{
  "alt": "Two histograms on shared axes. Bucks County has a single peak near an even split, and its most Democratic precinct has a margin of {fact:bucks_max_d} points. Centre County has two humps, one on each side of even, with few votes in precincts near even.",
  "caption": "Bucks precincts cluster around an even split; Centre's form two groups, one on each side, with few votes near even. Each bar is the share of the county's two-party votes cast in precincts in one band of margin. The spread is {fact:bucks_sd} points in Bucks and {fact:centre_sd} in Centre.",
  "data": [
    {
      "county": "Bucks County, PA",
      "n": 0,
      "share": 0,
      "x0": -100,
      "x1": -90
    },
    {
      "county": "Bucks County, PA",
      "n": 0,
      "share": 0,
      "x0": -90,
      "x1": -80
    },
    {
      "county": "Bucks County, PA",
      "n": 0,
      "share": 0,
      "x0": -80,
      "x1": -70
    },
    {
      "county": "Bucks County, PA",
      "n": 0,
      "share": 0,
      "x0": -70,
      "x1": -60
    },
    {
      "county": "Bucks County, PA",
      "n": 0,
      "share": 0,
      "x0": -60,
      "x1": -50
    },
    {
      "county": "Bucks County, PA",
      "n": 0,
      "share": 0,
      "x0": -50,
      "x1": -40
    },
    {
      "county": "Bucks County, PA",
      "n": 4,
      "share": 1.05123,
      "x0": -40,
      "x1": -30
    },
    {
      "county": "Bucks County, PA",
      "n": 25,
      "share": 8.34993,
      "x0": -30,
      "x1": -20
    },
    {
      "county": "Bucks County, PA",
      "n": 54,
      "share": 17.7148,
      "x0": -20,
      "x1": -10
    },
    {
      "county": "Bucks County, PA",
      "n": 83,
      "share": 27.6241,
      "x0": -10,
      "x1": 0
    },
    {
      "county": "Bucks County, PA",
      "n": 68,
      "share": 22.4775,
      "x0": 0,
      "x1": 10
    },
    {
      "county": "Bucks County, PA",
      "n": 40,
      "share": 13.7733,
      "x0": 10,
      "x1": 20
    },
    {
      "county": "Bucks County, PA",
      "n": 15,
      "share": 5.06127,
      "x0": 20,
      "x1": 30
    },
    {
      "county": "Bucks County, PA",
      "n": 13,
      "share": 3.63311,
      "x0": 30,
      "x1": 40
    },
    {
      "county": "Bucks County, PA",
      "n": 2,
      "share": 0.31474,
      "x0": 40,
      "x1": 50
    },
    {
      "county": "Bucks County, PA",
      "n": 0,
      "share": 0,
      "x0": 50,
      "x1": 60
    },
    {
      "county": "Bucks County, PA",
      "n": 0,
      "share": 0,
      "x0": 60,
      "x1": 70
    },
    {
      "county": "Bucks County, PA",
      "n": 0,
      "share": 0,
      "x0": 70,
      "x1": 80
    },
    {
      "county": "Bucks County, PA",
      "n": 0,
      "share": 0,
      "x0": 80,
      "x1": 90
    },
    {
      "county": "Bucks County, PA",
      "n": 0,
      "share": 0,
      "x0": 90,
      "x1": 100
    },
    {
      "county": "Centre County, PA",
      "n": 0,
      "share": 0,
      "x0": -100,
      "x1": -90
    },
    {
      "county": "Centre County, PA",
      "n": 0,
      "share": 0,
      "x0": -90,
      "x1": -80
    },
    {
      "county": "Centre County, PA",
      "n": 1,
      "share": 0.332716,
      "x0": -80,
      "x1": -70
    },
    {
      "county": "Centre County, PA",
      "n": 5,
      "share": 4.16646,
      "x0": -70,
      "x1": -60
    },
    {
      "county": "Centre County, PA",
      "n": 8,
      "share": 6.12273,
      "x0": -60,
      "x1": -50
    },
    {
      "county": "Centre County, PA",
      "n": 12,
      "share": 6.1515,
      "x0": -50,
      "x1": -40
    },
    {
      "county": "Centre County, PA",
      "n": 7,
      "share": 7.05709,
      "x0": -40,
      "x1": -30
    },
    {
      "county": "Centre County, PA",
      "n": 8,
      "share": 10.5619,
      "x0": -30,
      "x1": -20
    },
    {
      "county": "Centre County, PA",
      "n": 5,
      "share": 5.43103,
      "x0": -20,
      "x1": -10
    },
    {
      "county": "Centre County, PA",
      "n": 3,
      "share": 4.11517,
      "x0": -10,
      "x1": 0
    },
    {
      "county": "Centre County, PA",
      "n": 2,
      "share": 1.34337,
      "x0": 0,
      "x1": 10
    },
    {
      "county": "Centre County, PA",
      "n": 7,
      "share": 11.9615,
      "x0": 10,
      "x1": 20
    },
    {
      "county": "Centre County, PA",
      "n": 8,
      "share": 14.0967,
      "x0": 20,
      "x1": 30
    },
    {
      "county": "Centre County, PA",
      "n": 7,
      "share": 12.9947,
      "x0": 30,
      "x1": 40
    },
    {
      "county": "Centre County, PA",
      "n": 7,
      "share": 9.70631,
      "x0": 40,
      "x1": 50
    },
    {
      "county": "Centre County, PA",
      "n": 3,
      "share": 2.82559,
      "x0": 50,
      "x1": 60
    },
    {
      "county": "Centre County, PA",
      "n": 4,
      "share": 3.13329,
      "x0": 60,
      "x1": 70
    },
    {
      "county": "Centre County, PA",
      "n": 0,
      "share": 0,
      "x0": 70,
      "x1": 80
    },
    {
      "county": "Centre County, PA",
      "n": 0,
      "share": 0,
      "x0": 80,
      "x1": 90
    },
    {
      "county": "Centre County, PA",
      "n": 0,
      "share": 0,
      "x0": 90,
      "x1": 100
    }
  ],
  "id": "example_counties",
  "notes": [
    "The number in the tooltip is the number of precincts in the band. The two counties were chosen for the contrast between them, not at random.",
    "Full counts of votes: there is no sampling, so the shares carry no confidence interval."
  ],
  "source": "MIT Election Data and Science Lab, 2024 precinct-level presidential returns; county totals summed from the precincts; full counts of votes, not survey estimates, so nothing is weighted except by two-party votes where stated",
  "spec": {
    "facet": "county",
    "reference": 0,
    "referenceLabel": "Even",
    "x0": "x0",
    "x1": "x1",
    "xLabel": "Precinct two-party margin (points, Democratic positive)",
    "y": "share",
    "yLabel": "Share of the county's votes (%)"
  },
  "subtitle": "Share of each county's 2024 two-party votes cast in precincts in each {fact:bin_width}-point band of margin",
  "title": "Bucks County precincts cluster near an even split, while Centre County precincts form two groups, one on each side",
  "type": "histogram"
}