ZIP code 63373: Portage Des Sioux, MO
63373 is a ZIP code in Portage Des Sioux, Missouri, mainly in St. Charles County, part of the St. Louis, MO-IL metro area. About 690 people live here.
- Population
- 690
- Median household income
- $88,750
- Typical home value
- $242,300+4.3% in 12 months
- Median rent
- $1,082gross, per month
- Median age
- 46
- Homeowners
- 85.8%of occupied homes
Shaded: ZIP code 63373's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 63373 details
| City | Portage Des Sioux |
|---|---|
| State | Missouri |
| County | St. Charles County |
| Metro area | St. Louis, MO-IL |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 18.7 sq mi, plus 3.1 sq mi of water |
| Population density | 37 people per sq mi |
| Bachelor's degree or higher | 24.1% of adults 25+ |
| Average commute | 24.8 minutes |
| Center coordinates | 38.92955, -90.38534 |
ZIP codes near 63373
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 62028 | Elsah, IL | 2.6 mi | 1,385 |
| 62022 | Dow, IL | 6.0 mi | 1,088 |
| 63301 | Saint Charles, MO | 6.5 mi | 52,667 |
| 62037 | Grafton, IL | 7.1 mi | 1,814 |
| 63034 | Florissant, MO | 7.8 mi | 18,908 |
| 62035 | Godfrey, IL | 7.9 mi | 15,892 |
| 63031 | Florissant, MO | 8.3 mi | 50,196 |
| 63386 | West Alton, MO | 9.8 mi | 482 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 63373?
A typical home in ZIP code 63373 is worth about $242,300 (Zillow Home Value Index). The median household here earns $88,750 a year. See what buying here would cost per month, with Missouri average taxes and insurance filled in.
Monthly payment for a $242,300 homeWhat can a $88,750 income afford?Rental property numbers
About ZIP code 63373
What city is ZIP code 63373?
ZIP code 63373 is in Portage Des Sioux, MO, in St. Charles County.
What county is ZIP code 63373 in?
63373 is mainly in St. Charles County, Missouri.
What is the population of ZIP code 63373?
About 690 people live in ZIP code 63373, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 63373 in?
63373 is in Central Time (UTC−6). It observes daylight saving time.