Billionaires and wealthy transplants keep pouring into Miami for its tax advantages and waterfront estates, but real estate experts warn that middle-class earners who follow them will find a housing market that shuts out roughly 80 to 85 percent of Americans.
Citadel CEO Ken Griffin paid $106.9 million for a waterfront mansion in Miami's Coconut Grove neighborhood, the first home in the city ever to sell above the $100 million mark. Amazon's Jeff Bezos and former Google CEO Eric Schmidt also call Florida home. And they are not alone. Fortune reported that Florida attracted more wealth from domestic movers than any other state in 2023, based on a Realtor.com analysis of IRS migration data.
The average newcomer to Florida that year earned $122,530 a year, nearly double the national average salary of $64,505. That gap tells the story: the people moving in are not ordinary wage earners. They are high-income professionals and, at the top of the pile, billionaires chasing zero state income tax and year-round sunshine.
For everyone else, the math does not work. Redfin pegs the average home purchase price in Miami at roughly $652,110, more than $253,000 above the national median of $398,771. A buyer at that price needs a household income between $160,000 and $215,000 just to cover the mortgage, according to an analysis by DSLD Mortgage. Census Bureau household income data shows that range is out of reach for 80 to 85 percent of American households.
Craig Studnicky, CEO of ISG World, a South Florida luxury real estate firm, told Fortune the influx has no modern parallel:
"You've got a wealth migration coming to South Florida that's unprecedented, and they're coming from all four corners of the United States."
Studnicky drew a direct line between that migration and the housing squeeze facing middle-income buyers:
"We barely have enough housing to meet the middle and upper-middle classes moving here, but you also have this wealth migration that's causing prices on the water to hit levels that are completely unpredictable."
Griffin's nine-figure purchase, in Studnicky's framing, marked "an explosive wave of wealth into the area." When a single home sale resets the ceiling past $100 million, the ripple effects run downward through every price tier, from waterfront condos to starter homes miles from the coast.
Not every expert agrees on the mechanism. Ryan McKeveny, managing director of equity research at Zelman, a Walker & Dunlop housing consultancy, expressed the view that the migration of billionaires to Miami has not meaningfully raised home prices for other buyers. Fortune did not publish a direct quote from McKeveny or detail his methodology, so the basis for that assessment remains unclear.
Even if trophy-property sales occupy their own stratosphere, the underlying problem is hard to dispute. Gay Cororaton, chief economist at the Miami Association of Realtors, cited the Realtor.com data showing that Florida's domestic newcomers earned an average of $122,530, almost twice the national average. Those earners compete for the same housing stock that a local teacher, firefighter, or office manager needs, and they arrive with far more purchasing power.
The result is a chronic shortage compounded by years of under-building and relentless demand across every income bracket. The national housing crunch has already pushed 25 million adults under 35 back into their parents' homes, and Miami sits at the sharp end of that crisis.
Consider the numbers side by side. The average American earns $64,505 a year. The average Miami home costs $652,110. To qualify for a mortgage at that price, a household needs at least $160,000 in annual income, and possibly as much as $215,000, depending on the down payment and interest rate. That minimum is roughly two and a half times the national average salary.
The national median home price of $398,771 is itself a stretch for many families. But Miami's average sits 64 percent above that figure. A market that was once pitched as an affordable alternative to New York or San Francisco now prices out the very workers who keep a city running.
Across the country, several major metro housing markets have posted falling prices as buyer fatigue spreads. Miami has not joined that list. Demand from high-income movers keeps the floor elevated.
The affordability squeeze is not limited to coastal Florida. A tiny New Jersey home recently listed at $499,000, illustrating how distorted pricing has become in markets up and down the Eastern Seaboard.
Florida's lack of a state income tax is the single biggest magnet for wealthy transplants. For a billionaire like Griffin, that tax savings alone can dwarf the cost of even a $106.9 million mansion over a few years. For a middle-class family earning $65,000, the savings are modest, and they vanish the moment that family confronts a mortgage payment built on a $652,000 purchase price.
The tax benefit, in other words, scales with income. The richer you are, the more you save. The less you earn, the less the move pencils out, especially when housing costs eat the difference and then some.
Meanwhile, foreclosure filings have surged 21 percent nationally as financial strain spreads across American housing markets. Families who stretched to buy at peak prices are now feeling the pressure, and markets like Miami, where entry costs are highest, leave the least room for error.
Some buyers priced out of hot coastal markets have started looking elsewhere entirely. Erie, Pennsylvania, has emerged as one of America's hottest housing markets as families flee the prices that cities like Miami now demand.
Fortune's reporting noted in its subheadline that experts recommend middle-class earners consider renting rather than buying in Miami. The full scope of that recommendation was not detailed in the article, but the math makes the logic plain: when 80 to 85 percent of American households cannot afford the income needed for a typical Miami mortgage, ownership is not a realistic goal for most newcomers.
That advice amounts to an admission. The city that markets itself as a land of opportunity, sunshine, low taxes, booming growth, is telling ordinary Americans they can visit but probably cannot own a piece of it.
Years of under-building, a flood of high-income transplants, and trophy purchases that reset price expectations upward have combined to create a market that works brilliantly for the wealthy and punishes everyone below them. The shortage is not a mystery. It is the predictable result of demand outrunning supply while policymakers failed to build enough homes for the people already there, let alone the wave arriving every year.
When a billionaire's mansion purchase makes national news and a working family's mortgage application gets rejected in the same city, the tax-free paradise starts to look like a gated community, one where the gate is the price of admission, and most Americans do not have the key.