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US ZIP Code Profile

ZIP Code 63101
Saint Louis, Missouri

ZIP code 63101 is in Saint Louis, located in Saint Louis City County, Missouri, within the St. Louis metro area. Its 2020 Census population was 4,171. The estimated median adjusted gross income per tax return is $40,426, and about 5% of filers report $200,000 or more.

2020 Population
4,171
Census ZCTA
County
Saint Louis City
FIPS 29510
Median income (est.)
$40,426
IRS SOI 2022
Land Area
0.378 mi²
+ 0 mi² water

01Location & Geography

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

Primary CitySaint Louis, MO
CountySaint Louis City County (FIPS 29510)
StateMissouri (FIPS 29)
Metro Area (MSA)St. Louis, MO-IL Metro Area (41180)
Census Region / DivisionMidwest Region · West North Central Division
Coordinates38.63157, -90.192604
Land / Water Area0.378 mi² land · 0 mi² water

02Income & Economics

Distribution of the 1,800 individual tax returns filed in 63101 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
33.9%
$25K–$50K
26.1%
$50K–$75K
14.4%
$75K–$100K
8.9%
$100K–$200K
11.7%
$200K+
5.0%
The $200,000+ bracket accounts for 43% of 63101's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($40,426) 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 63101's IRS income metrics, 2020–2022.

Median income (2021→2022)
$40,426
▼ 1.6%
Filers earning $200K+
5.0%
▲ 0.1 pt
Total filers
1,800
▼ 2.7%
GET /zipc/v2/zipcodes/63101/soi?year=… $38K 2020 $41K 2021 $40K 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 63101 ZCTA.

2000
1,327
 
2010
2,620
▲ +97.4%
2020
4,171
▲ +59.2%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 63101. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 63101

Saint Louis and its immediate neighbors, sorted by distance.

3 mi
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Distance from 63101 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 SortD
USPS Finance Number287140
City AliasesSaint Louis

07Frequently Asked Questions

What county is ZIP code 63101 in?

ZIP code 63101 is in Saint Louis City County, Missouri (county FIPS code 29510).

What city is ZIP code 63101?

The primary USPS city for 63101 is Saint Louis, MO.

What metro area (MSA) is 63101 in?

63101 is part of the St. Louis, MO-IL Metro Area (MSA code 41180).

What is the population of ZIP code 63101?

The 2020 Census population of 63101 was 4,171 residents.

What is the median income in ZIP code 63101?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 63101 is about $40,426, with around 5% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.