I use a domain parking PPC company that tracks click traffic from "U.S." and "non-U.S." origins.
Non-geotargeted domains attracted a higher percentage of non-U.S. traffic than I expected in many cases. However, US localization of traffic for U.S. geotargetted domains was, in many cases, 100%.
Since there are many countries where English is spoken it's not surprising to find significant non-U.S. traffic for generic English word domains. Also, a number of the non-geo domains likely attract international traffic from non-English speaking nations since the domains relate to international trade/commerce.
Localized domains - such as ExampleCounty.com or ExampleCountyWidgets.com - effectively draw highly targeted, localized type-in traffic. Pure type-in, undeveloped website traffic.
FYI: I did a little exploring today. Many geotargeted domains are taken but there are a number of domains in this realm still available. A friend who is a realtor followed my advice several years ago. She appears quite happy with the results. Since a single commission might run $10-20,000+ I can understand why she keeps renewing the domains.
So, if you have a brick and mortar presence and wish to attract local traffic you may wish to geotarget your domain.
IF a sales lead is worth more than the domain/hosting cost having a second or third website may be a wise investment as the world moves ahead in its use of the WWW.
IF this doesn't work in your case then the investment/loss will be rather small.
My advice: Get 'em whilst you can, if you can. It's not only search engine technology that allows you to localize your traffic.