ZIP Code 55155 in Saint Paul, MN

Data Last Updated: February 1, 2026
City:Saint Paul, Minnesota
Names to Avoid:
State Offices
County:Ramsey County
Timezone:Central (GMT -06:00)
Local Time:7:36:02 AM
Population:12 [See All]
Area Codes:651 / 763
Classification:Unique [Company/Government]
Coordinates:44.9537, -93.1018
Land Area:0.226 sq mi
Quick Link:
https://www.zip-codes.com/zip-code/55155/zip-code-55155.asp

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55155 - State Offices

Saint Paul, MN | Ramsey County | Institution

State Offices

Entity TypeInstitution
LocationSaint Paul, MN
CountyRamsey
FacilityPost Office
Coordinates44.9539, -93.1018
CoverageCampus (Boundary covers 0.16 sq mi)
Key Facts
  • Unique postal code for single organization
  • Mail processed at dedicated Post Office
  • 196 buildings including Accounting, Action for Children Commission, Adjutant General and more
  • Mail serves 23 business establishments employing around 188 people
  • Delivers to 1 business address (no residential delivery)
  • Located in the Minneapolis-St. Paul, MN metro area
Entity Type
Institution
Facility
Post Office
Neighborhood
Northwestern Precinct
Buildings
196

About ZIP Code 55155

Minnesota's State Capitol complex operates under dedicated ZIP code 55155 in the Northwestern Precinct of Downtown Saint Paul, Ramsey County. The complex centers on the historic State Capitol Building, designed by architect Cass Gilbert and constructed between 1896 and 1905. The Capitol features the second-largest self-supporting marble dome in the world and was added to the National Register of Historic Places in 1972. This 0.16-square-mile postal boundary serves as the mailing address for the Governor, Attorney General, Secretary of State, and both chambers of the Minnesota Legislature.

Postal records reveal the extraordinary scope of state government operations: 271 delivery codes serve 196 distinct offices and agencies. Mail flows to the State Office Building on Rev. Dr. Martin Luther King Jr. Boulevard, the Centennial Office Building on Cedar Street, and the State Veterans Service Building on 12th Street. Key agencies include the MN Department of Human Services, MN Department of Natural Resources, Department of Finance, and the Legislative Reference Library. Veterans organizations including the American Legion and VFW also maintain offices within the complex.

This unique postal designation has served the Capitol complex for over two decades. The 2020 Census counted just 12 residents with a median age of 22 years, reflecting the primarily governmental function rather than residential use. Saint Paul is the valid mailing city for this designation.

Census Data
Population:12
Median Age:22.0
Housing Units:1
Business Data
Establishments:23
Employment:188
Delivery Points
Residential:0
Business:1

Named Buildings

Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.

Accounting on Lafayette Action for Children Commission on Cedar Adjutant General on 12Th Administration Intervention Conf on Lafayette Adoption on Lafayette

Address Format

[Recipient Name]
[Street Address]
SAINT PAUL, MN 55155
Interactive charts load automatically as you scroll. Hover for data, click to explore trends, and use the menu to export.

Population & Demographics


ZIP Code 55155 has 12 residents and 0 households. The median age is 22.0 years, significantly younger than the state (38.4) and significantly younger than the nation (38.8). The gender split is 66.7% male and 33.3% female, which is much higher than the national male share (49.1%), making this a male-majority area. Largest groups are Black or African American (25.0%, much higher than the state average of 7.0% and well above the national average of 12.4%) and Hispanic or Latino (8.3%); Hispanic or Latino residents make up 8.3%, which is much lower than the national average (18.7%), and Black or African American share is much higher than both the state (7.0%) and national averages (12.4%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.
2020 Population:12Source: Census DHC
2024 ACS Population Estimate:0Source: Census ACS
2026 ZC Population Estimate:0Source: ZIP-Codes.com
Population Density:53.1 people per sq mile
Average Income:$0Source: Census ACS
Households:0Source: Census DHC
Average House Value:$666,666,666Source: Census ACS
Persons Per Household:0.00Source: Census DHC
Average Family Size:0.00Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group201020112102201320142015201620172018201920202021202220232024
Census ACS Population Estimate--00000000000000
Decennial Census0------------------12--------
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 22

Male Median Age: 22.5

Female Median Age: 22

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male022000310000000000
Female010101100000000000
Total032101410000000000
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:00%
Black:375.00%
Hispanic:*125.00%
Asian:00%
American Indian:00%
Hawaiian:00%
Other:00%
Total:4100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:866.67%22.5 years
Females:433.33%22.0 years
Total:12100%22.0 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:00%
Native, born in PR, Island Areas, or abroad:00%
Foreign born, naturalized U.S. citizen:00%
Foreign born, not a U.S. citizen:00%
Total Population:0100%
Total Native Population:00%
Total Foreign-born Population:00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Education, Health & Community


In 2024, -666,666,666.00% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.70%). High school or higher is -666,666,666.00%, which is far lower than the national rate (89.60%). The uninsured rate is -666,666,666.00%, which is far lower than the national rate (8.40%). Private coverage is -666,666,666.00%, which is far lower than the national rate (67.10%). Public coverage is -666,666,666.00%, which is far lower than the national rate (36.70%). The share of people in poverty is -666,666,666.00%, which is far lower than the national rate (8.80%). Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Insufficient data for school enrollment.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:00%
9th to 12th grade, no diploma:00%
High school graduate (includes equivalency):00%
Some college, no degree:00%
Associate's degree:00%
Bachelor's degree:00%
Graduate or professional degree:00%
Total:0100%
High school or higher:00%
Bachelor's degree or higher:00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:00%
Public Insurance:00%
No Insurance:00%
Total:0100%
Has Health Insurance:00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)


Group20112102201320142015201620172018201920202021202220232024
% of People in Poverty0.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%-666,666,666.0%0.0%0.0%0.0%0.0%0.0%0.0%
Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:00%
Kindergarten:00%
Elementary school (grades 1-8):00%
High school (grades 9-12):00%
College or graduate school:00%
Total:0100%
Early Childhood:00%
K-12 (Primary & Secondary School):00%
Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 55155 supports both business and residential activity. According to the Business Census (2024), there are 25 business establishments, employing about 331 people with an annual payroll of $30,227,000. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:1Source: USPS
Total Delivery Receptacles:1Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:25Source: CBP
1st Quarter Payroll:$8,958,000Source: CBP
Annual Payroll:$30,227,000Source: CBP
# of Employees:331Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 55155 is located in Ramsey County, Minnesota, within the Minneapolis-St. Paul-Bloomington, MN-WI Metropolitan Statistical Area (CBSA 33460) and Minnesota's 4th Congressional District. This Metro area has a population of 3,279,833 people, about 0.00% of whom live in ZIP Code 55155. It covers 0.226 sq mi of land and a water area of 0 sq mi.

CBSA Name:Minneapolis-St. Paul-Bloomington, MN-WISource: Census
CBSA Number:33460Source: Census
CBSA Type:MetroSource: Census
CBSA Division:--Source: Census
CBSA Population:3,279,833Source: Census
MSA:Minneapolis-St. Paul, MN-WI MSASource: Census
Land Area:0.226 sq miSource: Census
Water Area:--Source: Census
Congressional District:04Source: USPS
Congressional Land Area:332.49 sq miSource: Census
PMSA:--Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:2758000Source: Census
Place Name:St. Paul city; MinnesotaSource: Census

Adjacent & Nearby ZIP Codes


55164 | | 55150

Schools in ZIP Code 55155


We could not locate which school district 55155 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Upper Mississippi Middle Academy 19 E Exchange St.
Saint Paul, MN 55101
District: UnknownNearby
Upper Mississippi High Academy 19 E Exchange St.
Saint Paul, MN 55101
District: UnknownNearby
St. Paul City Primary School 215 University Ave W
Saint Paul, MN 55103
District: UnknownNearby
St. Paul City Middle School 215 University Ave W
Saint Paul, MN 55103
District: UnknownNearby
St. Paul City High School 215 University Ave W
Saint Paul, MN 55103
District: UnknownNearby
Cathedral Hill Montessori School 329 Dayton Ave
Saint Paul, MN 55102
District: Private SchoolNearby
Christ's Household Of Faith School 355 Marshall Ave
Saint Paul, MN 55102
District: Private SchoolNearby
Cathedral Hill Montessori School 329 Dayton Ave
Saint Paul, MN 55102
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 55155


Saint Paul College 235 Marshall Ave
Saint Paul, MN 55102-9808
Type: Post Secondary
Minnesota State Colleges And Universities System Office 30 East 7th St
St Paul, MN 55101
Type: Post Secondary
Metropolitan State University 700 East Seventh Street
Saint Paul, MN 55106-5000
Type: Post Secondary
Mitchell Hamline School Of Law 875 Summit Ave
Saint Paul, MN 55105-3076
Type: Post Secondary
Concordia University-Saint Paul 1282 Concordia Ave
Saint Paul, MN 55104-5494
Type: Post Secondary
Hamline University 1536 Hewitt Avenue
Saint Paul, MN 55104-1284
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.

  1. U.S. Postal Service [Last Updated: 2/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 2/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 2/1/2026], https://nces.ed.gov