thinQmaster Virtual testing partner Adaptive practice exams that find your weak spots and drill them. Every answer explained. From $69
Enroll

thinQmaster

Find your exam

Five questions free, before you decide.

Step 1 · choose a vendor

In one of our camps? Your practice exams come with the tuition — they are on your study page already.

Data & Analytics · Intermediate

Choropleth Map

A map that shades geographic regions by a data value.

Definition

Choropleths should use rates or normalized values (such as per capita) rather than raw counts, because large regions dominate visually. Tableau calls them filled maps.

Example

Unemployment rate by county.

Exam tip

Map rates, not raw totals, on a choropleth; otherwise you mostly map population.

Related terms