County ZIP codes · Minnesota · FIPS 27123
Ramsey County, MN ZIP Codes
Ramsey County, Minnesota has 33 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 21 residential and 12 for PO boxes or a single organization. 20 of the residential ones lie mainly in Ramsey County and 1 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $48,390 in 55103 to $117,917 in 55127 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Ramsey County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $70,187 and $86,792.
They carry 2 postal town names: Saint Paul, Minneapolis.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 21 residential ZIP codes in Ramsey County
20 ZIP codes lie mainly in Ramsey County; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 55106 | Saint Paul | 56,708 | 6,019 | $70k | $242k | 100% |
| 55104 | Saint Paul | 45,762 | 7,583 | $76k | $318k | 100% |
| 55112 | Saint Paul | 45,346 | 2,596 | $94k | $359k | 100% |
| 55117 | Saint Paul | 44,697 | 4,881 | $71k | $281k | 100% |
| 55119 | Saint Paul | 44,567 | 3,375 | $82k | $278k | 100% |
| 55113 | Saint Paul | 40,819 | 2,750 | $87k | $350k | 100% |
| 55110 | Saint Paul | 37,305 | 1,509 | $101k | $361k | 65% |
| 55109 | Saint Paul | 33,461 | 2,864 | $87k | $316k | 100% |
| 55105 | Saint Paul | 28,617 | 8,179 | $107k | $470k | 100% |
| 55126 | Saint Paul | 27,456 | 2,003 | $108k | $385k | 96% |
| 55116 | Saint Paul | 25,918 | 4,687 | $81k | $418k | 100% |
| 55102 | Saint Paul | 19,630 | 5,979 | $76k | $292k | 100% |
| 55127 | Saint Paul | 18,090 | 1,343 | $118k | $433k | 100% |
| 55130 | Saint Paul | 17,775 | 8,804 | $54k | $236k | 100% |
| 55107 | Saint Paul | 15,377 | 3,742 | $75k | $270k | 100% |
| 55108 | Saint Paul | 15,224 | 3,809 | $86k | $376k | 100% |
| 55103 | Saint Paul | 13,125 | 6,649 | $48k | $258k | 100% |
| 55101 | Saint Paul | 7,911 | 10,168 | $65k | $260k | 100% |
| 55114 | Saint Paul | 5,049 | 3,808 | $63k | $320k | 100% |
| 55155 | Saint Paul | no residents | 0 | – | – | 100% |
Partly in Ramsey County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 55421 | Minneapolis | 30,843 | 4,918 | $71k | $277k | 7% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
3 ZIP codes of Ramsey County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Ramsey | Elsewhere |
|---|---|---|
| 55110 | 65% | Washington County 31%; Anoka County 4% |
| 55421 | 7% | Anoka County 92% |
| 55126 | 96% | Anoka County 4% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Ramsey County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Ramsey County's ZIP codes use 2 prefixes: 551 and 554.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.