Residential delivery area · Missouri
ZIP Code 63040: Wildwood, MO
ZIP code 63040 is in Wildwood, Missouri, entirely in St. Louis County (Census 2020 ZIP-county file). About 8,500 people live there (Census Bureau, ACS 2020-2024), the more populous of Wildwood's 2 residential ZIP codes. Median household income is $133,220 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Wildwood · 2 residential ZIPs
- County
- St. Louis County
- Census places
- Wildwood
- Metro area
- St. Louis, MO-IL
- House district
- MO-2 119th Congress
- State
- Missouri
- Time zone
- Central
- Land area
- 4.4 sq mi · 1,931 people per sq mi
Where is ZIP code 63040?
63040 centers on 38.574°, -90.634° and covers 4.4 square miles of land plus 0.0 of water. It borders 3 ZIP codes: 63038, 63011, 63021.
The map draws ZIP code areas only. For the streets inside 63040, 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 63040 compare with the rest of Wildwood?
| Measure | 63040 | In Wildwood | In St. Louis County | In MO |
|---|---|---|---|---|
| People (ACS 2020-2024) | 8,526 | 1st of 2 | 40th of 47 | 214th of 1,035 |
| Median household income | $133k | 2nd of 2 | 7th of 44 | 11th of 479 |
| Median home value | $427k | 2nd of 2 | 10th of 45 | 13th of 494 |
Its median household income is higher than in 94% 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 63040?
The 2020 Census counted 8,857 people in 63040; the ACS, which samples households over 2020-2024, estimates 8,526. Between the 2010 and 2020 censuses its population grew 4.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 8,526±883 (90% margin)
- 2020 Census count
- 8,857+4.1% since 2010 (8,512)
- Households
- 3,113
- Median age
- 42.4
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 63040?
Of the 8,526 people the ACS estimates in 63040, 23.0% are under 18 and 18.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (79.0%).
- Under 1823.0%
- 18 to 6458.6%
- 65 and older18.4%
- White, not Hispanic79.0%
- Hispanic or Latino9.2%
- Other or two or more7.2%
- Asian, not Hispanic4.3%
- Black, not Hispanic0.3%
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 63040 earn?
Median household income is $133,220 (ACS 2020-2024), the 7th highest of the 44 ranked ZIP codes in St. Louis County. It is not measurably different from 2015-2019 ($135,689 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $133,220±$14,083
- Income per person
- $62,713
- Below the poverty line
- 1.9%
- Unemployed (of the labor force)
- 4.0%
- Adults 25+ with a bachelor's degree
- 61.2%
- Adjusted gross income per tax return, 2022
- $132,1354,360 returns; wages 71% 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 63040?
FHFA's house price index for 63040, built from repeat sales and appraisals of the same homes, rose 52% from 2015 to 2025 and rose 35% from 2020 to 2025, and moved −0.5% in 2025.
- Median home value (owners' estimate)
- $426,600
- Median gross rent
- $1,691
- Homes owned by their occupants
- 87.3%
- Housing units
- 3,225
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 63040?
213 business establishments had a location in this ZIP code in 2023, 28 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance31
- Professional, scientific, and technical services28
- Construction25
- Accommodation and food services19
- Retail trade18
- Wholesale trade16
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 63040?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 63038 | Wildwood | 7,107 | $187k | 1.8 mi |
| 63011 | Ballwin | 35,920 | $125k | 4.7 mi |
| 63021 | Ballwin | 55,666 | $120k | 4.8 mi |
| 63005 | Chesterfield | 19,779 | $199k | 5.0 mi (near) |
| 63025 | Eureka | 19,508 | $126k | 5.8 mi (near) |
| 63073 | Saint Albans | 803 | $250k+ | 7.3 mi (near) |
| 63088 | Valley Park | 8,226 | $66k | 7.4 mi (near) |
| 63017 | Chesterfield | 43,243 | $127k | 7.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.