Killeen and Norman have a similar cost of living.
When comparing Killeen, TX and Norman, OK, the overall cost of living indices are 75 and 76 respectively (national median = 100). Rent is $83/month cheaper in Norman, saving renters about $996/year.
Median household income is $6,721/year higher in Norman. Home values also differ significantly — the median in Killeen is $196,000 compared to $239,300 in Norman.
Texas has no state income tax, giving Killeen residents a significant tax advantage over Oklahoma's 4.75% rate.
Killeen vs Norman — common questions
Other cost of living comparisons for Killeen and Norman