Jackson is about 2 times smaller than Columbus.

Columbus is approximately 574 sq km, while Jackson (map shows its 125 named neighbourhoods; the area covers the whole city) is approximately 289 sq km, making Jackson 50.41% the size of Columbus.
Tip: This to-scale comparison of Columbus vs. Jackson uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.