ZIP code 63373
Where is ZIP code 63373?
Portage Des Sioux, Missouri
St. Charles County · Standard ZIP code
ZIP code 63373 belongs to Portage Des Sioux, Missouri in St. Charles County. 63373 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area codes 618 and 636. About 690 people live in the 63373 area, where the median household income is $88,750. The closest ZIP codes are 62028 (Elsah, 2.9 mi northeast), 62037 (Grafton, 5.8 mi northwest) and 63034 (Florissant, 8.1 mi southeast).
| ZIP code | 63373 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Portage Des Sioux |
| Also accepted | Prtg De Sioux, Prtg De Souix |
| State | Missouri (MO) |
| County | St. Charles County |
| Time zone | Central Time · now |
| Area codes | 618, 636 |
| Coordinates | 38.9259, -90.3863 map |
| 3-digit prefix | 633 |
Population and income in 63373
| Population | 690 · lower than 69% of Missouri ZIP codes |
|---|---|
| People per square mile | 37 · higher than 56% of Missouri ZIP codes |
| Median age | 46 years · higher than 69% of Missouri ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $88,750 · higher than 86% of Missouri ZIP codes |
| Income per person | $48,564 |
| Below the poverty line | 8.0% |
| Bachelor’s degree or higher | 24% of adults 25+ |
| Median home value | $221,300 · higher than 72% of Missouri ZIP codes |
| Median rent | $1,082 a month |
| Housing units | 303 |
| Households | 260 (2.65 people on average) |
| Owners / renters | 86% / 14% |
| Land area | 18.65 sq mi (plus 3.05 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 63373. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 63373
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 62028 | Elsah, IL | 2.9 mi NE | Standard |
| 62037 | Grafton, IL | 5.8 mi NW | Standard |
| 63034 | Florissant, MO | 8.1 mi SE | Standard |
| 63031 | Florissant, MO | 8.6 mi S | Standard |
| 62022 | Dow, IL | 8.6 mi NE | Standard |
| 63386 | West Alton, MO | 8.7 mi SE | Standard |
| 62036 | Golden Eagle, IL | 9.6 mi W | Standard |
| 62035 | Godfrey, IL | 9.8 mi E | Standard |
| 63042 | Hazelwood, MO | 10.1 mi S | Standard |
| 63033 | Florissant, MO | 10.6 mi SE | Standard |
| 63301 | Saint Charles, MO | 10.8 mi SW | Standard |
| 62013 | Brussels, IL | 11 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 63373 or measure the distance to another ZIP code.
How to address mail to 63373
123 MAIN ST
PORTAGE DES SIOUX MO 63373
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts PRTG DE SIOUX and PRTG DE SOUIX as the city name for 63373. Avoid Machens: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (63373-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 63373?
- 63373 is a Portage Des Sioux, Missouri ZIP code. Prtg De Sioux and Prtg De Souix are also accepted as the city name.
- What county is 63373 in?
- ZIP code 63373 is in St. Charles County, Missouri.
- What time zone is ZIP code 63373 in?
- 63373 is in the Central Time zone (America/Chicago).
- What area code is 63373?
- Phone numbers in ZIP code 63373 use area codes 618 and 636.
- What is the population of ZIP code 63373?
- About 690 people live in ZIP code 63373, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 63373?
- The median household income in 63373 is $88,750 a year, higher than 86% of Missouri ZIP codes.
- What ZIP codes are near 63373?
- The nearest ZIP codes to 63373 are 62028 (Elsah, 2.9 miles), 62037 (Grafton, 5.8 miles), 63034 (Florissant, 8.1 miles) and 63031 (Florissant, 8.6 miles).