Zip Code 55128
Saint Paul, Minnesota — Washington County
📍 ZIP code 55128 is in Saint Paul, Washington County, Minnesota.
ZIP code 55128 is located in Saint Paul, Washington County, Minnesota. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 28,945. The area code for ZIP code 55128 is 612.
Quick Answer
Zip code 55128 is in Saint Paul, Minnesota (Washington County). It has a population of 28,945, median household income of $89,642, and median home value of $300,700.
Population
28,945
Income
$89,642
Home Value
$300,700
Climate
82°F / 8°F
About Zip Code 55128
Zip code 55128 is located in Saint Paul, Minnesota, within Washington County. Home to approximately 28,945 residents, this area sits at an elevation of 1051 ft and falls within the Central (CST/CDT) timezone. The local area code is 612.
The median household income is $89,642 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $300,700, and the cost of living index is 106 (6% above the national average of 100).
Summers average a high of 82°F while winters drop to 8°F. The area receives about 41 in of rain and 10 in of snow annually. The zip code covers 11.2 square miles of land area and 0.4 square miles of water.
Key Statistics
28,945
$89,642
$300,700
Central (CST/CDT)
612
1051 ft
11.2 sq mi
41
12,083
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Compare With Nearby Zip Codes
| Metric | 55128 | 55042 | 55109 | 55119 | 55106 | 55090 |
|---|---|---|---|---|---|---|
| City | Saint Paul, MN | Lake Elmo, MN | Saint Paul, MN | Saint Paul, MN | Saint Paul, MN | Willernie, MN |
| Population | 28,945 | 13,156 | 34,266 | 44,068 | 56,969 | 377 |
| Median Income | $89,642 | $154,779 | $81,759 | $77,870 | $68,601 | $80,179 |
| Home Value | $300,700 | $594,000 | $291,200 | $262,700 | $233,000 | $305,200 |
| Cost of Living | 106 | 204 | 102 | 91 | 80 | 93 |
| Median Age | 41 | 40.8 | 36.8 | 34.2 | 32.1 | 41.7 |
Cost of Living
100 = National Average. Saint Paul's cost of living is 6% above the national average.
vs. State Avg
Above
Affordability
Moderate
Income-to-Home
3.4x
Demographics
Zip code 55128 has a population of 28,945 people with a median age of 41. There are 12,083 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Saint Paul (55128) population trend from 2010 to 2024
↑ 178.4%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
82°F
8°F
41 in
10 in
Saint Paul experiences warm summers with average highs around 82°F. Winters are cold with lows averaging 8°F. The area receives about 10 in of snow per year.
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Housing & Economy
Median Home Value
$300,700
Median Household Income
$89,642
With 12,083 housing units across 11.2 square miles, 55128 has a housing density of 1,079 units per square mile. The home price-to-income ratio is 3.4x.
Location & Geography
Latitude
44.9875°
Longitude
-92.9636°
Land Area
11.2 sq mi
Water Area
0.4 sq mi
Nearby Zip Codes
Zip codes closest to 55128 (Saint Paul, MN) with distances:
All Zip Codes in Saint Paul, MN
Other zip codes serving Saint Paul:
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 55128's $89,642. A way to compare Saint Paul to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 55128 (Saint Paul, MN). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Saint Paul, Minnesota?
Saint Paul, Minnesota uses zip code 55128 along with 10 other zip codes.
What county is zip code 55128 in?
Zip code 55128 is located in Washington County, Minnesota.
What is the population of zip code 55128?
The population of zip code 55128 is 28,945 with a median age of 41.
Is 55128 in Saint Paul, Minnesota?
Yes, zip code 55128 is in Saint Paul, Washington County, Minnesota. The area code is 612.
Frequently Asked Questions
What city is zip code 55128 in?
Zip code 55128 is in Saint Paul, Minnesota. It is part of Washington County and uses the Central (CST/CDT) timezone.
What is zip code 55128?
Zip code 55128 is a U.S. postal code in Saint Paul, Minnesota (Washington County). It has a population of 28,945 and covers 11.2 square miles.
What is the population of zip code 55128?
The population of zip code 55128 (Saint Paul, MN) is 28,945 with a median age of 41. There are approximately 12,083 housing units in this area.
What is the median income in zip code 55128?
The median household income in zip code 55128 (Saint Paul, MN) is $89,642 per year. The cost of living index is 106 (100 = national average).
What is the average home price in zip code 55128?
The median home value in zip code 55128 (Saint Paul, MN) is $300,700. The cost of living index is 106 compared to the national average of 100.
What county is zip code 55128 in?
Zip code 55128 is located in Washington County, Minnesota. The primary city is Saint Paul.
What is the area code for zip code 55128?
Zip code 55128 in Saint Paul, MN uses area code 612. It is located in the Central (CST/CDT) timezone.
Is zip code 55128 a good place to live?
Zip code 55128 (Saint Paul, MN) has a cost of living index of 106 (100 = national average), a median household income of $89,642, and median home values of $300,700. The median age is 41. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 55128?
The cost of living index for zip code 55128 (Saint Paul, MN) is 106, where 100 represents the national average. This area is above the national average. Median home value: $300,700.
What schools serve zip code 55128?
Zip code 55128 in Saint Paul, Minnesota is served by the local school district of Washington County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.