Explore the most up-to-date Marathon County zip code map, highlighting neighborhoods, boundaries, and key locations. With a total of 29 zip codes, Marathon County is home to 137,820 residents. The county has a median home value of $194,500 and a median household income of $73,248. Below, you’ll find additional key statistics that offer a snapshot of the area.
There are a total of 29 zip codes in Marathon County. Use the interactive map above to view the boundaries for each one.
Complete list of ZIP codes in the area: 54401, 54403, 54405, 54408, 54409, 54411, 54412, 54414, 54417, 54421, 54425, 54426, 54427, 54440, 54443, 54448, 54449, 54451, 54452, 54455, 54471, 54473, 54474, 54476, 54479, 54480, 54484, 54488, 54499.