TileMill Poverty Map US Counties

gistfile1.txt

<h3>Poverty Rate</h3>
<ul class="scale">
  <li><span class="colorbox" style="background:#c5e0e1; color:#c5e0e1;">▉</span>  0-10%</li>
  <li><span class="colorbox" style="background:#8BC0BF; color:#8BC0BF;">▉</span> 10-15%</li>
  <li><span class="colorbox" style="background:#51A09E; color:#51A09E;">▉</span> 15-20%</li>
  <li><span class="colorbox" style="background:#18817E; color:#18817E;">▉</span> 20-25%</li>
  <li><span class="colorbox" style="background:#14615F; color:#14615F;">▉</span> > 25%</li>
</ul>

poverty.mss

@scale1: #999;
@scale2: #c5e0e1;
@scale3: #8BC0BF;
@scale4: #51A09E;
@scale5: #18817E;
@scale6: #14615F;

Map {
  background-color: #333;
}

#countries {
  ::outline {
    line-color: #666;
    line-width: 2;
    line-join: round;
  }
  polygon-fill: #666;
}

#lakes [ScaleRank < 3] {
  line-color:#333;
  line-width:0.5;
  polygon-opacity:1;
  polygon-fill:#333;
}

#poverty {
  line-color:#fff;
  line-width:0.5;
  polygon-opacity:1;
  polygon-fill:#e6e6e6;
  
  [Percent > 0]  { polygon-fill:@scale2; }
  [Percent > 10] { polygon-fill:@scale3; }
  [Percent > 15] { polygon-fill:@scale4; }
  [Percent > 20] { polygon-fill:@scale5; }
  [Percent > 25] { polygon-fill:@scale6; }
}

#states [ISO='USA'] {
  line-color:#fff;
  line-width:1;
  polygon-opacity:0;
  polygon-fill:#666;
}