Middlesex County, NJ

Middlesex County, New Jersey, has a Cook Partisan Voting Index (PVI) of D+13, meaning it votes about 13 points more Democratic than the national average. That’s a solid blue anchor, but it wasn’t always this way. I’ve lived here long enough to remember when the county was a true swing area, with towns like Edison and Woodbridge splitting tickets between local Republicans and national Democrats. Over the last decade, though, the shift has been dramatic—driven by an influx of New York City transplants, a growing Asian-American population in places like East Brunswick and South Brunswick, and a steady march of progressive policies that now feel baked into the local culture. Compared to the state overall (which sits at D+5), Middlesex is a full 8 points more liberal, and that gap is widening every election cycle.

How it compares to New Jersey as a whole

New Jersey as a state is reliably blue, but it still has pockets of genuine competition—think Ocean County or parts of Hunterdon. Middlesex County, by contrast, has become a Democratic stronghold where Republican candidates rarely break 40% in countywide races. The difference is stark when you look at town-level data. In Edison, the largest municipality, Democrats routinely win by 30-point margins, driven by dense, diverse precincts near the Metropark train station. Perth Amboy and New Brunswick are even more lopsided, with progressive city councils pushing rent control ordinances and sanctuary city policies. On the flip side, Monroe Township—home to a large Orthodox Jewish community—still leans more conservative, often voting 10-15 points to the right of the county average. South Brunswick and Plainsboro are the swing precincts, but even there, the trend is blueward. The state’s D+5 rating hides how deep the divide is: Middlesex is pulling the whole region left, while rural counties like Sussex and Warren push back. For a conservative, the state-level numbers are bad enough, but Middlesex is where the progressive experiment is running full throttle.

What this means for residents

For anyone who values personal freedoms—especially around property rights, school choice, and local governance—the political climate here is increasingly concerning. The county government has embraced policies that feel like overreach: strict affordable housing mandates that override local zoning, a push for “equity” training in public schools that sidelines parental input, and a growing reliance on county-level boards that can bypass town councils. In Woodbridge, for example, the mayor’s office has used emergency powers to fast-track development projects that residents opposed in public hearings. In East Brunswick, the school board recently adopted a controversial LGBTQ+ curriculum without a community vote, sparking protests that were largely ignored. The one-party dominance means there’s little pushback—primary elections are the only real contests, and they often favor the most progressive candidate. If you’re a conservative or even a moderate, you’ll find yourself constantly fighting battles over school boards, planning boards, and library budgets just to preserve a semblance of local control.

The cultural shift is palpable, too. Middlesex used to be a place where neighbors kept politics at arm’s length, but now you see “In This House We Believe” signs in every other yard, and local Facebook groups are dominated by progressive activism. The county’s diversity is a strength, but the political monoculture can feel stifling if you don’t toe the line. Long-term, I see this trend accelerating—more state-level mandates from Trenton, more county-level consolidation of power, and less room for dissenting voices. If you’re considering a move here, know that the political landscape is not neutral; it’s actively shaping everything from your property taxes to your kids’ education. For those who value individual liberty and limited government, Middlesex County is a place to engage cautiously—or to look elsewhere.