Sorting & Selecting Past Voting History Party Age Gender Registration Date Ethnicity 1990 Census Data by Block Group Any Geographical or Political Boundary High Turnout Precincts/Voting Districts Swing Precincts/Voting Districts Private Code Sorting/Selecting Existence of a Telephone Multi-Voter Households Apartment Buildings Mixed Party Households Female or Male Head of Household High Turnout Primary Voters Random Voter Selections Special Project Sorts and Selections