JSFiddle - React, Tailwind, and code Playground

JavaScript

var population = JSON.parse('[["P0010001","NAME","state","county","tract"], ["2703","Census Tract 4001.01","17","119","400101"], ["5603","Census Tract 4001.02","17","119","400102"], ["4327","Census Tract 4002","17","119","400200"]]');
alert(population[1][0]);