fresh block

<!DOCTYPE html>
<meta charset="utf-8">

.axis {
	  font: 10px sans-serif;
	}

.text {
  fill: black;
  font-family: sans-serif
	}
	.axis path,
	.axis line {
	  fill: none;
	  stroke: #000;
    stroke-width = 5;
	  shape-rendering: crispEdges;
	}
<svg width="960" height="500"></svg>
	</style>
</head>

var margin = {top: 20, right: 20, bottom: 40, left: 75},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var y = d3.scale.ordinal().rangeRoundBands([height, 0], .25);

var x = d3.scale.linear().range([width, 0]);

var z = d3.scale.ordinal(d3.schemeCategory10);
  
var colors = d3.scale.category10();

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left");
  
var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  	.append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

d3.csv("TRISF.csv", function(error, data) {
				data.forEach(function(d) {
        d.district = d.district;
        d.count = +d.count;
    });
	
  y.domain(data.map(function(d) { return d.district; }));
  x.domain([d3.max(data, function(d) { return d.count; }), 0]);
  
  svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis)
    .selectAll("text")
      .style("text-anchor", "end")
      .attr("dx", "1.5em");

svg.append("g")
      .attr("class", "y axis")
      .call(yAxis);
  
  svg.selectAll("bar")
      .data(data)
    	.enter()
    	.append("rect")
  		.attr("class","rect")
  		.attr("width", function(d) { return x(d.count); })
  		.attr("y", function(d) { return y(d.district); })
      .attr("height", y.rangeBand())
  		.attr("fill", function(d) {
    if (d.count === 228)
      {
      	return "#ffe175";
    	}
    	else if (d.count === 261) 
      {
      	return "#ffd642";
    	}
    	else if (d.count === 288) 
      {
        return "#fed12d";
      }
        
        else if (d.count === 368) 
      {
       return "#fed35c";
      }
        else if (d.count === 372) 
      {
        return "#feb24c"
      }
        else if (d.count === 410) 
      {
        return "#fd8d3c";
      }
        else if (d.count === 616) 
      {
        return "#fc4e2a";
      }
        else if (d.count === 794) 
      {
        return "#e31a1c"
      }
        else if (d.count === 909) 
      {
        return "#bd0026";
      }
    return "#800026";})
      
  svg.selectAll("bar")
  .data(data)
  .append("text")
      .attr("x",  width)
      .attr("y", height)
      .attr("dy", "1em")
      .attr("text-anchor", "middle")
      .attr("font-size", "14px")
      .attr("fill", "black")
      //.attr("transform", function(d) { return "translate(0, -20)"; })
      .text(function(d) { return d.count; });
      
});

</script>

</body>

Updated missing url http://d3js.org/d3.v3.min.js to https://d3js.org/d3.v3.min.js

https://d3js.org/d3.v3.min.js