ZIP Code 63368
standardSource:
O Fallon · St. Charles County · Missouri
- Population
- 43,360
- Median income
- $124,297
- Median home value
- $349,200
- Bachelor's or higher
- 50.9%
- Land area
- 42.7 sq mi
1,016/sq mi
▲ 63% vs US
higher than 92% of US ZIPs
▲ 26% vs US
higher than 74% of US ZIPs
Median age 38
Chicago
ZIP code 63368 in O Fallon, Missouri has a population of 43,360. The median household income is $124,297, which is 63% above the national average. Median home value is $349,200, 26% above the US average. 50.9% of residents hold a bachelor's degree or higher.
ZIP code 63368 is classified by USPS as a standard delivery area and covers roughly 42.7 square miles in O Fallon, St. Charles County, Missouri. The area is home to 43,360 residents, producing a population density of 1,016 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 63368 against Missouri and the nation.
On the economic side, the median household income for ZIP 63368 sits at $124,297 (86% above the Missouri average), while per-capita income is $52,532. The poverty rate stands at 3.8% and the unemployment rate at 2.1%. On housing, the median home value is $349,200 (83% above the state average) with median rent at $1,482 per month, and 82.0% of occupied units are owner-occupied, a direct signal of whether 63368 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 50.9% of adults hold a bachelor's degree or higher, the median age is 38, and the average commute is 25 minutes. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing St. Charles County, so you can benchmark 63368 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 63368
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 63368.
- Health care and social assistance
Health care and social assistance
158 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
92 establishments
- Finance and insurance
Finance and insurance
88 establishments
- Retail trade
Retail trade
82 establishments
- Accommodation and food services
Accommodation and food services
77 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 63368, O Fallon, 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
43,360
Population
42.7
Area (sq mi)
1,016
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 63368?
38.0
Median Age
48.5%
Male
51.5%
Female
6.8%
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?
$124,297
Median Household Income
+86% vs state
$52,532
Per Capita Income
3.8%
Poverty Rate
2.1%
Unemployment Rate
24.7 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?
17,614
Total Housing Units
17,271
Occupied Units
343
Vacant Units
2.70
Avg Household Size
Occupancy Type
$349,200
Median Home Value
+83% vs state
$1,482
Median Rent
2000
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
-0.6%
YoY Change (2024)
219
HPI Index (2000 = 100)
+119%
Total Change Since 2000
Home values in ZIP 63368 have decreased 0.6% over the past year (2024). Since 2000, this ZIP has seen +119% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +2.4% | 156 |
| 2021 | +8.9% | 170 |
| 2022 | +14.9% | 195 |
| 2023 | +12.5% | 220 |
| 2024 | -0.6% | 219 |
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 831 business establishments in ZIP 63368, employing approximately 13,412 people with a combined annual payroll of $992,563,000.
831
Businesses
13,412
Employees
$992.6M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 158 | 19.0% |
| Professional, scientific, and technical services | 92 | 11.1% |
| Finance and insurance | 88 | 10.6% |
| Retail trade | 82 | 9.9% |
| Accommodation and food services | 77 | 9.3% |
| Other services (except public administration) | 76 | 9.2% |
| Real estate and rental and leasing | 67 | 8.1% |
| Administrative and support and waste management and remediation services | 47 | 5.7% |
| Construction | 43 | 5.2% |
| Wholesale trade | 30 | 3.6% |
| Transportation and warehousing | 22 | 2.6% |
| Educational services | 15 | 1.8% |
| Arts, entertainment, and recreation | 12 | 1.4% |
| Manufacturing | 10 | 1.2% |
| Information | 9 | 1.1% |
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 63368 vs 63367 →
More ZIP Codes in St. Charles County
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Frequently Asked Questions
What county is ZIP code 63368 in? ▼
What is the population of ZIP code 63368? ▼
What is the median household income in ZIP 63368? ▼
What is the average home value in ZIP 63368? ▼
What is the demographic makeup of ZIP 63368? ▼
How many businesses are in ZIP code 63368? ▼
What are the main industries in ZIP code 63368? ▼
How have home values changed in ZIP code 63368? ▼
What is the education level in ZIP code 63368? ▼
What is the average commute time in ZIP 63368? ▼
What percentage of residents own vs. rent in ZIP 63368? ▼
What is the poverty rate in ZIP code 63368? ▼
ZIP Code Research Guides
Official Data Resources for O Fallon, 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.