Residential delivery area · Missouri
ZIP Code 63146: Saint Louis, MO
ZIP code 63146 uses the postal name Saint Louis, Missouri and lies entirely in St. Louis County (Census 2020 ZIP-county file). About 31,000 people live there (Census Bureau, ACS 2020-2024), the 9th most populous of Saint Louis's 46 residential ZIP codes. Median household income is $84,756 (Census Bureau, ACS 2020-2024). Most of its land (61%) lies in the city of Maryland Heights.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Saint Louis · 46 residential ZIPs
- County
- St. Louis County
- Census places
- Maryland Heights
- Metro area
- St. Louis, MO-IL
- House districts
- MO-2 (55%), MO-1 (45%) 119th Congress, by share of land
- State
- Missouri
- Time zone
- Central
- Land area
- 15.5 sq mi · 1,977 people per sq mi
- PO Box ZIPs
- 22 more ZIP codes use the name Saint Louis for PO boxes or single organizations
Where is ZIP code 63146?
63146 centers on 38.701°, -90.480° and covers 15.5 square miles of land plus 1.3 of water. It borders 5 ZIP codes: 63043, 63141, 63303, 63017, 63132.
The map draws ZIP code areas only. For the streets inside 63146, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 63146 compare with the rest of Saint Louis?
| Measure | 63146 | In Saint Louis | In St. Louis County | In MO |
|---|---|---|---|---|
| People (ACS 2020-2024) | 30,678 | 9th of 46 | 14th of 47 | 46th of 1,035 |
| Median household income | $85k | 15th of 38 | 26th of 44 | 109th of 479 |
| Median home value | $302k | 16th of 42 | 21st of 45 | 79th of 494 |
Its median household income is higher than in 68% of U.S. residential ZIP codes, and it is denser than 84% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 63146?
The 2020 Census counted 31,459 people in 63146; the ACS, which samples households over 2020-2024, estimates 30,678. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 30,678
- 2020 Census count
- 31,459
- Households
- 14,551
- Median age
- 38.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 63146?
Of the 30,678 people the ACS estimates in 63146, 18.3% are under 18 and 22.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (62.6%), then Asian (not Hispanic) (16.0%).
- Under 1818.3%
- 18 to 6459.3%
- 65 and older22.4%
- White, not Hispanic62.6%
- Asian, not Hispanic16.0%
- Black, not Hispanic13.1%
- Other or two or more4.8%
- Hispanic or Latino3.5%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 63146 earn?
Median household income is $84,756 (ACS 2020-2024), the 26th highest of the 44 ranked ZIP codes in St. Louis County.
- Median household income
- $84,756
- Income per person
- $53,100
- Below the poverty line
- 7.7%
- Unemployed (of the labor force)
- 2.9%
- Adults 25+ with a bachelor's degree
- 59.7%
- Adjusted gross income per tax return, 2022
- $107,85016,000 returns; wages 60% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 63146?
FHFA's house price index for 63146, built from repeat sales and appraisals of the same homes, rose 74% from 2015 to 2025 and rose 44% from 2020 to 2025, and moved +4.9% in 2025.
- Median home value (owners' estimate)
- $301,700
- Median gross rent
- $1,359
- Homes owned by their occupants
- 57.5%
- Housing units
- 15,480
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 63146?
1,056 business establishments had a location in this ZIP code in 2023, 66 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services183
- Health care and social assistance146
- Wholesale trade105
- Administrative and support and waste management and remediation services86
- Construction82
- Finance and insurance78
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 63146?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 63043 | Maryland Heights | 21,924 | $92k | 2.4 mi |
| 63141 | Saint Louis | 20,932 | $134k | 3.3 mi |
| 63303 | Saint Charles | 46,089 | $99k | 4.3 mi |
| 63017 | Chesterfield | 43,243 | $127k | 4.5 mi |
| 63132 | Saint Louis | 14,283 | $87k | 5.8 mi |
| 63045 | Earth City | 0 | – | 4.8 mi (near) |
| 63074 | Saint Ann | 15,793 | $52k | 5.2 mi (near) |
| 63044 | Bridgeton | 10,324 | $78k | 5.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.