Residential delivery area · Minnesota
ZIP Code 56540: Fertile, MN
ZIP code 56540 uses the postal name Fertile, Minnesota and lies mostly in Polk County (73% of its land) with the rest in Norman County (Census 2020 ZIP-county file). About 1,900 people live there (Census Bureau, ACS 2020-2024). Median household income is $83,646 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Fertile; 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Fertile · its only residential ZIP
- County
- Polk County (73%); Norman County (27%)
- Census places
- Fertile
- Metro area
- Grand Forks, ND-MN
- House district
- MN-7 119th Congress
- State
- Minnesota
- Time zone
- Central
- Land area
- 173.7 sq mi · 11 people per sq mi
Where is ZIP code 56540?
56540 centers on 47.540°, -96.274° and covers 173.7 square miles of land plus 3.3 of water. It borders 8 ZIP codes: 56545, 56736, 56592, 56517, 56535, 56516, 56510, 56716.
The map draws ZIP code areas only. For the streets inside 56540, 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 56540 compare with the rest of Polk County?
| Measure | 56540 | In Polk County | In MN |
|---|---|---|---|
| People (ACS 2020-2024) | 1,891 | 8th of 25 | 427th of 881 |
| Median household income | $84k | 1st of 10 | 253rd of 545 |
| Median home value | $195k | 5th of 10 | 446th of 558 |
Its median household income is higher than in 66% of U.S. residential ZIP codes, and it is denser than 18% 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 56540?
The 2020 Census counted 1,919 people in 56540; the ACS, which samples households over 2020-2024, estimates 1,891. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,891
- 2020 Census count
- 1,919
- Households
- 735
- Median age
- 44.1
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 56540?
Of the 1,891 people the ACS estimates in 56540, 23.2% are under 18 and 23.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (96.3%).
- Under 1823.2%
- 18 to 6453.5%
- 65 and older23.3%
- White, not Hispanic96.3%
- Other or two or more3.3%
- Hispanic or Latino0.3%
- 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 56540 earn?
Median household income is $83,646 (ACS 2020-2024), the highest of the 10 ranked ZIP codes in Polk County.
- Median household income
- $83,646±$10,244
- Income per person
- $37,531
- Below the poverty line
- 10.0%
- Unemployed (of the labor force)
- 5.4%
- Adults 25+ with a bachelor's degree
- 27.8%
- Adjusted gross income per tax return, 2022
- $77,375930 returns; wages 58% 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 56540?
- Median home value (owners' estimate)
- $194,800
- Median gross rent
- $815
- Homes owned by their occupants
- 83.4%
- Housing units
- 823
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 56540?
55 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade14
- Construction9
- Transportation and warehousing6
- Other services (except public administration)6
- Wholesale trade3
- Accommodation and food 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 56540?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 56545 | Gary | 676 | $85k | 10.0 mi |
| 56736 | Mentor | 687 | $95k | 11.8 mi |
| 56592 | Winger | 550 | $59k | 12.4 mi |
| 56517 | Beltrami | 255 | $93k | 13.3 mi |
| 56535 | Erskine | 1,307 | $66k | 14.4 mi |
| 56516 | Bejou | 352 | $69k | 15.6 mi |
| 56510 | Ada | 2,292 | $70k | 17.2 mi |
| 56716 | Crookston | 8,903 | $60k | 19.2 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.