Killeen is 14% more expensive than McAllen.
When comparing Killeen, TX and McAllen, TX, the overall cost of living indices are 75 and 66 respectively (national median = 100). Rent is $130/month cheaper in McAllen, saving renters about $1,560/year.
Median household income is $1,826/year higher in McAllen. Home values also differ significantly — the median in Killeen is $196,000 compared to $173,800 in McAllen.
Both cities share the same state tax structure since they are in Texas.
Killeen vs McAllen — common questions
Other cost of living comparisons for Killeen and McAllen