Quote:
Originally Posted by InlandEmpire
Was checking out CSA population numbers on the Wiki- looks like Boise is at 770k while Spokane-CDA is at 710k. Wonder how that works our density wise since Boise’s CSA stretches 100 miles versus Spokane’s 35 or so.
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The Spokane CSA (Spokane, Stevens, and Pend Oreille Counties in WA and Kootenai County, ID) covers 6886 square miles, and has a population density of 103 people per sq/mi.
The Boise CSA (Ada, Boise, Canyon, Elmore, Gem, Owyhee, and Payette Counties in ID, and Malhuer County in OR) covers 22,173 square miles, and has a population density of 34 people per sq/mi.
What makes the Boise CSA seem so sparse compared to the Spokane CSA is the inclusion of Owyhee and Malhuer counties. While these two counties add 17,626 square miles, and by themselves are 2.5 times the area of the Spokane CSA, they add fewer than 43,000 people.
In other words, Owyhee and Malhuer counties make up over 79% of the land area of the Boise CSA, but only contain 5% of the population. Hence the much lower population density of the Boise CSA.