> They are if they're in an urban environment (which is 80% of the population of the United States). About 40% of the US population lives in a coastal county:

> They are if they're in an urban environment (which is 80% of the population of the United States). About 40% of the US population lives in a coastal county: * https://coast.noaa.gov/states/fast-facts/economics-and-demographics.html https://coast.noaa.gov/states/fast-facts/economics-and-demog... About two-thirds (66%) of the US population lives with-in 100 miles (150km) of the border: * https://www.aclu.org/news/immigrants-rights/your-rights-border-zone https://www.aclu.org/news/immigrants-rights/your-rights-bord... The US population is more concentrated than many people realize.