ZIP Code 63373

standard

Source:

Portage Des Sioux · St. Charles County · Missouri

Population
603

14/sq mi

Median income
$88,750

▲ 16% vs US

higher than 72% of US ZIPs

Median home value
$221,300

▼ 20% vs US

higher than 50% of US ZIPs

Bachelor's or higher
24.1%

Median age 46

Land area
43.1 sq mi

Chicago

ZIP code 63373 in Portage Des Sioux, Missouri has a population of 603. The median household income is $88,750, which is 16% above the national average. Median home value is $221,300, 20% below the US average. 24.1% of residents hold a bachelor's degree or higher.

ZIP code 63373 is classified by USPS as a standard delivery area and covers roughly 43.1 square miles in Portage Des Sioux, St. Charles County, Missouri. The area is home to 603 residents, producing a population density of 14 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 63373 against Missouri and the nation.

On the economic side, the median household income for ZIP 63373 sits at $88,750 (33% above the Missouri average), while per-capita income is $48,564. The poverty rate stands at 8.0% and the unemployment rate at 2.6%. On housing, the median home value is $221,300 (16% above the state average) with median rent at $1,082 per month, and 85.8% of occupied units are owner-occupied, a direct signal of whether 63373 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 24.1% of adults hold a bachelor's degree or higher, the median age is 46, and the average commute is . We also surface 8 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing St. Charles County, so you can benchmark 63373 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 →

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 63373, Portage Des Sioux, 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

603

Population

43.1

Area (sq mi)

14

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 63373?

46.0

Median Age

49.3%

Male

50.7%

Female

1.2%

Foreign-Born

White 91.0%
African American 1.0%
Asian 0.3%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.7%
Hispanic or Latino 6.7%

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?

$88,750

Median Household Income

+33% vs state

$48,564

Per Capita Income

8.0%

Poverty Rate

2.6%

Unemployment Rate

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

What is the education profile here?

High School Graduate or Higher 65.4%
Bachelor's Degree or Higher 24.1%

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

What does housing look like?

303

Total Housing Units

260

Occupied Units

43

Vacant Units

2.65

Avg Household Size

Occupancy Type

Owner 85.8%
Renter 14.2%

$221,300

Median Home Value

+16% vs state

$1,082

Median Rent

1968

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 13 business establishments in ZIP 63373, employing approximately 60 people with a combined annual payroll of $1,892,000.

13

Businesses

60

Employees

$1.9M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Construction 3 23.1%

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 63373 vs 62028 →

ZIP Code City Population Distance
62028 Elsah, IL 1,276 2.9 mi
62022 Dow, IL 1,138 6.1 mi
63301 Saint Charles, MO 48,514 6.1 mi
63042 Hazelwood, MO 19,602 10.0 mi
62037 Grafton, IL 1,993 6.8 mi
63031 Florissant, MO 48,212 8.4 mi
63034 Florissant, MO 17,761 8.0 mi
63033 Florissant, MO 43,000 11.2 mi

More ZIP Codes in St. Charles County

Frequently Asked Questions

What county is ZIP code 63373 in?
ZIP code 63373 (Portage Des Sioux) 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 63373?
ZIP code 63373 in Portage Des Sioux, MO has a population of 603 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 63373?
The median household income in ZIP 63373 is $88,750, which is 16% above the national average of $76,288.
What is the average home value in ZIP 63373?
The median home value in ZIP 63373 is $221,300, which is 20% below the national average of $278,155.
What is the demographic makeup of ZIP 63373?
The largest racial group in ZIP 63373 is White at 91.0%. Hispanic or Latino residents make up 6.7% of the population.
How many businesses are in ZIP code 63373?
ZIP code 63373 has 13 business establishments employing approximately 60 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 63373?
In ZIP code 63373, 65.4% of residents aged 25+ have a high school diploma or higher, and 24.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 63373?
In ZIP code 63373, approximately 85.8% of occupied housing units are owner-occupied and 14.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 63373?
The poverty rate in ZIP code 63373 is 8.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Portage Des Sioux, 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.

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