MAPPING POPULATION DENSITY How to make a choropleth

MAPPING POPULATION DENSITY How to make a choropleth map Mr. Barter | www. mrbarter. wordpress. com Geography 8

TODAY’S BIG IDEAS: Population density describes how many people live within a city, country, or region There are three different kinds of population distribution: regular, irregular, and clustered Choropleth maps are a type of thematic map, which helps us to understand population distribution Mr. Barter | www. mrbarter. wordpress. com Geography 8

POPULATION DENSITY Canada § 4 people / km 2 § ~35, 000 people Bermuda § 1, 304 people / km 2 § ~65, 000 people The United States of America § 35 people / km 2 § ~319, 000 people Mr. Barter | www. mrbarter. wordpress. com Geography 8

BUT WAIT! Is this what Canada’s population distribution looks like? 2 km? Mr. Barter | www. mrbarter. wordpress. com Geography 8

POPULATION DISTRIBUTION Mr. Barter | www. mrbarter. wordpress. com Geography 8

CHOROPLETH MAPS Mr. Barter | www. mrbarter. wordpress. com Geography 8

POPULATION DISTRIBUTIONS: Clustered (aggregated) Mr. Barter | www. mrbarter. wordpress. com Regular (uniformed) Irregular (random) Geography 8

HOW TO DO IT: Identify the location § Ex. Toronto Identify the population size § ~6, 000 Decide the scale § 1 dot = 50, 000 people Do the math For your map work in groups to: § 6, 000/50, 000 = 120 dots Put the dots on the map § Close together, but with enough space that you can see there are distinct dots Mr. Barter | www. mrbarter. wordpress. com • • Label each province and territory Locate and mark each city from your census tables Then complete the rest of the choropleth map on your own Geography 8

TODAY’S BIG IDEAS: Population density describes how many people live within a city, country, or region There are three different kinds of population distribution: regular, irregular, and clustered Choropleth maps are a type of thematic map, which helps us to understand population distribution Mr. Barter | www. mrbarter. wordpress. com Geography 8