What city is ZIP code 55121?

ZIP code 55121 is in Eagan, MN (Dakota County).

What county is ZIP code 55121 in?

ZIP code 55121 is mostly in Dakota County, Minnesota.

How many people live in ZIP code 55121?

About 9,198 people live in the 55121 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 55121

Eagan, MN, Dakota County

Population

9,198

Land area

9.6sq mi

People per sq mi

957

City

Eagan

ZIP 55121 and nearby ZIP codes

Full map

ZIP 55121 at a glance

ZIP 55121 (Eagan) is about 13 times as dense as Minnesota as a whole.
The median household income is $87,152, close to the Minnesota median.
A typical owner-occupied home is valued at $301,400 (8% below Minnesota) and median rent is $1,723 a month.

Local data for ZIP 55121

Counts from official public data

Housing and community stats

ZIP 55121, American Community Survey 2020-2024

Full profile

Median household income

$87,152

Poverty rate

6.0%

Median home value

$301,400

Prices -0.2% in a year

Median rent

$1,723/mo

Homeownership

41.1%

Bachelor's or higher

44.4%

Median age

37.2

Average commute

19.9 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

852

ZIP Business Patterns 2023

Employees

33,227

$2.9B annual payroll

PPP loans

$166M

586 loans

Campaign donations

$166K

14% D, 9% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 55121, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: strong wind

Storm events since 1996

757

Countywide, mostly hail

Flood insurance policies

161

0.1% of homes, county

July high / Jan low

83° / 9°F

31.6 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 55121, CDC PLACES estimates

All 40 measures

Obesity

35.3%

U.S. 33.3% +2.0 pts

Diabetes

9.4%

U.S. 12.1% -2.7 pts

Smoking

12.2%

U.S. 12.8% -0.6 pts

Uninsured (18-64)

8.0%

U.S. 11.1% -3.1 pts

Frequently asked questions

What city is ZIP code 55121?: ZIP code 55121 is in Eagan, MN (Dakota County).
What county is ZIP code 55121 in?: ZIP code 55121 is mostly in Dakota County, Minnesota.
How many people live in ZIP code 55121?: About 9,198 people live in the 55121 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.