ZIP code 78164 is officially located in the state of Texas, primarily serving the city of Yorktown. It falls under the administrative jurisdiction of DeWitt County. When planning mail delivery, logistics routing, or demographic research, 78164 operates within the Central Time (CT) timezone and supports the 279 area codes.
According to the latest US Census Bureau and American Community Survey (ACS) datasets, the total population residing within the 78164 ZIP Code Tabulation Area is approximately 26,179. Understanding local economics is critical for market analysis; the median household income in this postal area sits at $128,164.