San Dimas receives the higher standardized Area Score. That reflects AreaProfile's weighting, not a judgment about which place is better to live in.
Signals
San Dimas
Lancaster
Opportunity
44 · Bottom 25%
vs30 · Bottom 7%
Growth
20 · Bottom 8%
vs22 · Bottom 9%
Climate
89 · Top 5%
vs60 · Bottom 13%
Physical resilience
11 · Bottom 4%
vs11 · Bottom 7%
Housing affordability
45 · Bottom 7%
vs57 · Bottom 16%
Access
98 · Top 20%
vs90 · Bottom 42%
Economic stability
63 · Top 44%
vs44 · Bottom 23%
Measured values
| Metric | San Dimas | Lancaster | Source period |
|---|---|---|---|
| Population | 33,789 | 169,169 | 2024 ACS 5-Year |
| Median household income | $105,321 | $81,511 | 2024 ACS 5-Year |
| Per capita income | $51,207 | $31,046 | 2024 ACS 5-Year |
| Population density | 2,248/sq mi | 1,794/sq mi | 2024 ACS 5-Year |
| Median home value | $801,800 | $446,600 | 2024 ACS 5-Year |
| Median gross rent | $2,278 | $1,764 | 2024 ACS 5-Year |
| Homeownership rate | 72.4% | 60.4% | 2024 ACS 5-Year |
| Unemployment rate | 5.0% | 7.2% | June 2026 |
| Employment change (year over year) | -1.6% | -1.6% | June 2026 |
| Bachelor's degree or higher | 40.4% | 20.0% | 2024 ACS 5-Year |
| Poverty rate | 9.9% | 15.6% | 2024 ACS 5-Year |
| Housing units permitted (12 months) | 23 | 313 | 12 months ending July 2026 |
| Permits per 1,000 residents | 0.7 | 1.9 | 12 months ending July 2026 |
| Permit change (year over year) | -42.5% | -68.5% | 12 months ending July 2026 |
| Average July high | 94°F | 98°F | 1991-2020 Normals |
| Average January low | 45°F | 31°F | 1991-2020 Normals |
| Annual precipitation | 11.6" | 6.8" | 1991-2020 Normals |
| Distance to major airport | 12 mi | 25 mi | NASR current cycle |
| Average commute | 34.5 min | 31.8 min | 2024 ACS 5-Year |
| Median age | 43.3 | 34.5 | 2024 ACS 5-Year |
| Public schools | 12 | 46 | 2024-25 school year |
| Students per teacher | 23.22 | 23.94 | 2024-25 school year |
| Free or reduced-price lunch eligibility | 35.6% | 75.6% | 2024-25 school 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
San Dimas
Elevated or high exposure: inland flooding, earthquake.
Lancaster
Elevated or high exposure: earthquake, inland flooding.
Full profiles: San Dimas, CA · Lancaster, CA · How this is calculated: methodology