Residential delivery area · Minnesota
ZIP Code 55707: Barnum, MN
ZIP code 55707 uses the postal name Barnum, Minnesota and lies entirely in Carlton County (Census 2020 ZIP-county file). About 3,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $82,167 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Mahtowa (5%) and Barnum (under 1%); 94% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Barnum · its only residential ZIP
- County
- Carlton County
- Census places
- Mahtowa (5%) census-designated place; Barnum (under 1%)
- Metro area
- Duluth, MN-WI
- House district
- MN-8 119th Congress
- State
- Minnesota
- Time zone
- Central
- Land area
- 155.2 sq mi · 22 people per sq mi
Where is ZIP code 55707?
55707 centers on 46.552°, -92.636° and covers 155.2 square miles of land plus 2.9 of water. It borders 9 ZIP codes: 55718, 55780, 55767, 55726, 55749, 55756, 55797, 55720, 55757.
The map draws ZIP code areas only. For the streets inside 55707, 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 55707 compare with the rest of Carlton County?
| Measure | 55707 | In Carlton County | In MN |
|---|---|---|---|
| People (ACS 2020-2024) | 3,470 | 5th of 15 | 308th of 881 |
| Median household income | $82k | 6th of 9 | 270th of 545 |
| Median home value | $246k | 6th of 9 | 338th of 558 |
Its median household income is higher than in 65% of U.S. residential ZIP codes, and it is denser than 28% 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 55707?
The 2020 Census counted 3,386 people in 55707; the ACS, which samples households over 2020-2024, estimates 3,470. Between the 2010 and 2020 censuses its population fell 1.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,470
- 2020 Census count
- 3,386−1.6% since 2010 (3,440)
- Households
- 1,376
- Median age
- 44.2
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 55707?
Of the 3,470 people the ACS estimates in 55707, 24.1% are under 18 and 21.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.5%).
- Under 1824.1%
- 18 to 6454.5%
- 65 and older21.4%
- White, not Hispanic92.5%
- Other or two or more5.8%
- Asian, not Hispanic0.9%
- Hispanic or Latino0.7%
- Black, not Hispanic0.1%
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 55707 earn?
Median household income is $82,167 (ACS 2020-2024), the 6th highest of the 9 ranked ZIP codes in Carlton County. It is not measurably different from 2015-2019 ($84,781 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $82,167
- Income per person
- $37,283
- Below the poverty line
- 9.4%
- Unemployed (of the labor force)
- 4.5%
- Adults 25+ with a bachelor's degree
- 24.2%
- Adjusted gross income per tax return, 2022
- $65,6521,680 returns; wages 76% 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 55707?
FHFA's house price index for 55707, built from repeat sales and appraisals of the same homes, rose 95% from 2015 to 2025 and rose 63% from 2020 to 2025, and moved +16.2% in 2025.
- Median home value (owners' estimate)
- $246,400
- Median gross rent
- $920
- Homes owned by their occupants
- 86.4%
- Housing units
- 1,670
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 55707?
56 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction13
- Other services (except public administration)11
- Accommodation and food services6
- Retail trade5
- Transportation and warehousing5
- Administrative and support and waste management and remediation services3
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 55707?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 55718 | Carlton | 3,111 | $97k | 8.6 mi |
| 55780 | Sawyer | 277 | $76k | 8.8 mi |
| 55767 | Moose Lake | 4,582 | $79k | 9.7 mi |
| 55726 | Cromwell | 1,087 | $80k | 11.3 mi |
| 55749 | Holyoke | 532 | $78k | 12.0 mi |
| 55756 | Kerrick | 309 | $56k | 12.3 mi |
| 55797 | Wrenshall | 1,457 | $87k | 13.1 mi |
| 55720 | Cloquet | 17,448 | $64k | 14.6 mi |
| 55757 | Kettle River | 739 | $62k | 14.9 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.