Ontario receives the higher standardized Area Score. That reflects AreaProfile's weighting, not a judgment about which place is better to live in.
Signals
Montclair
Ontario
Opportunity
43 · Bottom 22%
vs52 · Bottom 42%
Growth
66 · Top 23%
vs57 · Top 37%
Climate
89 · Top 5%
vs89 · Top 5%
Physical resilience
7 · Bottom 2%
vs7 · Bottom 2%
Housing affordability
39 · Bottom 4%
vs46 · Bottom 7%
Access
100 · Top 1%
vs100 · Top 1%
Economic stability
50 · Bottom 31%
vs61 · Top 48%
Measured values
| Metric | Montclair | Ontario | Source period |
|---|---|---|---|
| Population | 37,810 | 180,547 | 2024 ACS 5-Year |
| Median household income | $77,659 | $88,941 | 2024 ACS 5-Year |
| Per capita income | $27,549 | $32,506 | 2024 ACS 5-Year |
| Population density | 6,836/sq mi | 3,612/sq mi | 2024 ACS 5-Year |
| Median home value | $569,100 | $607,600 | 2024 ACS 5-Year |
| Median gross rent | $1,889 | $2,030 | 2024 ACS 5-Year |
| Homeownership rate | 54.8% | 58.0% | 2024 ACS 5-Year |
| Unemployment rate | 5.0% | 4.7% | June 2026 |
| Employment change (year over year) | -1.4% | -1.4% | June 2026 |
| Bachelor's degree or higher | 18.8% | 22.5% | 2024 ACS 5-Year |
| Poverty rate | 17.7% | 12.4% | 2024 ACS 5-Year |
| Housing units permitted (12 months) | 491 | 1,113 | 12 months ending July 2026 |
| Permits per 1,000 residents | 13.0 | 6.2 | 12 months ending July 2026 |
| Permit change (year over year) | 46.6% | -36.4% | 12 months ending July 2026 |
| Average July high | 94°F | 94°F | 1991-2020 Normals |
| Average January low | 45°F | 45°F | 1991-2020 Normals |
| Annual precipitation | 11.6" | 11.6" | 1991-2020 Normals |
| Distance to major airport | 6 mi | 1 mi | NASR current cycle |
| Average commute | 32.5 min | 33.7 min | 2024 ACS 5-Year |
| Median age | 33.7 | 33.5 | 2024 ACS 5-Year |
| Public schools | 10 | 38 | 2024-25 school year |
| Students per teacher | 22.72 | 22.07 | 2024-25 school year |
| Free or reduced-price lunch eligibility | 85.4% | 80.2% | 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
Montclair
Elevated or high exposure: wildfire, earthquake, inland flooding.
Ontario
Elevated or high exposure: wildfire, earthquake, inland flooding.
Full profiles: Montclair, CA · Ontario, CA · How this is calculated: methodology