Definitions: Percentage of related children under age 18 who live in families with incomes below the U.S. poverty threshold, as defined by the Bureau of the Census. The 2008 poverty threshold was $21,200 for a family of four. For counties with a population of less than $20,000, an estimate based on county-PUMA ratio is reported.
Data Source: USDC, Bureau of the Census.
Note: Maps use the natural break classification method, which reflects patterns
in the data by dividing the map into naturally occurring groups. Using statistical tools, this method
determines cut-off points for each group by identifying large gaps in data values.