States with a population less than Queens by almccon

index.html

<!DOCTYPE html>
<style>

.counties {
  fill: none;
}
.county-highlight {
  fill: blue;
}
.states {
  fill: lightgray;
}
.states-lowpop {
  fill: red;
}
.counties :hover {
  fill: red;
}

.county-borders {
  fill: none;
  stroke: #fff;
  stroke-width: 0.5px;
  stroke-linejoin: round;
  stroke-linecap: round;
  pointer-events: none;
}

</style>
<svg width="960" height="600"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://d3js.org/topojson.v2.min.js"></script>
<script>

var svg = d3.select("svg");

var path = d3.geoPath();

d3.json("https://d3js.org/us-10m.v1.json", function(error, us) {
  if (error) throw error;
  
  svg.append("g")
      .attr("class", "states")
    .selectAll("path")
    .data(topojson.feature(us, us.objects.states).features)
    .enter().append("path")
      .attr("d", path)
  	.classed("states-lowpop", function(d) {
      return d.id == '02' // Alaska         
          || d.id == '10' // Delaware
          || d.id == '15' // Hawaii
          || d.id == '16' // Idaho
          || d.id == '23' // Maine
          || d.id == '30' // Montana
          || d.id == '31' // Nebraska
					|| d.id == '33' // New Hampshire
      		|| d.id == '35' // New Mexico
          || d.id == '38' // North Dakota          
          || d.id == '44' // Rhode Island
          || d.id == '46' // South Dakota
          || d.id == '50' // Vermont
          || d.id == '54' // West Virginia
          || d.id == '56' // Wyoming
      ;
  	});
  
   svg.append("g")
      .attr("class", "counties")
    .selectAll("path")
    .data(topojson.feature(us, us.objects.counties).features)
    .enter().append("path")
      .attr("d", path)
    .classed('county-highlight', function(d) {
      return d.id == '36081';
    });
  
    svg.append("path")
      .attr("class", "county-borders")
      .attr("d", path(topojson.mesh(us, us.objects.states, function(a, b) { return a !== b; })));
});

</script>