San Francisco in numbers — economics, housing, urban form, mobility, beside the national average.
San Francisco, CA, anchors the west with 815,201 residents on 46.9 square miles — 17,382 to the square mile. Its economy produces $654.7 billion — $131,000 per resident — led by technology, finance, biotech. The median home trades at $1,499,000. The built city reads as mixed vertical, a legacy of its mid-century growth growth.
Overview
| City Name |
San Francisco |
| State |
CA |
| Country |
United States |
| Region |
West |
| Area Km2 |
121.5 |
| Land Area Sq Miles |
46.9 |
| Population |
815,201 |
| Population Density Per Sqmi |
17,381.68 |
| Population Growth Rate 1 |
3.09 |
| Metropolitan Population |
4,570,000 |
Economics
|
City |
Natl avg |
| Gdp Billions 2 |
654.7 |
319.49 |
| Gdp Per Capita 3 |
131,000 |
69,842.03 |
| Unemployment Rate |
5.4 |
4.14 |
| Major Industries |
Technology, finance, biotech |
— |
| Average Income |
81,623 |
72,708.01 |
| Cost Living Index 4 |
171 |
110.36 |
| Housing Affordability Ratio 5 |
10.9 |
5.46 |
| Commercial Real Estate Cost |
100 |
31.32 |
| City Name |
San Francisco |
— |
Housing
|
City |
Natl avg |
| Median Home Price |
1,499,000 |
512,278.7 |
| Rental Affordability Index 6 |
10.21 |
6.15 |
| Housing Typology Diversity 7 |
0.85 |
0.76 |
| Housing Price Growth Rate 8 |
3.09 |
1.76 |
Urban Form
|
City |
Natl avg |
| Area Sqmi |
46.9 |
124.28 |
| Built Density 9 |
17,381.68 |
4,657.14 |
| Avg Building Height 10 |
39.6 |
182.56 |
| Land Use Mix Index 11 |
-3,311.72 |
-1,485.93 |
| Public Space Percentage |
0 |
0.1 |
| Street Connectivity Index 12 |
9.7 |
4.9 |
| Sprawl Index 13 |
1 |
1.84 |
| Historical Development Pattern |
Mid-Century Growth |
— |
| Building Age Distribution |
{"pre_1950": 3663, "1950_1979": 160, "1980_1999": 53, "2000_plus": 34} |
— |
| Urban Morphology Type |
Mixed Vertical |
— |
Mobility
|
City |
Natl avg |
| Public Transit Mode Share 14 |
45.8 |
21.36 |
| Walkability Score 15 |
97 |
49.04 |
| Cycling Infrastructure Miles |
86.3 |
44.83 |
| Avg Commute Time |
34.7 |
25.74 |
| Traffic Congestion Index 16 |
83.2 |
47.8 |
| Vehicle Ownership Rate |
49.2 |
74.17 |
| Transportation Accessibility Score |
69.3 |
34.36 |
| Micromobility Options |
Bikeshare |
— |
| Transit Frequency Score 17 |
5 |
3.64 |
World Comparison
| Kuala Lumpur (Malaysia) |
1,982,112 — 243% of San Francisco |
| Dubai (UAE) |
3,600,000 — 442% of San Francisco |
| Hong Kong (China) |
7,500,700 — 920% of San Francisco |
The Building Stock
| Buildings On File |
3,916 |
| With Measured Heights |
3,915 |
| Mean Roof Height |
40 ft (12.2 m) |
| Tallest On File |
1,070 ft (326.0 m) |
| Under 100 Ft |
3,837 |
| 100 To 250 Ft |
31 |
| 250 To 500 Ft |
24 |
| 500 To 1,000 Ft |
22 |
| 1,000 Ft And Above |
1 |
The Tallest On File
| Salesforce Tower |
1,070 ft |
| 181 Fremont |
801 ft |
| 555 California Street |
778 ft |
| Oceanwide Center |
699 ft |
| Millennium Tower |
646 ft |
| Four Seasons Hotel and Residences |
600 ft |
| Four Seasons Hotel |
600 ft |
| 50 Fremont Center |
600 ft |
Further Reading
Compiled 2026-09-01 from the urbanicity research tables.
1 Population Growth Rate — Annualized rate, recent period.
2 Gdp Billions — Metropolitan GDP, in billions of USD.
3 Gdp Per Capita — Metro GDP divided by resident population, USD.
4 Cost Living Index — Composite cost of living; U.S. average = 100.
5 Housing Affordability Ratio — Median home price ÷ median household income; higher = less affordable.
6 Rental Affordability Index — Share of income consumed by median rent; higher = less affordable.
7 Housing Typology Diversity — Mix of housing types, 0–1; higher = more varied stock.
8 Housing Price Growth Rate — Annualized price change, recent period.
9 Built Density — Population per square mile of built-up land.
10 Avg Building Height — Mean building height, feet.
11 Land Use Mix Index — Diversity of land uses; source column under data review.
12 Street Connectivity Index — Intersection density and network grain; higher = finer grid.
13 Sprawl Index — Compactness measure; higher = more sprawl.
14 Public Transit Mode Share — Percent of commutes by transit.
15 Walkability Score — 0–100; higher = more walkable.
16 Traffic Congestion Index — Delay relative to free-flow travel; higher = worse.
17 Transit Frequency Score — Service frequency composite, 0–10.