For visualization that highlights block groups that have either (a) high concentrations of people of residents (or households) with average median incomes <80% OR (b) have had growth (% change) in absolute number of
of residents (or households) with average median incomes <80%
For visualization that highlights block groups that have either (a) high concentrations of people of residents (or households) with average median incomes <80% OR (b) have had growth (% change) in absolute number of of residents (or households) with average median incomes <80%