Los Alamos, NM vs South Valley, NM

The cost of living difference between Los Alamos, NM and South Valley, NM is dramatic. South Valley is 40.6% cheaper than Los Alamos, a gap that translates to thousands of dollars per year in household expenses. Los Alamos has a cost index of 110 while South Valley sits at 78, 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 Los Alamos is $1,304/month compared to $942/month in South Valley — a 38% difference. Home values follow the same pattern: South Valley is more affordable at $205,200 median vs $458,200.

Median household income in Los Alamos is $136,502 compared to $51,062 in South Valley (+167.3%). While Los Alamos is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Los Alamos spend roughly 11.5% of their income on rent, less than the 22.1% in South Valley.