What city is ZIP code 56540?

ZIP code 56540 is in Fertile, MN (Polk County).

What county is ZIP code 56540 in?

ZIP code 56540 is mostly in Polk County, Minnesota.

How many people live in ZIP code 56540?

About 1,891 people live in the 56540 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 56540

Fertile, MN, Polk County

Population

1,891

Land area

173.7sq mi

People per sq mi

City

Fertile

ZIP 56540 and nearby ZIP codes

Full map

ZIP 56540 at a glance

ZIP 56540 (Fertile) is 85% less dense than Minnesota as a whole.
The median household income is $83,646, 6% below the Minnesota median of $89,062.
A typical owner-occupied home is valued at $194,800 (41% below Minnesota) and median rent is $815 a month.

Local data for ZIP 56540

Counts from official public data

Housing and community stats

ZIP 56540, American Community Survey 2020-2024

Full profile

Median household income

$83,646

Poverty rate

10.0%

Median home value

$194,800

Prices +19.6% in a year

Median rent

$815/mo

Homeownership

83.4%

Bachelor's or higher

27.8%

Median age

44.1

Average commute

22.9 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

293

$10.6M annual payroll

PPP loans

$5.2M

230 loans

Campaign donations

$22.5K

34% D, 18% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 56540, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: winter weather

Storm events since 1996

1,375

Countywide, mostly hail

Flood insurance policies

102

0.5% of homes, county

July high / Jan low

81° / -4°F

25.0 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 56540, CDC PLACES estimates

All 40 measures

Obesity

38.2%

U.S. 33.3% +4.9 pts

Diabetes

11.6%

U.S. 12.1% -0.5 pts

Smoking

15.3%

U.S. 12.8% +2.5 pts

Uninsured (18-64)

7.1%

U.S. 11.1% -4.0 pts

Frequently asked questions

What city is ZIP code 56540?: ZIP code 56540 is in Fertile, MN (Polk County).
What county is ZIP code 56540 in?: ZIP code 56540 is mostly in Polk County, Minnesota.
How many people live in ZIP code 56540?: About 1,891 people live in the 56540 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.