Residential delivery area · Minnesota
ZIP Code 55804: Duluth, MN
ZIP code 55804 uses the postal name Duluth, Minnesota and lies entirely in St. Louis County (Census 2020 ZIP-county file). About 16,000 people live there (Census Bureau, ACS 2020-2024), the 3rd most populous of Duluth's 11 residential ZIP codes. Median household income is $111,228 (Census Bureau, ACS 2020-2024). By Census place, 11% of its land lies in Duluth; 89% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
Where is ZIP code 55804?
55804 centers on 46.931°, -91.936° and covers 94.1 square miles of land plus 10.8 of water. It borders 4 ZIP codes: 55609, 55803, 55812, 55616.
The map draws ZIP code areas only. For the streets inside 55804, 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 55804 compare with the rest of Duluth?
| Measure | 55804 | In Duluth | In St. Louis County | In MN |
|---|---|---|---|---|
| People (ACS 2020-2024) | 15,922 | 3rd of 11 | 5th of 51 | 126th of 881 |
| Median household income | $111k | 1st of 9 | 1st of 31 | 81st of 545 |
| Median home value | $315k | 5th of 10 | 6th of 32 | 207th of 558 |
Its median household income is higher than in 87% of U.S. residential ZIP codes, and it is denser than 61% 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 55804?
The 2020 Census counted 15,471 people in 55804; the ACS, which samples households over 2020-2024, estimates 15,922. Between the 2010 and 2020 censuses its population grew 6.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 15,922
- 2020 Census count
- 15,471+6.0% since 2010 (14,592)
- Households
- 6,303
- Median age
- 40.9
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 55804?
Of the 15,922 people the ACS estimates in 55804, 22.0% are under 18 and 18.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.3%).
- Under 1822.0%
- 18 to 6459.2%
- 65 and older18.7%
- White, not Hispanic93.3%
- Other or two or more4.3%
- Asian, not Hispanic1.2%
- Hispanic or Latino0.8%
- Black, not Hispanic0.4%
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 55804 earn?
Median household income is $111,228 (ACS 2020-2024), the highest of the 31 ranked ZIP codes in St. Louis County. It rose from $102,883 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $111,228
- Income per person
- $55,130
- Below the poverty line
- 6.3%
- Unemployed (of the labor force)
- 1.9%
- Adults 25+ with a bachelor's degree
- 52.6%
- Adjusted gross income per tax return, 2022
- $104,7117,680 returns; wages 65% 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 55804?
FHFA's house price index for 55804, built from repeat sales and appraisals of the same homes, rose 80% from 2015 to 2025 and rose 47% from 2020 to 2025, and moved +4.5% in 2025.
- Median home value (owners' estimate)
- $315,300
- Median gross rent
- $1,435
- Homes owned by their occupants
- 86.7%
- Housing units
- 6,838
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 55804?
225 business establishments had a location in this ZIP code in 2023, 26 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance43
- Construction42
- Retail trade23
- Other services (except public administration)22
- Professional, scientific, and technical services19
- Real estate and rental and leasing15
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 55804?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 55609 | Knife River | 131 | $78k | 7.4 mi |
| 55803 | Duluth | 17,662 | $106k | 9.6 mi |
| 55812 | Duluth | 10,859 | $66k | 10.6 mi |
| 55616 | Two Harbors | 7,250 | $76k | 24.9 mi |
| 55805 | Duluth | 10,602 | $43k | 11.7 mi (near) |
| 55802 | Duluth | 2,399 | $52k | 13.5 mi (near) |
| 55814 | Duluth | 319 | – | 14.0 mi (near) |
| 55806 | Duluth | 9,356 | $43k | 14.5 mi (near) |
| 55811 | Duluth | 28,118 | $80k | 14.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.