A few questions about this county.
1) Why is it growing so fast?
2) What types of people are moving here? Working class? Educated? Minorities?
3) Is this county trending D a little?
James Fallows has written about Greenville's success becoming a hub for high-paying industrial jobs because of strong educational institutions and public-private partnerships attracting investment. It has an attractive downtown based around the river and falls which once powered manufacturing.
The best analogy I can think of for economic growth and drawing educated professionals while still voting solidly Republican is Huntsville, Alabama.
The Space Coast (Brevard County) is another.
All of these types of places are in the South, and I think they just draw mostly the children of rich Republicans in the Atlanta metro (or other Southern cities), i.e., not that many people from outside the South, just the more highly educated and wealthier Southerners. So not surprising that they stay Republican, and they're certainly hubs of less-Republican white voters compared to the rest of the South.
