We're the same height and close to the same weight, and I too have that perma-muffin top! My tummy is at least 2 sizes bigger than the rest of me, which can make finding clothes that fit properly rather difficult (especially jeans). I would look much more slim and balanced if my tummy matched the rest of me!
Like the others, I too recommend shapewear. I picked one of these
up at Target last year, which helps smooth and tame the tummy a bit. I only wear it when I need that extra smoothing, though. It actually helps a lot with empire waists, at least for me! Regardless, I have to be careful of which pants I wear with which tops.
If the shapewear ends up working for you, wear it on your shopping trips so you can try on different types of shirts to see what disguises it best.