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US ZIP Code Profile

ZIP Code 63104
Saint Louis, Missouri

ZIP code 63104 is in Saint Louis, located in Saint Louis City County, Missouri, within the St. Louis metro area. Its 2020 Census population was 19,317. The estimated median adjusted gross income per tax return is $53,440, and about 9% of filers report $200,000 or more.

2020 Population
19,317
Census ZCTA
County
Saint Louis City
FIPS 29510
Median income (est.)
$53,440
IRS SOI 2022
Land Area
3.456 mi²
+ 0.363 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
Coordinates38.61113, -90.21409
Land / Water Area3.456 mi² land · 0.363 mi² water

02Income & Economics

Distribution of the 8,810 individual tax returns filed in 63104 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
25.2%
$25K–$50K
22.5%
$50K–$75K
16.9%
$75K–$100K
9.9%
$100K–$200K
16.8%
$200K+
8.7%
The $200,000+ bracket accounts for 38% of 63104's total adjusted gross income, from 9% of returns — a concentration that drives the gap between the median ($53,440) 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 63104's IRS income metrics, 2020–2022.

Median income (2021→2022)
$53,440
▲ 8.9%
Filers earning $200K+
8.7%
▲ 1.2 pt
Total filers
8,810
▲ 0.2%
GET /zipc/v2/zipcodes/63104/soi?year=… $44K 2020 $49K 2021 $53K 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 63104 ZCTA.

2000
19,088
 
2010
18,656
▼ -2.3%
2020
19,317
▲ +3.5%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 63104. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 63104

Saint Louis and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 63104 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 63104 in?

ZIP code 63104 is in Saint Louis City County, Missouri (county FIPS code 29510).

What city is ZIP code 63104?

The primary USPS city for 63104 is Saint Louis, MO.

What metro area (MSA) is 63104 in?

63104 is part of the St. Louis, MO-IL Metro Area (MSA code 41180).

What is the population of ZIP code 63104?

The 2020 Census population of 63104 was 19,317 residents.

What is the median income in ZIP code 63104?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 63104 is about $53,440, with around 9% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.