ZIP Code 63123
standardSource:
Saint Louis · St. Louis County · Missouri
- Population
- 49,308
- Median income
- $77,055
- Median home value
- $219,400
- Bachelor's or higher
- 37.6%
- Land area
- 32.5 sq mi
1,518/sq mi
▲ 1% vs US
higher than 58% of US ZIPs
▼ 21% vs US
higher than 49% of US ZIPs
Median age 40.9
Chicago
ZIP code 63123 in Saint Louis, Missouri has a population of 49,308. The median household income is $77,055, which is 1% above the national average. Median home value is $219,400, 21% below the US average. 37.6% of residents hold a bachelor's degree or higher.
ZIP code 63123 is classified by USPS as a standard delivery area and covers roughly 32.5 square miles in Saint Louis, St. Louis County, Missouri. The area is home to 49,308 residents, producing a population density of 1,518 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 63123 against Missouri and the nation.
On the economic side, the median household income for ZIP 63123 sits at $77,055 (15% above the Missouri average), while per-capita income is $44,373. The poverty rate stands at 7.9% and the unemployment rate at 2.2%. On housing, the median home value is $219,400 (15% above the state average) with median rent at $1,006 per month, and 74.9% of occupied units are owner-occupied, a direct signal of whether 63123 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 37.6% of adults hold a bachelor's degree or higher, the median age is 40.9, and the average commute is 24 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing St. Louis County, so you can benchmark 63123 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 63123
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 63123.
- Construction
Construction
115 establishments
- Health care and social assistance
Health care and social assistance
107 establishments
- Other services (except public administration)
Other services (except public administration)
92 establishments
- Retail trade
Retail trade
89 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
80 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 63123, Saint Louis, MO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
49,308
Population
32.5
Area (sq mi)
1,518
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 63123?
40.9
Median Age
48.4%
Male
51.6%
Female
13.2%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$77,055
Median Household Income
+15% vs state
$44,373
Per Capita Income
7.9%
Poverty Rate
2.2%
Unemployment Rate
23.7 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
23,178
Total Housing Units
21,755
Occupied Units
1,423
Vacant Units
2.25
Avg Household Size
Occupancy Type
$219,400
Median Home Value
+15% vs state
$1,006
Median Rent
1960
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+4.2%
YoY Change (2024)
220
HPI Index (2000 = 100)
+120%
Total Change Since 2000
Home values in ZIP 63123 have increased 4.2% over the past year (2024). Since 2000, this ZIP has seen +120% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +4.3% | 155 |
| 2021 | +10.0% | 171 |
| 2022 | +12.1% | 191 |
| 2023 | +10.4% | 211 |
| 2024 | +4.2% | 220 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 915 business establishments in ZIP 63123, employing approximately 13,475 people with a combined annual payroll of $767,582,000.
915
Businesses
13,475
Employees
$767.6M
Annual Payroll
17
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 115 | 12.6% |
| Health care and social assistance | 107 | 11.7% |
| Other services (except public administration) | 92 | 10.1% |
| Retail trade | 89 | 9.7% |
| Professional, scientific, and technical services | 80 | 8.7% |
| Accommodation and food services | 78 | 8.5% |
| Administrative and support and waste management and remediation services | 70 | 7.7% |
| Finance and insurance | 67 | 7.3% |
| Transportation and warehousing | 59 | 6.5% |
| Wholesale trade | 46 | 5.0% |
| Real estate and rental and leasing | 34 | 3.7% |
| Manufacturing | 28 | 3.1% |
| Educational services | 18 | 2.0% |
| Arts, entertainment, and recreation | 14 | 1.5% |
| Information | 9 | 1.0% |
| Management of companies and enterprises | 5 | 0.6% |
| Utilities | 4 | 0.4% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 63123 vs 63126 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 63126 | Saint Louis, MO | 15,112 | 2.8 mi |
| 63119 | Saint Louis, MO | 33,969 | 3.0 mi |
| 63125 | Saint Louis, MO | 32,201 | 2.8 mi |
| 63109 | Saint Louis, MO | 26,946 | 3.0 mi |
| 63143 | Saint Louis, MO | 9,678 | 4.3 mi |
| 63117 | Saint Louis, MO | 9,163 | 5.7 mi |
| 63111 | Saint Louis, MO | 20,313 | 4.2 mi |
| 63144 | Saint Louis, MO | 8,825 | 5.0 mi |
| 63116 | Saint Louis, MO | 43,540 | 4.0 mi |
| 63105 | Saint Louis, MO | 17,667 | 6.6 mi |
More ZIP Codes in St. Louis County
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Frequently Asked Questions
What county is ZIP code 63123 in? ▼
What is the population of ZIP code 63123? ▼
What is the median household income in ZIP 63123? ▼
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What is the demographic makeup of ZIP 63123? ▼
How many businesses are in ZIP code 63123? ▼
What are the main industries in ZIP code 63123? ▼
How have home values changed in ZIP code 63123? ▼
What is the education level in ZIP code 63123? ▼
What is the average commute time in ZIP 63123? ▼
What percentage of residents own vs. rent in ZIP 63123? ▼
What is the poverty rate in ZIP code 63123? ▼
ZIP Code Research Guides
Official Data Resources for Saint Louis, MO
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.