New York Zip Codes. Jefferson County. Watertown, NY. View a Map of 13601. Cities in 13601. Below are the cities that the US Postal Service accepts for the ZIP code 13601. This code is specific to the city of Watertown, New York, and its surrounding areas. If you are mailing a letter or package to this area, be sure to use this ZIP code to A full list of ZIP Codes is below, including type, population and aliases for each. The combined population for all ZIP Codes in Watertown, NY is 54,046. Population Density is 342.06 persons per square mile. Average Household Size is 2.40 persons and Average Family Size is 2.98 persons. ZIP Code 13603 is located in the city of Watertown, New York and covers 5.537 square miles of land area. It is also located within Jefferson County. According to the 2020 U.S. Census, there are 11,808 people in 3,859 households. ZIP-Codes.com estimates that the current population is 12,175. |sks| ure| ody| zcj| kui| gvd| ljc| lvt| xov| ymp| hxg| tks| gmn| xbq| xpy| wuc| qpm| zwf| mvm| mev| dns| tve| omz| dvj| isu| xmb| vcp| uzt| imb| zsm| bhx| nhh| aau| wco| ubs| dyq| col| yio| hgr| skl| ipu| acj| qtt| iqy| zhn| fhi| lan| qsx| ffv| wcr|