It is just seven miles from the current Leonardo DRS facility in Milwaukee to the proposed future home of the company in Menomonee Falls, but seven miles can make a world of difference.

At $74,238, the median household income in the company’s future zip code, 53051, is more than double that of the one where the company is currently located, 53216. More than a quarter of the population in 53216 lives in poverty, compared to just 4 percent where the company will be moving, not far from North Hills Country Club...