly 70% greater wealth gains among owners positioned on the side of the park that experienced stronger early development.

Seneca Village shows the basic wealth problem:

A check can compensate for today’s property value. It cannot preserve the right to remain an owner while the land becomes more valuable.

Then segregation concentrated Black America

Restrictive covenants, discriminatory lending, zoning, realtor practices, public-housing policy and private discrimination narrowed where Black families could live and buy property.

That concentrated more than people.

It concentrated homes, businesses, churches, political organizations and wealth into identifiable Black neighborhoods.

Then government began clearing them.

Urban renewal and highways scaled the destruction

The Housing Act of 1949 expanded federally supported urban renewal.

From 1949 to 1973, urban renewal displaced roughly 1 million people. Historical estimates put the Black share at about two-thirds.

Then the 1956 interstate program added another layer. Governments used eminent domain to drive highways through many neighborhoods already shaped by segregation.

The results were enormous:

Detroit: about 43,000 people displaced, 70% Black; I-375 also displaced roughly 300 Black-owned businesses.

Durham: more than 4,000 families and about 500 businesses displaced from Hayti.

Miami: I-95 cut through Overtown; the neighborhood lost roughly 40% of its population.

Syracuse: I-81 displaced more than 1,300 families from the 15th Ward, where nearly 90% of the city’s Black population lived.

Modern research finds that interstate construction itself increased racial segregation, especially in cities with larger Black populations.

So the sequence became:

Segregation concentrated Black families.
Urban renewal cleared many Black neighborhoods.
Highways divided many that remained.
Displaced families reentered housing markets still shaped by segregation.
New investment raised land values for the owners left in position to capture them.

This is why the wealth loss was bigger than the house

Property lets a family hold, rent, improve, borrow against, develop, inherit and capture appreciation.

A neighborhood adds businesses, customers, churches, childcare, political organizations and relationships built over generations.

That is why “fair market value” never tells the whole story.

Government can pay for a parcel and still destroy an ownership position.

And that history reaches directly into today

Civil-rights policy eventually created tools aimed at the geography this history produced.

AFFH pressured jurisdictions to address residential segregation.

Disparate-impact enforcement examined policies whose effects fell disproportionately on protected groups even when their language was race-neutral.

The Trump/MAGA policy agenda is pulling both back.

HUD ended the Biden-era Affirmatively Furthering Fair Housing rule and returned greater authority over housing and zoning to state and local governments.

Trump also directed federal agencies to deprioritize disparate-impact enforcement and begin dismantling regulations built around it.

That matters because many policies that shaped segregation were also written without explicitly mentioning race:

a highway route
a redevelopment boundary
a zoning rule
a lending standard
a definition of “blight”

The racial effect came from where the policy landed and who had already been concentrated there.

The takeaway

The urban Black ghetto was built through a chain of policies that reinforced one another:

Segregation concentrated Black people and wealth.
Urban renewal and eminent domain disrupted that wealth.
Highways physically reinforced the segregation.
Restricted housing markets limited where displaced families could rebuild.

Seneca Village shows the mechanism early.

The twentieth century scaled it across American cities.

And today, MAGA policy is weakening federal tools created to confront the geography that history left behind.

The enduring wealth question is simple:

Who gets to remain an owner long enough for the value of a place to compound?