[stepny]

The second chart should show the compensation breakdown across salary, cash bonus and equity.

In NYC and SF, there's high demand for and short supply of developers, which drives up compensation. Companies in these cities will recruit from across the country to get talent. Cities like Dallas though also have a much lower cost of living, so that should be taken into account. There was a Hacker News thread about this at one point.

We don't yet have enough data on each market, but we plan on breaking out the analysis by city once we get that data.