ZIP Code 63366: Population, Income, Housing

State: MO
Total population: 54,769 Household income: $100,621 Rent: $1,302

Overview

Total population
54,769
Rent
$1,302
Year built
1998
Household income
$100,621
Per capita income
$45,718
Poverty rate
7%
Unemployment rate
N/A
Household size
2.6 persons
Rent over 30% of income
43.2%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Demographics

State
Missouri
County
St. Charles County
City
O'fallon
Total population
54,769
Adults over 25
38,687
Total households
20,967
Household size
2.6 persons

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Income & Poverty

Household income
$100,621
Per capita income
$45,718
Poverty rate
7%
Unemployment rate
N/A
Rent over 30% of income
43.2%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Housing

Rent
$1,302
Year built
1998
Households that rent
17.9%
Households that own
82.1%
Rooms per home (all homes)
6.1

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Race

White
81.5%
Black
5.5%
Asian
3.1%
Two or more races
8.9%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Ethnicity

Hispanic or Latino
6.4%
Not Hispanic or Latino
93.6%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Commute

Commute rate
24,904 (83.7%)
Commute time to work
25 mins
Work from home
4,836 (16.3%)

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Education

Less than high school
28.3%
High school graduate or GED
29.1%
Some college or associate degree
9.3%
Bachelor’s degree or higher
33.3%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

 

Comparison of ZIP Code 63366 with: St. Charles County, MO St. Louis metro area, MO-IL Missouri United States

ZIP 63366

Total population54,769
Rent$1,302
Year built1998
Household income$100,621
Per capita income$45,718
Poverty rate7%
Unemployment rateN/A

St. Charles County, MO

Total population414,535
Rent$1,370
Year built1994
Household income$104,692
Per capita income$51,051
Poverty rate5.2%
Unemployment rate2.7%

St. Louis Metro Area, MO-IL

Total population2,810,850
Rent$1,113
Year built1973
Household income$80,196
Per capita income$45,864
Poverty rate10.5%
Unemployment rate3.7%

Missouri State

Total population6,191,814
Rent$1,033
Year built1978
Household income$70,702
Per capita income$39,695
Poverty rate12.6%
Unemployment rate3.6%

United States

Total population334,922,499
Rent$1,413
Year built1980
Household income$80,734
Per capita income$44,673
Poverty rate12.5%
Unemployment rate4%
Metric ZIP63366 CountySt. Charles, MOMetro AreaSt. Louis metro area, MO-ILStateMissouriCountryUnited States
Total population54,769414,5352,810,8506,191,814334,922,499
Rent$1,302$1,370$1,113$1,033$1,413
Year built19981994197319781980
Household income$100,621$104,692$80,196$70,702$80,734
Per capita income$45,718$51,051$45,864$39,695$44,673
Poverty rate7%5.2%10.5%12.6%12.5%
Unemployment rateN/A2.7%3.7%3.6%4%

View the full multi-level comparison →

 

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Summary for 63366

Rent & Income

In 63366, the typical monthly rent is $1,302 and the typical household income is $100,621. Rent here is higher than Missouri, and household income is higher than Missouri. The estimated poverty rate is 7%.

Housing & Affordability

This ZIP Code is primarily owner-occupied, with renters accounting for about 17.9% of households. About 43.2% of renters spend more than 30% of their income on housing, indicating high cost burden.

Education & Employment

Educational attainment is moderate, with about 33.3% of adults holding a bachelor’s degree or higher.

 

ZIP 63366 — Rent vs Household Income

 

 

ZIP 63366 — Poverty

 

 

How ZIP 63366 compares in Missouri (47 ZIP Codes)

Metric This ZIP Rank Starts from State range
Rent $1,302 34 / 47 from lower rent $791 – $1,749
Household income $100,621 10 / 47 from higher income $41,154 – $136,385
Poverty rate 7% 19 / 47 from lower poverty 3.5% – 34.2%

Rankings are calculated among ZIP Codes in Missouri with total population > 30,000 (year 2024).

 

Detailed Ranking Explanation for ZIP Code 63366

Rent

In terms of rental prices, this ZIP stands 34th out of 47 ZIP Codes in Missouri. Across Missouri, figures vary from $791 in ZIP 63901 up to $1,749 in ZIP 63304.

Household income

When comparing household incomes, ZIP Code 63366 stands 10th out of 47 ZIP Codes. Throughout Missouri, numbers span from $41,154 in ZIP 63136 up to $136,385 in ZIP 63122.

Poverty rate

Looking at poverty indicators, this ZIP stands 19th out of 47 ZIP Codes. At the state level, values extend from 3.5% in ZIP 63304 up to 34.2% in ZIP 65201.

 

💰 Rent in ZIP Code 63366 (with Utilities)

Estimated Monthly Rent: $1,302 ℹ️ What’s Included:
✅ Base rent, electricity, gas, water/sewer, and heating fuels
❌ Not included: internet, cable TV, renter's insurance, parking

💡 What does this rent estimate mean?

Explanation: This estimate shows what renters typically pay each month for housing — including the apartment or home and essential utilities like heat, water, and electricity.

Included in this number: Rent plus electricity, gas, water/sewer, and heating fuel.

Not included: Internet, cable, parking, renter’s insurance, or furniture rental.

Note: This cost does not depend on the number of people living in the home.

👨‍👧‍👦 Household Income in ZIP Code 63366

Annual Household Income: $100,621

💡 What does Household Income mean?

Definition: This represents the middle value of all household incomes in the ZIP code — half of households earn less, and half earn more.

Includes: wages, salaries, self-employment income, Social Security, pensions, investments, unemployment, public assistance, and rental income.

Does NOT include: capital gains, non-cash benefits (like food stamps), or tax refunds.

Household = any group of people (or a single person) living in the same housing unit.

Example: A couple earning $40,000 and $30,000 together have a household income of $70,000. If that's in the middle of all local incomes, it's the value shown here.

📉 Poverty Rate in ZIP Code 63366

Estimated Rate: 7%

💡 What does the Poverty Rate represent?

Definition: The percentage of people in this area living below the federal poverty threshold.

How it works: The threshold is a dollar amount set by the U.S. Census Bureau that varies by family size and age. If a household's income is below that level, everyone in it is included in this rate.

Example: In a town of 10,000 people, if 1,500 have incomes below the poverty line, the poverty rate is 15%.

Note: This statistic only includes people living in households; it does not count those in student housing, military barracks, or nursing homes.

🏘️ Renter vs. Owner Households in ZIP Code 63366

In ZIP Code 63366, households that rent: 3,761 (17.9%)

📊 What does the renter household percentage reveal about this ZIP Code?
Household Type Count Share
Renter-Occupied 3,761 17.9%
Owner-Occupied 17,206 82.1%

Definition: This is the percentage of households that rent their home rather than own it. It includes only occupied housing units.

Why it matters: Areas with a high share of renter households often have younger populations, higher mobility, and different housing needs compared to mostly owner-occupied areas.

Example: If 65% of homes in an area are renter-occupied, it means 65 out of every 100 households rent their home.

📉 Renters Spending Over 30% of Income on Rent in ZIP Code 63366

In ZIP Code 63366, cost-burdened renters (households spending over 30% of income on housing): 1,624 (43.2%)

🏚️ What Does It Mean When Renters Spend Over 30% of Their Income on Housing?
Household Group Households Share
Cost-burdened renters (over 30%) 1,624 43.2%
Other renter households 2,137 56.8%
Total renter households 3,761 100%

Shares are calculated as a percentage of renter households.

This shows how many renters in the ZIP code are considered cost-burdened — meaning they spend more than 30% of their income on housing (rent and basic utilities).

It’s a sign that housing might be unaffordable in the area or that lower-income residents may be struggling with rent.

Data comes from the U.S. Census Bureau’s American Community Survey.

📊 Education Levels in ZIP Code 63366

Less than High School: 10,949 people (28.3%)

Includes adults who did not complete high school.

High School Graduate or GED: 11,243 people (29.1%)

Includes adults whose highest education is a high school diploma or GED.

Some College or Associate Degree: 3,603 people (9.3%)

Includes adults who attended college without completing a bachelor’s degree (some college or associate degree).

Bachelor’s Degree or Higher: 12,892 people (33.3%)

Includes adults with a bachelor’s degree or higher (bachelor’s, master’s, professional, or doctoral degree).

👥 Total Adults (25+): 38,687

ℹ️ Have questions about how these statistics are calculated? See our data methodology & FAQs

 

Source: ACS 5-Year Estimates (U.S. Census Bureau) — unemployment rate from BLS. Some values are derived metrics.