What Is the population difference between Boston Chicago Houston and San Francisco?

The populations of Boston, Chicago, Houston, and San Francisco as of 2021 are:

- Boston: 675,647

- Chicago: 2,746,388

- Houston: 2,304,580

- San Francisco: 815,201

The population differences are:

- Boston - Chicago: 2,070,741

- Boston - Houston: 1,628,933

- Boston - San Francisco: 139,554

- Chicago - Houston: 441,808

- Chicago - San Francisco: 1,931,187

- Houston - San Francisco: 1,489,379