> Reddest county: Musselshell County
With 55.0% of votes going to Romney and 42.0% to Obama, Montana had one of the smaller margins of any state in the 2012 election. Not every part of the state is as politically divided, however. Approximately 76% of votes in Musselshell County went to Romney, the highest share in Montana. Areas with higher education attainment rates tend to lean Democrat. In the red-leaning Musselshell County, however, just 15.1% of adults have at least a bachelor’s degree, about half of the national rate.
> Reddest county: Grant County
One of the smaller counties in Nebraska, Grant County has an estimated population of just 649 people. In the 2012 election, a total of just 30 votes were cast for Obama in Grant. The 8.3% share of votes was the smallest in Nebraska, one of the smallest in the country, and in stark contrast with Romney’s voter support from the area. Democrats often rely on votes among minority populations. Grant County, however, has few such residents, which could partially explain the Republican outcome. Just 2% of county residents identify as non-white in Grant County, one of the smallest shares in the country.
> Reddest county: Eureka County
With 46% of votes going to Romney and 52% going to Obama, Nevada had one of the slimmest margins of any state in the 2012 election. In Eureka County, however, there was less division amongst voters. In the state’s reddest county, approximately 82% of the votes went to Romney and just about 13% went to Obama. In addition to voting Republican in the presidential election, Eureka County has helped elect a Republican to the House of Representatives in each of the last five elections.
29. New Hampshire
> Reddest county: Carroll County
New Hampshire was one of the major swing states in the 2012 election, with just a 6 percentage point margin between Romney and Obama. Even in Carroll County, the state’s most Republican-leaning area, 49.9% of votes went to Romney and 49.1% went to Obama, a 1 percentage point margin. Over the past five congressional election cycles voters in Carroll have been slightly more likely to cast a ballot for a Republican to compared with voters in other New Hampshire areas.
30. New Jersey
> Reddest county: Sussex County
With residents casting 60.3% of their votes for Romney, Sussex is the most Republican-leaning county in New Jersey. In addition to the county voting Republican in the presidential election, the two congressional districts that cover Sussex County have elected a Republican to the House of Representatives in the past five elections. Wealthy individuals often give support to Republican candidates, and incomes in Sussex County are very high. The median household income in the county of $87,397 is about $34,000 more than the typical American household annual income.