Is Election Participation a Socioeconomic Condition? Harris County (TX) Voter Turnout by Zip Code Area, Median Household Income, and Surname: November 8, 2016 General Election by Hector De Leon | Sep 5, 2020 | Voting Data CLICK HERE https://www.hectordeleon.com/wp-content/uploads/2020/09/TABLE_Voting_n_Registration_by_-ZipCode_MedianHouseholdIncome_n_Surnames_2016NovElection.xlsx