55803 ZIP Code, Duluth, MN

55803 is a ZIP code in Duluth, Minnesota in St. Louis County. It covers 295 square miles of land. The closest ZIP codes are 55804, 55609 and 55717. 17,662 people live here in 7,528 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (84%). Median household income is $105,888, above the Minnesota median of $89,062; the median age is 45.0, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents17,662
Households7,528
Median household income$105,888
Income per person$52,502
Median age45
Homeowners83.5%
Median home value$336,000
Median rent$1,586
Bachelor's degree or higher51.8%
Average commute (minutes)22.4
Households with kids under 1823.8%
Moved in the past year10.3%
Below the poverty line6.9%
Broadband internet88.9%
Speak a non-English language at home2.8%

Household income

% of householdsValue
<$10K3.8%
$10–15K1.8%
$15–25K3.1%
$25–35K6.4%
$35–50K6.5%
$50–75K11.9%
$75–100K13.2%
$100–150K23.0%
$150–200K16.8%
$200K+13.5%

Age

% of all residentsValue
<1011.1%
10–199.9%
20–246.6%
25–348.9%
35–4413.5%
45–5410.8%
55–6415.8%
65–7414.5%
75+8.9%

Tenure

% of housing unitsValue
Owned, with mortgage46.7%
Owned outright27.2%
Rented14.3%
Vacant11.8%

Type of building

% of housing unitsValue
Detached house88.2%
Townhome0.6%
2–4 units0.4%
5–19 units0.4%
20+ units7.5%
Mobile / other2.9%

Businesses in 55803

298 business establishments with 2,768 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 55803 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 55803

Where it ranks

Mail every home in 55803

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 55803, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 55803 in?
55803 is a Duluth, MN mailing address. By land area, 11% lies inside Rice Lake and 3% lies inside Duluth; the rest is outside any Census-defined city or community.
What county is 55803 in?
55803 is in St. Louis County.
What is the population of 55803?
About 17,662 people (±803), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 17,796.
What is the median household income in 55803?
$105,888 (±$7,527), compared with $89,062 for Minnesota as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 55803?
EDDM2GO's stored route library does not include 55803 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 55803?
The closest, measured center to center: 55804 (9.6 mi, Duluth), 55609 (14.2 mi, Knife River), 55717 (15 mi), 55814 (15 mi, Hermantown), 55811 (15.3 mi, Hermantown) and 55812 (15.6 mi, Duluth).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.