Free forever Calculate score
Part of: Types of Maps

Cartogram Maps — definition, examples, and uses.

Areas distorted to reflect a variable, not geography. A short, AP-focused guide to one of the most-tested map types on the exam.

7 min readUpdated May 2026
Color scale (5 classes)
LowMedianHigh

Cartogram Maps, defined

Cartogram Maps: Areas distorted to reflect a variable, not geography. On the AP HuG exam, this map type tests whether you can read what is encoded — not just identify the type by name.

Examples

Three AP-relevant examples:

Electoral college
States resized by electoral votes
Population cartograms
Areas distorted by people, not km²
GDP cartograms
Country size = economic output

Pros and cons

StrengthWeakness
Cartogram Maps is good for showing where this fits in the AP toolkit.Like every map type, it has weaknesses the AP exam loves to test.
Pairs well with a clear legend.Choice of color scale can mislead.

Cartogram Maps vs. other map types

This map type lives in a family of thirteen. Knowing when to use each — and when each misleads — is what the AP HuG exam actually tests.

Frequently asked questions

Quick answers — written by humans, not a chatbot.

Is the Cartogram Map a thematic or reference map?

Thematic if it visualizes a variable; reference if it just shows what is where. Most AP-relevant map types are thematic.

How often does the Cartogram Map appear on the AP HuG exam?

It varies by year. Plan to recognize all 13 types; only a handful appear as primary stimulus per exam, but any of them can show up in MCQ stems.

What is the most common AP exam trap with Cartogram Maps?

Confusing this map type with a similar one (e.g., choropleth vs. graduated symbol). The trap is in the legend — read it before answering.

Related

Keep exploring.

Scroll to Top