ZIP Code 57201

In ZIP code 57201, which covers Watertown, homes carry a median value of $242,700 while the county's effective property tax rate sits at 0.97%. That combination translates into roughly $2,354 in annual property taxes on a median-priced home. With median household income at $72,878, that tax bill equals about 3.2% of yearly earnings — a share that shapes how far a paycheck stretches alongside a 6.20% combined sales tax. Per-capita income of $39,752 adds another layer, since single earners face a tighter squeeze between mortgage costs and taxes than dual-income households do.