Residential delivery area · North Dakota
ZIP Code 58278: Thompson, ND
ZIP code 58278 uses the postal name Thompson, North Dakota and lies entirely in Grand Forks County (Census 2020 ZIP-county file). About 2,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $111,250 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Thompson; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Thompson · its only residential ZIP
- County
- Grand Forks County
- Census places
- Thompson
- Metro area
- Grand Forks, ND-MN
- House district
- ND at large 119th Congress
- State
- North Dakota
- Time zone
- Central
- Land area
- 105.4 sq mi · 21 people per sq mi
Where is ZIP code 58278?
58278 centers on 47.781°, -97.121° and covers 105.4 square miles of land plus 0.3 of water. It borders 6 ZIP codes: 58201, 58275, 58228, 56723, 56721, 58267.
The map draws ZIP code areas only. For the streets inside 58278, 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 58278 compare with the rest of Grand Forks County?
| Measure | 58278 | In Grand Forks County | In ND |
|---|---|---|---|
| People (ACS 2020-2024) | 2,168 | 4th of 22 | 44th of 388 |
| Median household income | $111k | 1st of 6 | 4th of 73 |
| Median home value | $313k | 1st of 7 | 11th of 82 |
Its median household income is higher than in 87% of U.S. residential ZIP codes, and it is denser than 26% 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 58278?
The 2020 Census counted 2,132 people in 58278; the ACS, which samples households over 2020-2024, estimates 2,168. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 2,168±284 (90% margin)
- 2020 Census count
- 2,132
- Households
- 799
- Median age
- 45.0
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 58278?
Of the 2,168 people the ACS estimates in 58278, 27.4% are under 18 and 11.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (91.9%).
- Under 1827.4%
- 18 to 6460.8%
- 65 and older11.8%
- White, not Hispanic91.9%
- Other or two or more7.2%
- Hispanic or Latino0.7%
- Asian, not Hispanic0.1%
- Black, not Hispanic0.0%
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 58278 earn?
Median household income is $111,250 (ACS 2020-2024), the highest of the 6 ranked ZIP codes in Grand Forks County.
- Median household income
- $111,250±$20,855
- Income per person
- $48,820
- Below the poverty line
- 4.1%
- Unemployed (of the labor force)
- 2.8%
- Adults 25+ with a bachelor's degree
- 41.1%
- Adjusted gross income per tax return, 2022
- $116,966970 returns; wages 69% 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 58278?
FHFA's house price index for 58278, built from repeat sales and appraisals of the same homes, rose 56% from 2015 to 2025 and rose 38% from 2020 to 2025, and moved +11.2% in 2025.
- Median home value (owners' estimate)
- $313,400
- Median gross rent
- $817
- Homes owned by their occupants
- 94.5%
- Housing units
- 843
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 58278?
41 business establishments had a location in this ZIP code in 2023, 9 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction10
- Other services (except public administration)5
- Retail trade4
- Health care and social assistance4
- Wholesale trade3
- Real estate and rental and leasing3
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 58278?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 58201 | Grand Forks | 42,373 | $68k | 6.0 mi |
| 58275 | Reynolds | 713 | $105k | 6.3 mi |
| 58228 | Emerado | 640 | $71k | 12.0 mi |
| 56723 | Fisher, MN | 838 | $106k | 14.7 mi |
| 56721 | East Grand Forks, MN | 10,679 | $83k | 15.3 mi |
| 58267 | Northwood | 1,569 | $88k | 23.6 mi |
| 58202 | Grand Forks | 2,865 | $30k | 9.9 mi (near) |
| 58203 | Grand Forks | 16,478 | $61k | 13.2 mi (near) |
| 58218 | Buxton | 873 | $92k | 13.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.