Interestingly, you can learn about the characteristics of these employees as well. The gender gap in data centers is large (more male), but worse in new firms than incumbent firms:

The growth in share of employment in data centers has also been very different across space, with data centers becoming more important in Arkansas, Alabama, and DC:

Employment in data centers is very concentrated in a few states

There is a LOT of research that could be done with this data. For a reminder, here are the states that have data at Census:

Hires nationally decreased 5% in 2023Q2, compared with a year earlier; separations also decreased 5%.