PlainZIP

Saint Paul, MN · standard

ZIP Code 55121

Dakota County, Minnesota — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

7,861
336/sq mi
$87,152
Median income
$301,400
Median home value
44.4%
Bachelor's or higher

The verdict

Saint Paul pairs an above-median household income with above-median home values, in a low-density, mixed-tenure area.

Top 30%
household income, US ZIPs
Top 33%
home value, US ZIPs
336
people per sq mi
41%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 55121 against every reporting US ZIP.

ZIP code 55121 is classified by USPS as a standard delivery area and covers roughly 23.4 square miles in Saint Paul, Dakota County, Minnesota. The area is home to 7,861 residents, producing a population density of 336 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 55121 against Minnesota and the nation.

On the economic side, the median household income for ZIP 55121 sits at $87,152 (6% above the Minnesota average), while per-capita income is $51,298. The poverty rate stands at 6.0% and the unemployment rate at 2.0%. On housing, the median home value is $301,400 (18% above the state average) with median rent at $1,723 per month, and 41.1% of occupied units are owner-occupied, a direct signal of whether 55121 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 44.4% of adults hold a bachelor's degree or higher, the median age is 37.2, and the average commute is 20 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Dakota County, so you can benchmark 55121 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 55121

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 55121.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 55121, Saint Paul, MN · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

7,861

Population

23.4

Area (sq mi)

336

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 55121?

37.2

Median Age

51.7%

Male

48.3%

Female

20.6%

Foreign-Born

White 61.3%
African American 20.0%
Asian 6.1%
American Indian or Alaska Native 0.3%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 6.3%
Hispanic or Latino 6.2%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$87,152

Median Household Income

+6% vs state

$51,298

Per Capita Income

6.0%

Poverty Rate

2.0%

Unemployment Rate

19.9 min

Mean Commute Time

How ZIP 55121 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$87,152 Top 30% higher than 70% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 64.1%
Bachelor's Degree or Higher 44.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

4,397

Total Housing Units

4,199

Occupied Units

198

Vacant Units

2.17

Avg Household Size

Occupancy Type

Owner 41.1%
Renter 58.9%

$301,400

Median Home Value

+18% vs state

$1,723

Median Rent

1990

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+1.5%

YoY Change (2024)

213

HPI Index (2000 = 100)

+113%

Total Change Since 2000

Home values in ZIP 55121 have increased 1.5% over the past year (2024). Since 2000, this ZIP has seen +113% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.4% 167
2021 +8.0% 181
2022 +11.1% 201
2023 +4.4% 209
2024 +1.5% 213

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 852 business establishments in ZIP 55121, employing approximately 33,227 people with a combined annual payroll of $2,894,721,000.

852

Businesses

33,227

Employees

$2.9B

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Wholesale trade 110 12.9%
Transportation and warehousing 95 11.2%
Professional, scientific, and technical services 76 8.9%
Health care and social assistance 67 7.9%
Retail trade 66 7.8%
Manufacturing 64 7.5%
Accommodation and food services 60 7.0%
Finance and insurance 54 6.3%
Other services (except public administration) 50 5.9%
Real estate and rental and leasing 49 5.8%
Management of companies and enterprises 39 4.6%
Construction 33 3.9%
Administrative and support and waste management and remediation services 33 3.9%
Information 25 2.9%
Educational services 18 2.1%
Arts, entertainment, and recreation 11 1.3%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 55121 vs 55120 →

ZIP 55121 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 55121 ranks #7 by population — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 55121 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 55121 ranks #7 of 9 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
55120 Saint Paul, MN 4,352 1.8 mi
55150 Mendota, MN 198 2.8 mi
55123 Saint Paul, MN 26,030 3.0 mi
55111 Saint Paul, MN 0 3.1 mi
55116 Saint Paul, MN 23,851 4.4 mi
55122 Saint Paul, MN 30,346 3.6 mi
55425 Minneapolis, MN 8,952 4.0 mi
55118 Saint Paul, MN 27,548 4.2 mi
55105 Saint Paul, MN 28,455 6.1 mi
55450 Minneapolis, MN 10 4.2 mi

More ZIP Codes in Dakota County

55124 standard
Saint Paul, MN
Pop: 49,084
55044 standard
Lakeville, MN
Pop: 47,218
55337 standard
Burnsville, MN
Pop: 44,356
55024 standard
Farmington, MN
Pop: 32,406
55122 standard
Saint Paul, MN
Pop: 30,346
55033 standard
Hastings, MN
Pop: 29,488

Related Areas

Dakota County Saint Paul, MN Minnesota

Frequently Asked Questions

What county is ZIP code 55121 in? ▼
ZIP code 55121 (Saint Paul) is located in Dakota County, Minnesota. Dakota County contains multiple ZIP codes, see the full list at /counties/dakota-mn.
What is the population of ZIP code 55121? ▼
ZIP code 55121 in Saint Paul, MN has a population of 7,861 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 55121? ▼
The median household income in ZIP 55121 is $87,152, which is 14% above the national average of $76,288.
What is the average home value in ZIP 55121? ▼
The median home value in ZIP 55121 is $301,400, which is 8% above the national average of $278,155.
What is the demographic makeup of ZIP 55121? ▼
The largest racial group in ZIP 55121 is White at 61.3%. Hispanic or Latino residents make up 6.2% of the population.
How many businesses are in ZIP code 55121? ▼
ZIP code 55121 has 852 business establishments employing approximately 33,227 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 55121? ▼
The top industries by establishment count in ZIP 55121 are: Wholesale trade (110), Transportation and warehousing (95), Professional, scientific, and technical services (76). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 55121? ▼
According to the FHFA House Price Index, home values in ZIP 55121 increased by 1.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 113%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 55121? ▼
In ZIP code 55121, 64.1% of residents aged 25+ have a high school diploma or higher, and 44.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 55121? ▼
The mean commute time for workers in ZIP code 55121 is 19.9 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 55121? ▼
In ZIP code 55121, approximately 41.1% of occupied housing units are owner-occupied and 58.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 55121? ▼
The poverty rate in ZIP code 55121 is 6.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Reading Census Demographics
How to interpret population, income, and education data from the Census Bureau.
Understanding ZIP Code Data
What ZIP codes are, how ZCTAs differ, and what the data reveals.
Best ZIP Codes for Families
Key factors to evaluate when choosing a family-friendly neighborhood.
ZIP Codes for Relocation
Data-driven tips for evaluating ZIP codes before a move.

Official Data Resources for Saint Paul, MN

Verify and explore additional data for this area using these official government sources.

U.S. Census Bureau
Official demographic, economic, and housing data from the American Community Survey.
HUD Fair Market Rents
Department of Housing and Urban Development rental cost estimates by metropolitan area.
FBI Uniform Crime Reports
Official crime statistics compiled from law enforcement agencies nationwide.
FHFA House Price Index
Federal Housing Finance Agency home value trends based on repeat sales and appraisals.

Read our methodology to see how this data is sourced, computed, and verified.