US ZIP Code
63341

Defiance, MO

Saint Charles County  ·  Missouri

● Active
👥 3,554 Population
💰 $177,583 Median HH Income
▲ 133% above avg ↑ 68% since 2019
🎂 47.7 Median Age ↓ 3% since 2019
🏠 $552,600 Median Home Value
▲ 98% above avg ↑ 56% since 2019
🎓 59.1% College Grads
▲ 53% above avg
📊 2.5% Unemployment
▼ 50% below avg ↑ 63% since 2019
ZIP Code Details
ZIP Code63341
CityDefiance
StateMissouri (MO)
CountySaint Charles County
Area Code636
Elevation534 ft
Latitude38.660633
Longitude-90.806786
TimezoneChicago (DST)
FIPS29183
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 52.4% (1,861) Female 47.6% (1,693) ♀

Race & Ethnicity

White: 90.9%Hispanic: 2.4%Black: 0.3%Other: 4.3%Race
White90.9%
Hispanic2.4%
Black0.3%
Other4.3%

Age Breakdown

Under 5
4%
5–17
18%
18–24
8%
25–44
17%
45–64
38%
65+
8%

Key Indicators

Median Age47.7 yrs ↓ 3% since 2019
Avg Household Size2.78
Below Poverty4.2% ▼ 58% below avg
College Grads59.1% ▲ 53% above avg
Unemployment2.5% ▼ 50% below avg
HS Graduate669 (27.7%)
Some College147 (6.1%)
Associates173 (7.2%)
Bachelors147 (6.1%)
Graduate Degree1,282 (53%)

Education

HS Grad: 27.7%Some College: 6.1%Associates: 7.2%Bachelors: 6.1%Graduate: 53%Edu
HS Grad27.7%
Some College6.1%
Associates7.2%
Bachelors6.1%
Graduate53.0%
Housing & Income

Housing Tenure

Owner: 96.9%Renter: 3.1%Tenure
Owner96.9%
Renter3.1%

Home Value Distribution

$100k–150k
6%
$150k–200k
4%
$200k–300k
7%
$300k–500k
27%
Over $500k
56%

Financials

Median HH Income$177,583 ▲ 133% above avg ↑ 68% since 2019
Median Home Value$552,600 ▲ 98% above avg ↑ 56% since 2019
Home/Income Ratio3.1x (nat avg ~3.5x)
Median Rent$1,086/mo ↓ 2% since 2019
Total Units1,372
Vacant Units101
Avg HH Size2.78

Income Distribution

Under $25k
4%
$25k–50k
8%
$50k–75k
3%
$75k–100k
7%
$100k–150k
18%
$150k–200k
17%
Over $200k
43%
Employment & Commute

How People Get to Work

Drove Alone
77%
Work From Home
23%

Commute Time

Under 15 min
12%
15–30 min
35%
30–45 min
34%
Over 45 min
19%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
1%
1960s–1970s
13%
1980s–1990s
26%
2000+
60%

Summary

Total Units1,372
Vacant101
Owner Occupied96.9%
Renter Occupied3.1%
Avg HH Size2.78
Frequently Asked Questions
ZIP code 63341 is in Defiance, MO, in Saint Charles County.
ZIP code 63341 is located in Missouri (MO).
ZIP code 63341 is in Saint Charles County, MO.
ZIP 63341 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 63341 is 3,554 people (ACS 2023).
The median household income in ZIP code 63341 is $177,583 (ACS 2023).
The median home value in ZIP 63341 is $552,600 (ACS 2023).
About ZIP Code 63341

ZIP code 63341 is located in Defiance, Missouri, within Saint Charles County. With a population of 3,554, this is a sparsely populated ZIP code with a mature community — the median age is 47.7 years. Economically, 63341 is a affluent ZIP code: the median household income of $177,583 is more than double the national average.

Real estate in ZIP code 63341 represents a premium housing market. The median home value of $552,600 is significantly above the national average. Renters can expect to pay around $1,086 per month in median rent. Homeownership is strong here — 96.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 56% since 2019.

The population of 63341 is primarily White (90.94%). Residents are well-educated — 59.1% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 4.2%. Household income has grown by 68% since 2019.

The unemployment rate in 63341 stands at 2.5%, which is below the national average. About 21% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 72%.

Overall, ZIP code 63341 in Defiance, MO is characterized as affluent, well-educated, a mature community, and predominantly owner-occupied. With 3,554 residents, a median household income of $177,583, and a median home value of $552,600, it offers a clear picture of life in this part of Missouri.