Houston is about 6 times bigger than Jackson.

Jackson (map shows its 125 named neighbourhoods; the area covers the whole city) is approximately 289 sq km, while Houston is approximately 1,659 sq km, making Houston 473% larger than Jackson.
Tip: This to-scale comparison of Jackson vs. Houston 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.