Residential delivery area · North Dakota
ZIP Code 58237: Grafton, ND
ZIP code 58237 uses the postal name Grafton, North Dakota and lies entirely in Walsh County (Census 2020 ZIP-county file). About 5,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $70,201 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Grafton (1%), Auburn (under 1%) and Nash (under 1%); 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Grafton · its only residential ZIP
- County
- Walsh County
- Census places
- Grafton (1%); Auburn (under 1%) census-designated place; Nash (under 1%) census-designated place
- House district
- ND at large 119th Congress
- State
- North Dakota
- Time zone
- Central
- Land area
- 250.3 sq mi · 20 people per sq mi
Where is ZIP code 58237?
58237 centers on 48.415°, -97.401° and covers 250.3 square miles of land plus 0.9 of water. It borders 8 ZIP codes: 58261, 58243, 58273, 58276, 58225, 58270, 56744, 56757.
The map draws ZIP code areas only. For the streets inside 58237, 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 58237 compare with the rest of Walsh County?
| Measure | 58237 | In Walsh County | In ND |
|---|---|---|---|
| People (ACS 2020-2024) | 4,994 | 1st of 16 | 22nd of 388 |
| Median household income | $70k | 2nd of 3 | 46th of 73 |
| Median home value | $156k | 2nd of 4 | 63rd of 82 |
Its median household income is higher than in 47% 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 58237?
The 2020 Census counted 5,269 people in 58237; the ACS, which samples households over 2020-2024, estimates 4,994. Between the 2010 and 2020 censuses its population fell 4.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 4,994
- 2020 Census count
- 5,269−4.2% since 2010 (5,499)
- Households
- 2,173
- Median age
- 42.2
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 58237?
Of the 4,994 people the ACS estimates in 58237, 22.9% are under 18 and 20.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (72.2%), then Hispanic or Latino (20.5%).
- Under 1822.9%
- 18 to 6456.2%
- 65 and older20.9%
- White, not Hispanic72.2%
- Hispanic or Latino20.5%
- Other or two or more4.3%
- Asian, not Hispanic1.5%
- Black, not Hispanic1.4%
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 58237 earn?
Median household income is $70,201 (ACS 2020-2024), the 2nd highest of the 3 ranked ZIP codes in Walsh County. It is not measurably different from 2015-2019 ($64,554 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $70,201±$10,896
- Income per person
- $33,157
- Below the poverty line
- 13.6%
- Unemployed (of the labor force)
- 0.7%
- Adults 25+ with a bachelor's degree
- 17.0%
- Adjusted gross income per tax return, 2022
- $76,2352,370 returns; wages 60% 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 58237?
FHFA's house price index for 58237, built from repeat sales and appraisals of the same homes, rose 87% from 2015 to 2025 and rose 57% from 2020 to 2025, and moved +8.6% in 2025.
- Median home value (owners' estimate)
- $155,500
- Median gross rent
- $736
- Homes owned by their occupants
- 68.2%
- Housing units
- 2,451
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 58237?
182 business establishments had a location in this ZIP code in 2023, 25 fewer than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)23
- Retail trade22
- Health care and social assistance20
- Construction18
- Finance and insurance17
- Wholesale trade15
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 58237?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 58261 | Minto | 1,442 | $79k | 12.5 mi |
| 58243 | Hoople | 502 | $86k | 14.5 mi |
| 58273 | Pisek | 139 | $53k | 14.5 mi |
| 58276 | Saint Thomas | 429 | $83k | 14.6 mi |
| 58225 | Drayton | 1,053 | $74k | 15.8 mi |
| 58270 | Park River | 1,816 | $70k | 18.0 mi |
| 56744 | Oslo, MN | 571 | $82k | 18.1 mi |
| 56757 | Stephen, MN | 861 | $81k | 23.4 mi |
| 58233 | Forest River | 265 | $84k | 16.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.