Get API Key →
US ZIP Code Profile

ZIP Code 55120
Saint Paul, Minnesota

ZIP code 55120 is in Saint Paul, located in Dakota County, Minnesota, within the Minneapolis-St. Paul-Bloomington metro area. Its 2020 Census population was 4,752. The estimated median adjusted gross income per tax return is $81,696, and about 18% of filers report $200,000 or more.

2020 Population
4,752
Census ZCTA
County
Dakota
FIPS 27037
Median income (est.)
$81,696
IRS SOI 2022
Land Area
5.344 mi²
+ 0.866 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CitySaint Paul, MN
CountyDakota County (FIPS 27037)
StateMinnesota (FIPS 27)
Metro Area (MSA)Minneapolis-St. Paul-Bloomington, MN-WI Metro Area (33460)
Census Region / DivisionMidwest Region · West North Central Division
Coordinates44.87598, -93.15065
Land / Water Area5.344 mi² land · 0.866 mi² water

02Income & Economics

Distribution of the 2,630 individual tax returns filed in 55120 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
19.0%
$25K–$50K
14.1%
$50K–$75K
14.1%
$75K–$100K
10.7%
$100K–$200K
23.9%
$200K+
18.2%
The $200,000+ bracket accounts for 59% of 55120's total adjusted gross income, from 18% of returns — a concentration that drives the gap between the median ($81,696) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 55120's IRS income metrics, 2020–2022.

Median income (2021→2022)
$81,696
▲ 2.8%
Filers earning $200K+
18.2%
▼ 1.1 pt
Total filers
2,630
▲ 4.0%
GET /zipc/v2/zipcodes/55120/soi?year=… $73K 2020 $80K 2021 $82K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 55120 ZCTA.

2000
4,722
 
2010
4,352
▼ -7.8%
2020
4,752
▲ +9.2%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 55120. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 55120

Saint Paul and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 55120 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortB
USPS Finance Number268360
City AliasesEagan, Mendota Heights, Saint Paul, Mendota Hts

07Frequently Asked Questions

What county is ZIP code 55120 in?

ZIP code 55120 is in Dakota County, Minnesota (county FIPS code 27037).

What city is ZIP code 55120?

The primary USPS city for 55120 is Saint Paul, MN.

What metro area (MSA) is 55120 in?

55120 is part of the Minneapolis-St. Paul-Bloomington, MN-WI Metro Area (MSA code 33460).

What is the population of ZIP code 55120?

The 2020 Census population of 55120 was 4,752 residents.

What is the median income in ZIP code 55120?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 55120 is about $81,696, with around 18% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.