94121 receives the higher standardized Area Score. That reflects AreaProfile's weighting, not a judgment about which place is better to live in.
Signals
94109
94121
Opportunity
66 · Top 26%
vs68 · Top 23%
Growth
34 · Bottom 24%
vs34 · Bottom 24%
Climate
89 · Top 10%
vs89 · Top 10%
Physical resilience
45 · Bottom 35%
vs45 · Bottom 35%
Housing affordability
40 · Bottom 7%
vs48 · Bottom 14%
Access
98 · Top 26%
vs98 · Top 28%
Economic stability
52 · Bottom 35%
vs65 · Top 40%
Measured values
| Metric | 94109 | 94121 | Source period |
|---|---|---|---|
| Population | 54,553 | 41,995 | 2024 ACS 5-Year |
| Median household income | $106,018 | $133,358 | 2024 ACS 5-Year |
| Per capita income | $95,004 | $88,205 | 2024 ACS 5-Year |
| Population density | 50,559/sq mi | 16,566/sq mi | 2024 ACS 5-Year |
| Median home value | $1,300,300 | $1,611,400 | 2024 ACS 5-Year |
| Median gross rent | $2,177 | $2,363 | 2024 ACS 5-Year |
| Homeownership rate | 16.8% | 43.9% | 2024 ACS 5-Year |
| Unemployment rate | 3.7% | 3.7% | June 2026 |
| Employment change (year over year) | -0.9% | -0.9% | June 2026 |
| Bachelor's degree or higher | 63.8% | 64.6% | 2024 ACS 5-Year |
| Poverty rate | 13.8% | 8.6% | 2024 ACS 5-Year |
| Housing units permitted (12 months) | 1,622 | 1,622 | 12 months ending July 2026 |
| Permits per 1,000 residents | 2.0 | 2.0 | 12 months ending July 2026 |
| Permit change (year over year) | 27.9% | 27.9% | 12 months ending July 2026 |
| Average July high | 66°F | 66°F | 1991-2020 Normals |
| Average January low | 47°F | 47°F | 1991-2020 Normals |
| Annual precipitation | 22.9" | 22.9" | 1991-2020 Normals |
| Distance to major airport | 12 mi | 13 mi | NASR current cycle |
| Average commute | 31.6 min | 34.7 min | 2024 ACS 5-Year |
| Median age | 39.4 | 44.5 | 2024 ACS 5-Year |
A bolded value is the more favorable of the two where the metric has a clear direction. Metrics like population and density have no inherent better or worse and are shown unweighted.
Physical risk tradeoff
94109
Elevated or high exposure: earthquake.
94121
Elevated or high exposure: earthquake.
Full profiles: 94109 — San Francisco, CA · 94121 — San Francisco, CA · How this is calculated: methodology