### Question
What does population density mean?


### Answer
**Population density** has the following meaning in *6 U.S.C. § 601*:

> population divided by land area in square miles

#### Citation:
  - *6 U.S.C. § 601*
  - Heading: **CHAPTER 1-HOMELAND SECURITY ORGANIZATION > SUBCHAPTER XV-HOMELAND SECURITY GRANTS**

