Residential delivery area · Minnesota
ZIP Code 55811: Duluth, MN
ZIP code 55811 uses the postal name Duluth, Minnesota and lies entirely in St. Louis County (Census 2020 ZIP-county file). About 28,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Duluth's 11 residential ZIP codes. Median household income is $79,804 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Hermantown (37%) and Duluth (28%); 35% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
Where is ZIP code 55811?
55811 centers on 46.839°, -92.222° and covers 64.5 square miles of land plus 0.8 of water. It borders 8 ZIP codes: 55814, 55810, 55806, 55805, 55812, 55807, 55779, 55803.
The map draws ZIP code areas only. For the streets inside 55811, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 55811 compare with the rest of Duluth?
| Measure | 55811 | In Duluth | In St. Louis County | In MN |
|---|---|---|---|---|
| People (ACS 2020-2024) | 28,118 | 1st of 11 | 1st of 51 | 64th of 881 |
| Median household income | $80k | 4th of 9 | 7th of 31 | 287th of 545 |
| Median home value | $321k | 4th of 10 | 5th of 32 | 193rd of 558 |
Its median household income is higher than in 62% of U.S. residential ZIP codes, and it is denser than 71% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 55811?
The 2020 Census counted 27,761 people in 55811; the ACS, which samples households over 2020-2024, estimates 28,118. Between the 2010 and 2020 censuses its population grew 5.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 28,118
- 2020 Census count
- 27,761+5.8% since 2010 (26,246)
- Households
- 11,247
- Median age
- 38.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 55811?
Of the 28,118 people the ACS estimates in 55811, 18.9% are under 18 and 21.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (90.9%).
- Under 1818.9%
- 18 to 6459.4%
- 65 and older21.7%
- White, not Hispanic90.9%
- Other or two or more4.2%
- Hispanic or Latino2.4%
- Asian, not Hispanic1.6%
- Black, not Hispanic1.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 55811 earn?
Median household income is $79,804 (ACS 2020-2024), the 7th highest of the 31 ranked ZIP codes in St. Louis County. It is not measurably different from 2015-2019 ($83,713 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $79,804
- Income per person
- $49,006
- Below the poverty line
- 11.5%
- Unemployed (of the labor force)
- 3.9%
- Adults 25+ with a bachelor's degree
- 42.7%
- Adjusted gross income per tax return, 2022
- $87,79512,850 returns; wages 64% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 55811?
FHFA's house price index for 55811, built from repeat sales and appraisals of the same homes, rose 79% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +4.9% in 2025.
- Median home value (owners' estimate)
- $321,000
- Median gross rent
- $1,392
- Homes owned by their occupants
- 69.0%
- Housing units
- 11,701
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 55811?
953 business establishments had a location in this ZIP code in 2023, 22 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade208
- Health care and social assistance172
- Other services (except public administration)124
- Accommodation and food services82
- Construction75
- Finance and insurance56
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 55811?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 55814 | Duluth | 319 | – | 1.2 mi |
| 55810 | Duluth | 8,285 | $85k | 6.1 mi |
| 55806 | Duluth | 9,356 | $43k | 6.6 mi |
| 55805 | Duluth | 10,602 | $43k | 6.7 mi |
| 55812 | Duluth | 10,859 | $66k | 7.4 mi |
| 55807 | Duluth | 9,763 | $62k | 7.6 mi |
| 55779 | Saginaw | 3,905 | $94k | 11.8 mi |
| 55803 | Duluth | 17,662 | $106k | 15.3 mi |
| 55802 | Duluth | 2,399 | $52k | 8.4 mi (near) |
| 55733 | Esko | 5,139 | $118k | 10.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.