Lake Oswego, OR vs St. Helens, OR

The cost of living difference between Lake Oswego, OR and St. Helens, OR is dramatic. St. Helens is 64.7% cheaper than Lake Oswego, a gap that translates to thousands of dollars per year in household expenses. Lake Oswego has a cost index of 172 while St. Helens sits at 105, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Lake Oswego is $2,031/month compared to $1,269/month in St. Helens — a 60% difference. Home values follow the same pattern: St. Helens is more affordable at $350,900 median vs $894,000.

Median household income in Lake Oswego is $140,441 compared to $82,123 in St. Helens (+71%). While Lake Oswego is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Lake Oswego spend roughly 17.4% of their income on rent, less than the 18.5% in St. Helens.

Climate-wise, both cities share similar average temperatures (54.8°F vs 53°F). St. Helens receives more rainfall at 42.3" per year compared to 39.6" in Lake Oswego.