San Francisco County, CA
Property Data

San Francisco County: The City That Built the Future and Priced Out the Present

No place in America captures the paradox of modern prosperity quite like San Francisco. It is simultaneously one of the wealthiest urban counties in the United States and one of the most economically fractured — a place where a household earning $141,446 a year (nearly double the national median) might still struggle to own a home, and where the gap between a studio in the Tenderloin and a Victorian in Pacific Heights tells a story no single statistic can fully contain.

The headline number is blunt: the median home value sits at $1,380,500 — more than four times the California state average and nearly 4.3 times the national median. But what makes that figure genuinely striking is what it means for people who actually live and work here. At a price-to-income ratio of roughly 9.8x household income, San Francisco doesn't just exceed the national affordability benchmark of 4x — it nearly triples it.

Key Statistics

Stat	Value	Context
Median Home Value	$1,380,500	4.3x the national median of $320,000
Homeownership Rate	38.5%	vs. 55.5% California avg; among lowest in U.S. urban counties
Price-to-Income Ratio	9.8x	vs. ~4x national benchmark
Gini Index	0.518	Higher inequality than most U.S. major cities

The Renter City

With only 38.5% of households owning their home, San Francisco is fundamentally a city of renters — and that fact shapes everything from neighborhood politics to ballot measures to the physical character of the built environment. Only 18.2% of the housing stock consists of single-family homes; the city is dense, vertical, and old, with a median build year of 1946, reflecting a housing supply that has barely kept pace with a population that has grown dramatically since the first tech boom of the late 1990s.

The vacancy rate of 11.9% is, paradoxically, high for a city that claims a housing shortage — and it is one of the most debated numbers in local policy circles. A significant portion of that vacancy reflects short-term rentals, second homes, and units held off the market, not an abundance of available inventory.

For renters, the pressure is acute. The median rent of $2,419 a month contributes to a rent burden rate of 36.3% — above the 30% threshold that defines housing stress — and 17.6% of renters are severely cost-burdened, spending more than half their income on housing alone.

Inequality in a High-Income City

San Francisco's Gini index of 0.518 places it among the most unequal jurisdictions in the United States — a striking fact for a city that has long positioned itself as progressive. A per capita income of $90,285 coexists with a poverty rate of 10.6% and a SNAP enrollment of nearly 1 in 10 households. The child poverty rate of 8.0% — lower than the adult rate — hints at a city where families with children are increasingly rare; the under-18 population is just 13.7%, one of the lowest of any major American county.

The tech economy is the obvious culprit and the obvious explanation. High-wage knowledge workers have bid up housing costs for decades, while service-sector workers, artists, teachers, and long-term residents have been steadily pushed toward the periphery — or out of the Bay Area entirely. The work-from-home rate of 27.5% is among the highest of any county in the country, reflecting the post-pandemic reconfiguration of the tech workforce that has simultaneously emptied office towers downtown and sustained demand for residential space in desirable neighborhoods.

Transit, Walkability, and the Anti-Car City

San Francisco bucks national norms on transportation in ways that reveal its urban density. Just 28.6% of workers drive alone to work — compared to roughly 76% nationally — while 21.4% use public transit and a notable 10% walk. Car-free living is viable here in ways it simply isn't in most American cities, and the 20.6% of households with no vehicle reflects both that infrastructure and the economic reality that many residents can't afford to park one.

What Makes San Francisco County Unique?

San Francisco is arguably the only major U.S. city where the housing crisis, the tech economy, inequality, and progressive politics have been in open, visible conflict for decades. The city has passed more renter protections, more homeless levies, and more affordable housing mandates than almost any comparable jurisdiction — and yet remains among the least affordable places on earth to live. That contradiction is not a failure of data; it's the central fact of life here.

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FAQ: Why is San Francisco's homeownership rate so low? At 38.5%, SF's homeownership rate reflects both a structural shortage of for-sale housing (dominated by apartments and multi-unit buildings) and prices that put ownership out of reach for most income levels. Even households earning six figures face price-to-income ratios that make mortgage qualification difficult without substantial equity or family wealth.

FAQ: Are San Francisco home prices still rising after the post-pandemic dip? Yes — after a notable correction in 2022-2023 as remote work reduced demand for urban density, prices have resumed appreciation, with year-over-year gains of 5.3% in the most recent period. The market's floor, even at the 10th percentile, remains at $662,500 — meaning there is effectively no entry-level ownership market left in the county.