ZIP Code 55803

ZIP code 55803, on the northern edge of Duluth, sits solidly in upper-middle-income territory, with a median household income of $105,888 and per-capita income of $52,502. Homes here carry a median value of $336,000, and the county-level property tax rate of 1.03% means owners pay roughly $3,460 annually on a house at that price. Add an 8.88% combined sales tax on purchases, and the overall tax picture reflects a comfortable but not wealthy community — earnings well above national norms, paired with a steady, ongoing tax load.