ZIP code 55121
Where is ZIP code 55121?
Saint Paul, Minnesota
Dakota County · Standard ZIP code
ZIP code 55121 belongs to Saint Paul, Minnesota in Dakota County. 55121 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area codes 651 and 952. About 9,198 people live in the 55121 area, where the median household income is $87,152. The closest ZIP codes are 55120 (Saint Paul, 2.3 mi north), 55123 (Saint Paul, 3 mi southeast) and 55150 (Mendota, 3 mi north).
| ZIP code | 55121 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Saint Paul |
| Also accepted | Eagan |
| State | Minnesota (MN) |
| County | Dakota County |
| Time zone | Central Time · now |
| Area codes | 651, 952 |
| Coordinates | 44.8422, -93.168 map |
| 3-digit prefix | 551 |
Population and income in 55121
| Population | 9,198 · higher than 79% of Minnesota ZIP codes |
|---|---|
| People per square mile | 957 · higher than 86% of Minnesota ZIP codes |
| Median age | 37.2 years · lower than 80% of Minnesota ZIP codes |
| Men / women | 52% / 48% |
| Median household income | $87,152 · higher than 67% of Minnesota ZIP codes |
| Income per person | $51,298 |
| Below the poverty line | 6.0% |
| Bachelor’s degree or higher | 44% of adults 25+ |
| Median home value | $301,400 · higher than 70% of Minnesota ZIP codes |
| Median rent | $1,723 a month |
| Housing units | 4,397 |
| Households | 4,199 (2.17 people on average) |
| Owners / renters | 41% / 59% |
| Land area | 9.61 sq mi (plus 0.87 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 55121. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 55121
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 55120 | Saint Paul, MN | 2.3 mi N | Standard |
| 55123 | Saint Paul, MN | 3 mi SE | Standard |
| 55150 | Mendota, MN | 3 mi N | PO Box only |
| 55122 | Saint Paul, MN | 3.1 mi SW | Standard |
| 55111 | Saint Paul, MN | 3.2 mi NW | Standard |
| 55425 | Minneapolis, MN | 3.3 mi W | Standard |
| 55450 | Minneapolis, MN | 3.7 mi NW | Standard |
| 55077 | Inver Grove Heights, MN | 3.8 mi E | Standard |
| 55118 | Saint Paul, MN | 4.1 mi NE | Standard |
| 55423 | Minneapolis, MN | 4.9 mi NW | Standard |
| 55116 | Saint Paul, MN | 5 mi N | Standard |
| 55420 | Minneapolis, MN | 5.4 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 55121 or measure the distance to another ZIP code.
How to address mail to 55121
123 MAIN ST
SAINT PAUL MN 55121
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts EAGAN as the city name for 55121. Adding the 4-digit ZIP+4 code (55121-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Saint Paul, MN
- 55101
- 55102
- 55103
- 55104
- 55105
- 55106
- 55107
- 55108
- 55109
- 55110
- 55111
- 55112
- 55113
- 55114
- 55115
- 55116
- 55117
- 55118
- 55119
- 55120
- 55122
- 55123
- 55124
- 55125
- 55126
- 55127
- 55128
- 55129
- 55130
- 55131
- 55133
- 55144
- 55145
- 55146
- 55155
- 55164
- 55170
All Saint Paul ZIP codes with population and income →
Questions
- What city is ZIP code 55121?
- 55121 is a Saint Paul, Minnesota ZIP code. Eagan is also accepted as the city name.
- What county is 55121 in?
- ZIP code 55121 is in Dakota County, Minnesota.
- What time zone is ZIP code 55121 in?
- 55121 is in the Central Time zone (America/Chicago).
- What area code is 55121?
- Phone numbers in ZIP code 55121 use area codes 651 and 952.
- What is the population of ZIP code 55121?
- About 9,198 people live in ZIP code 55121, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 55121?
- The median household income in 55121 is $87,152 a year, higher than 67% of Minnesota ZIP codes.
- What ZIP codes are near 55121?
- The nearest ZIP codes to 55121 are 55120 (Saint Paul, 2.3 miles), 55123 (Saint Paul, 3 miles), 55150 (Mendota, 3 miles) and 55122 (Saint Paul, 3.1 miles).