55121 ZIP Code — Saint Paul, MN

Dakota County, Minnesota

ZIP code 55121 is located in Saint Paul, Minnesota, within Dakota County. It covers approximately 9.61 square miles and serves a population of 8,923 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 952.

About ZIP code 55121

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1990s, giving the area an established character. Median home value is $268,300. Renters make up the majority at 56%, typical of denser urban areas.

The gap between median ($73,396) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.

Educational attainment is near the national average, with 41% of residents holding a bachelor's degree or higher.

8,923
population
9.61
sq mi land
Standard
ZIP type
Central (CT)
timezone
55121 ZIP code map
Cities in ZIP code 55121

Below are the cities the US Postal Service accepts for ZIP code 55121. Using any city not on this list may result in mail delivery delays.

City Status
Saint Paul Acceptable
Saint Paul Preferred
Nearby ZIP codes
55120 Saint Paul (2.3 mi) 55123 Saint Paul (3 mi) 55122 Saint Paul (3.1 mi) 55425 Minneapolis (3.2 mi) 55111 Saint Paul (3.2 mi) 55450 Minneapolis (3.6 mi) 55118 Saint Paul (4.1 mi) 55116 Saint Paul (4.7 mi) 55077 Inver Grove Heights (5 mi) 55417 Minneapolis (5.3 mi) 55420 Minneapolis (5.4 mi) 55423 Minneapolis (5.8 mi)
Demographics updated 05/2026
Population
Total population 8,923
Population density 929 / sq mi
State FIPS 27
County FIPS 037
Geography
Land area 9.61 sq mi
Water area 0.87 sq mi
Latitude 44.8422
Longitude -93.1680
Timezone Central (CT)
Area code 952
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 35.6% 26.0% 33.6%
$50k – $100k 32.6% 30.2% 31.5%
$100k – $200k 26.0% 32.9% 26.5%
Over $200k 5.9% 11.0% 8.5%

Demographics & statistics

8,923
Population
929
People per sq mi
35.5
Median age
$73,396
Median household income
$44,341
Per capita income
$268,300
Median home value
$1,538
Median monthly rent
44.5%
Home ownership
8.9%
Poverty rate
5.1%
Unemployment
1,897
Housing units
40.7%
Bachelor's or higher

Age distribution

Male Female
372
Under 5
360
259
5–9
251
211
10–14
205
186
15–19
180
332
20–24
321
865
25–34
836
718
35–44
695
473
45–54
457
236
55–59
228
237
60–64
230
314
65–74
303
174
75–84
168
159
85+
153
← Male
Female →

Age summary

GroupCount%
Under 181,86020.8%
18 and over7,06379.2%
65 and over1,27114.2%
Median age35.5 years

Race & ethnicity

White 61.5%
Black or African American 20.6%
Asian 6.2%
Two or more races 5.2%
Hispanic or Latino 3.3%
Other race 2.9%
American Indian / Alaska Native 0.3%
GroupCount%
White5,67661.5%
Black or African American1,89720.6%
Asian5756.2%
Two or more races4825.2%
Hispanic or Latino3073.3%
Other race2652.9%
American Indian / Alaska Native280.3%

Household income

Income range This ZIP County avg State avg
Under $50k 35.6% 26.0% 33.6%
$50k – $100k 32.6% 30.2% 31.5%
$100k – $200k 26.0% 32.9% 26.5%
Over $200k 5.9% 11.0% 8.5%
Under $10k 4.4%
$10k–$15k 1.6%
$15k–$25k 2.6%
$25k–$35k 8.5%
$35k–$50k 12.1%
$50k–$75k 22.7%
$75k–$100k 14.2%
$100k–$150k 15.5%
$150k–$200k 10.2%
$200k+ 8.2%
Range% of households
Under $10k4.4%
$10k–$15k1.6%
$15k–$25k2.6%
$25k–$35k8.5%
$35k–$50k12.1%
$50k–$75k22.7%
$75k–$100k14.2%
$100k–$150k15.5%
$150k–$200k10.2%
$200k+8.2%
Median income$73,396

Housing

Home values

Under $50k 1.2%
$50k–$100k 4.6%
$100k–$150k 18.5%
$150k–$200k 8.5%
$200k–$300k 20.1%
$300k–$500k 34.2%
$500k–$1M 12.9%

Housing overview

MetricValue
Median home value$268,300
Median rent / month$1,538
Owner occupied44.5%
Renter occupied55.5%
Vacant4.1%
Single-family detached26.1%
Large apartment buildings52.1%
Mobile homes0.0%
Median rooms4.7
Avg household size (owned)2.20

Year built

Era%
2020 or later0.2%
2010–20197.3%
2000–20098.7%
1990–199925.5%
1980–198919.9%
1970–197923.3%
1960–19697.5%
1950–19595.7%
1940–19490.5%
1939 or earlier1.3%

Bedrooms

Size% of units
No bedroom (studio)3.4%
1 bedroom19.2%
2 bedrooms41.3%
3 bedrooms20.4%
4 bedrooms12.8%
5+ bedrooms2.9%

Vehicles per household

Vehicles% of households
No vehicle4.3%
1 vehicle46.2%
2 vehicles38.4%
3 or more11.1%

Heating fuel

Fuel type%
Utility gas68.8%
Electricity24.6%
Propane / LP gas3.0%
Fuel oil0.3%
No fuel used1.2%

Households & families

Household typeCount%
Married-couple family1,42636.7%
Cohabiting couple42911.0%
Male householder, no spouse90123.2%
Female householder, no spouse1,12929.1%
Households with children under 1899725.7%
Households with seniors (65+)84621.8%
Average household size2.26

Marital status

StatusMaleFemale
Never married41.4%35.8%
Married47.1%44.0%
Separated0.5%0.5%
Widowed0.2%8.9%
Divorced10.8%10.8%

Education

Less than 9th grade 1.9%
Some HS, no diploma 3.2%
HS graduate 20.0%
Some college, no degree 24.0%
Associate's degree 10.2%
Bachelor's degree 29.7%
Graduate / professional 11.0%
Metric%
HS diploma or higher94.9%
Bachelor's or higher40.7%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1086.2%
Kindergarten1196.8%
Elementary school77144.1%
High school26915.4%
College / grad school48127.5%

Employment

Industry of employment

Education & healthcare 19.2%
Transportation & utilities 11.6%
Professional & management 11.3%
Retail trade 10.3%
Arts, food & hospitality 9.2%
Finance & real estate 9.1%
Manufacturing 8.2%
Other services 6.6%
Wholesale trade 3.7%
Information 3.7%
Construction 3.1%
Public administration 2.6%
Agriculture & mining 1.5%

Occupation

Category%
Management, business & arts43.7%
Service19.6%
Sales & office18.6%
Natural resources & construction3.9%
Production & transportation14.2%

Employment type

Type%
Private sector86.4%
Government9.1%
Self-employed4.4%
Unpaid family workers0.0%

Commute

Method%
Drive alone68.5%
Carpool8.4%
Public transit1.9%
Walk2.2%
Work from home16.8%
Other means2.2%
Avg commute (minutes)20.4

Poverty

All people 8.9%
Under 18 years 6.7%
18 and over 9.5%
Married-couple families 4.4%
Female-led households 8.5%

Income support

Source% of households
Social Security22.0%
Retirement income17.1%
Supplemental Security2.9%
Cash public assistance4.4%
Food stamps / SNAP5.5%

Health indicators

Condition%
Obesity32.8%
High blood pressure24.7%
High cholesterol25.2%
Diabetes7.4%
Heart disease4.6%
Stroke2.2%
Asthma9.1%
Arthritis18.7%
Kidney disease2.3%
Pulmonary disease4.1%
Cancer5.5%
Behavior / access%
Smoking14.5%
Binge drinking20.1%
No physical activity17.6%
Less than 7 hrs sleep26.7%
Depression21.9%
Fair or poor health9.5%
Poor mental health13.0%
Poor physical health7.7%
No health insurance10.6%
Visited doctor (checkup)69.2%
Visited dentist68.1%
Cholesterol screening88.0%
Teeth loss8.8%

Veterans & disability

VeteransCount%
Civilian veterans2263.2%
Disability%
Any disability11.8%
Under 183.6%
18–64 years9.5%
65 and over36.5%

Health insurance coverage

Type%
Private insurance68.8%
Public insurance34.0%
No insurance8.0%
Uninsured under 193.6%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only8,19191.8%
Spanish95311.6%
Other Indo-European901.1%
Asian & Pacific Islander3334.1%
Other languages1581.9%

Place of birth & citizenship

OriginCount%
Native born (US)7,08679.4%
Born in same state6,95678.0%
Born in different state5,17558.0%
Foreign born1301.5%
Naturalized citizen1,83720.6%
Not a US citizen85946.8%

Ancestry

AncestryCount%
Italian1,07112%
Polish7758.7%
French4314.8%
Arab1611.8%
AncestryCount%
Dutch1381.5%
German1351.5%
Irish1131.3%
English790.9%

Technology access

Metric% of households
Computer access43.5%
Internet access97.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 55121

What city is ZIP code 55121 in?

ZIP code 55121 is primarily assigned to Saint Paul, Minnesota.

What county is ZIP code 55121 in?

ZIP code 55121 falls within Dakota County, Minnesota.

Is ZIP code 55121 mostly rentals?

56% of occupied units in ZIP code 55121 are renter-occupied.

What is the population of ZIP code 55121?

ZIP code 55121 has an estimated population of 8,923 residents, with a density of 928 people per square mile.

What is the typical home value in ZIP code 55121?

The median home value in ZIP code 55121 is $268,300.

What is the median household income in ZIP code 55121?

The median household income in ZIP code 55121 is $73,396, below the national median of ~$75,000.

What timezone is ZIP code 55121 in?

ZIP code 55121 observes the CST timezone.

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