PlainZIP

O Fallon, MO · standard

ZIP Code 63368

St. Charles County, Missouri - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

43,360
1,016/sq mi
$124,297
Median income
$349,200
Median home value
50.9%
Bachelor's or higher

The verdict

O Fallon pairs a top-decile household income with above-median home values, in a low-density, homeowner-dominated area.

Top 8%
household income, US ZIPs
Top 26%
home value, US ZIPs
1,016
people per sq mi
82%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 63368 against every reporting US ZIP.

ZIP code 63368 is a densely settled ZIP (a standard USPS delivery area) in O Fallon, St. Charles County, Missouri, with 43,360 residents across 42.7 square miles, a density of 1,016 people per square mile, in the Chicago time zone.

ZIP 63368 skews affluent, with a median household income of $124,297 (86% above the Missouri average), while per-capita income is $52,532. Local economic indicators show a 3.8% poverty rate alongside 2.1% unemployment. Housing costs here run $349,200 for a typical home value (83% above the state average), with rent averaging $1,482 a month; 82.0% of homes are owner-occupied.

This is a highly-educated ZIP: 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 on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 63368

Top 5 sectors by establishment count in O Fallon, MO

Which industries have the most business establishments in ZIP 63368.

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 · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 63368?

38.0

Median Age

48.5%

Male

51.5%

Female

6.8%

Foreign-Born

White 82.6%
African American 3.8%
Asian 6.6%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 5.3%
Hispanic or Latino 3.6%

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

How ZIP 63368 ranks nationally

O Fallon, MO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$124,297 Top 8% higher than 92% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 69.4%
Bachelor's Degree or Higher 50.9%

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

Owner 82.0%
Renter 18.0%

$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 →

ZIP 63368 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 63368 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 63368 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 63368 ranks #4 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
63367 Lake Saint Louis, MO 19,433 4.0 mi
63304 Saint Charles, MO 40,336 4.7 mi
63366 O Fallon, MO 46,175 7.5 mi
63341 Defiance, MO 3,530 6.9 mi
63376 Saint Peters, MO 70,828 6.9 mi
63385 Wentzville, MO 35,750 7.6 mi
63005 Chesterfield, MO 17,753 8.6 mi

More ZIP Codes in St. Charles County

63376 standard
Saint Peters, MO
Pop: 70,828
63301 standard
Saint Charles, MO
Pop: 48,514
63366 standard
O Fallon, MO
Pop: 46,175
63303 standard
Saint Charles, MO
Pop: 45,834
63304 standard
Saint Charles, MO
Pop: 40,336
63385 standard
Wentzville, MO
Pop: 35,750

Related Areas

St. Charles County O Fallon, MO Missouri

Frequently Asked Questions

What county is ZIP code 63368 in? ▼
ZIP code 63368 (O Fallon) is located in St. Charles County, Missouri. St. Charles County contains multiple ZIP codes, see the full list at /counties/st-charles-mo.
What is the population of ZIP code 63368? ▼
ZIP code 63368 in O Fallon, MO has a population of 43,360 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 63368? ▼
The median household income in ZIP 63368 is $124,297, which is 63% above the national average of $76,288.
What is the average home value in ZIP 63368? ▼
The median home value in ZIP 63368 is $349,200, which is 26% above the national average of $278,155.
What is the demographic makeup of ZIP 63368? ▼
The largest racial group in ZIP 63368 is White at 82.6%. Hispanic or Latino residents make up 3.6% of the population.
How many businesses are in ZIP code 63368? ▼
ZIP code 63368 has 831 business establishments employing approximately 13,412 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 63368? ▼
The top industries by establishment count in ZIP 63368 are: Health care and social assistance (158), Professional, scientific, and technical services (92), Finance and insurance (88). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 63368? ▼
According to the FHFA House Price Index, home values in ZIP 63368 decreased by 0.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 119%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 63368? ▼
In ZIP code 63368, 69.4% of residents aged 25+ have a high school diploma or higher, and 50.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 63368? ▼
The mean commute time for workers in ZIP code 63368 is 24.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 63368? ▼
In ZIP code 63368, approximately 82.0% of occupied housing units are owner-occupied and 18.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 63368? ▼
The poverty rate in ZIP code 63368 is 3.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.