Buchanan County, MO

Buchanan County, Missouri, is a solidly Republican area with a Cook Partisan Voting Index (PVI) of R+19, making it significantly more conservative than the state of Missouri as a whole, which sits at R+8. This isn't a recent shift; the county has been a GOP stronghold for decades, though the margin has widened in the last two presidential cycles. The real story here is the internal divide: the city of St. Joseph, which holds the bulk of the county's population, is a classic blue island in a red sea, while the surrounding rural towns and unincorporated areas vote overwhelmingly Republican.

How it compares

The R+19 PVI means Buchanan County votes about 11 points more Republican than the state average. In practice, that translates to a countywide vote of roughly 65-70% for the GOP presidential candidate, compared to Missouri's 58-60%. But that countywide number masks a sharp urban-rural split. St. Joseph's core precincts, particularly around the Missouri Western State University campus and the downtown area, often vote Democratic by 10-15 points. In contrast, towns like Agent, Rushville, and DeKalb routinely deliver 80%+ Republican margins. The swing precincts are in the suburban fringe of St. Joseph—places like the neighborhoods near the East Hills Shopping Center and the newer developments along the I-29 corridor—where races are often decided by a few hundred votes. This dynamic is more pronounced than in many other R+8 counties across the state, where the urban centers are smaller and less influential.

What this means for residents

For conservative residents, the county's lean means local elections are rarely competitive outside of the Republican primary. The county commission, sheriff, and most municipal offices in the smaller towns are reliably GOP. Policy-wise, this translates to a low-tax, limited-government approach at the county level, with minimal zoning restrictions and a strong emphasis on Second Amendment rights. For liberal residents, the reality is more nuanced. St. Joseph's city council often has a Democratic majority or a strong minority, so progressive policies on housing, public transit, and social services can advance within city limits. However, statewide and countywide offices are a long shot. The practical effect is that a liberal resident can feel politically at home in St. Joseph's downtown coffee shops and arts scene, but will encounter a very different atmosphere driving 15 minutes into the countryside. The county's political culture is also notably more traditional and church-oriented than the state's fast-growing suburban corridors like St. Charles or Boone County.

One cultural distinction that sets Buchanan County apart from the rest of Missouri is its deep-rooted identity as a former industrial and railroad hub. The decline of manufacturing in St. Joseph has created a more populist, working-class conservative streak than the libertarian-leaning conservatism found in the Ozarks. You'll hear more talk about union jobs and the old Swift & Company plant than about tax cuts for small businesses. This gives the local GOP a slightly different flavor—more focused on economic nostalgia and less on social issues than in some other parts of the state. For newcomers, the key takeaway is that Buchanan County is not a monolith: it's a place where a Democratic mayor can coexist with a Republican county commission, and where the political conversation is still shaped by the memory of a bustling river town that once rivaled Kansas City. The trajectory is toward deeper red, but the blue core of St. Joseph ensures the county remains politically interesting, if not competitive, for the foreseeable future.