Why does an Arizona GEOID begin with zero?
Arizona’s state FIPS is 04. Keep the leading zero in five-digit county GEOIDs such as 04013 for Maricopa County.
Can I color Phoenix or Tucson independently?
The editor selects county boundaries. Use Maricopa and Pima for observations that cover those counties, and use city geography for city-only data.
Which identifier should I use for Pinal?
Use 04021 for Pinal County. It is separate from Maricopa at 04013 and Pima at 04019.
Why is Pinal in its own population-growth band?
Its 4.59% change was the highest in this period. The class breaks reserve the top band for counties at 1.5% growth or above.
Does a county fill show Tribal land boundaries?
The map shows county geography. Tribal lands can cross county lines, so compare Tribal-area statistics using an appropriate boundary layer.
How can I show the Colorado River border across states?
Use the national county editor for a single map that includes Arizona counties and their neighbors across the river.