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zipcodes.pro — ZIP/63373

63373

ZIP 63373 is Portage Des Sioux, Missouri, in St. Charles County; area code 636; Central time.

Type
Standard
Time zone
America/Chicago
County
St. Charles
Metro area
St. Louis, MO-IL
Population
690
Coordinates
38.9295, -90.3853
☼ Live from 63373 — Portage Des Sioux, MO

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Where 63373 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 63373
  • 🔢 Type 63373 into a pocket calculator and turn it upside down: ELEEg — not quite a word, sorry.
  • ➕ As a number, 63,373 = 127 × 499. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111011110001101
  • 🏠 Its numerical neighbours: 63370 (Olney, MO, 47 mi away) and 63376 (Saint Peters, MO, 15 mi away).
  • 🔄 Backwards, 63373 becomes 37336 — and that is a real ZIP code: Georgetown, TN, 391 miles away.
  • 👥 8 other ZIP codes are made of exactly the same digits (33637, 33673, 33736, 33763, 36373, 37336, …). The farthest-flung twin is 33673 in Tampa, FL, 890 miles away.
  • 🧭 Farther south than 51% of all ZIP codes, and farther west than 57%.
  • 🎯442 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 63373 and you would come out at 38.93°S, 89.61°E — 1,195 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
  • 📏 At 18.7 square miles of land, 63373 is bigger than 36% of ZIP codes — room for about 14 Central Parks.
🌙 The sky over 63373 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population690This ZIP690
Households260This ZIP260
Housing units303This ZIP303
Median age46.0This ZIP46.0Missouri39.0US 38.9
Median household income$88,750This ZIP$88,750Missouri$70,702US $80,734
Median home value$221,300This ZIP$221,300Missouri$230,300US $332,700
Median gross rent$1,082This ZIP$1,082Missouri$1,033US $1,413
Bachelor's degree or higher24.1%This ZIP24.1%
Mean commute24.8 minThis ZIP24.8 min
Population density37.0 / sq miThis ZIP37.0 / sq mi

Business and tax activity

Business establishments13This ZIP13
Employees60This ZIP60
Annual payroll$1,892,000This ZIP$1,892,000
Tax returns filed300This ZIP300
Total adjusted gross income$20,326,000This ZIP$20,326,000

Land area

Land area18.65 sq miThis ZIP18.65 sq mi
Water area3.05 sq miThis ZIP3.05 sq mi

Other place names in 63373

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 63373

ZIPCityDistance
62028 Elsah, IL 2.6 mi
62022 Dow, IL 6.0 mi
63301 Saint Charles, MO 6.5 mi
62037 Grafton, IL 7.1 mi
63034 Florissant, MO 7.8 mi
62035 Godfrey, IL 7.9 mi
63031 Florissant, MO 8.3 mi
63386 West Alton, MO 9.8 mi
63042 Hazelwood, MO 10.2 mi
62013 Brussels, IL 10.3 mi

Find every ZIP code within 10 miles of 63373 →

Questions about this ZIP code

Where is ZIP code 63373?

63373 is in Portage Des Sioux, Missouri, in St. Charles County, part of the St. Louis, MO-IL metropolitan area. Its published point location is 38.9295, -90.3853.

What county is 63373 in?

63373 lies in St. Charles County.

What area code is 63373?

Portage Des Sioux uses area code 636, from NANPA's telephone records.

What time zone is 63373 in?

63373 uses America/Chicago.

How many people live in 63373?

About 690 people live in ZIP code 63373, in 260 households, at 37.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 63373?

$88,750 a year, against $70,702 across Missouri.

What ZIP codes are near 63373?

The closest are 62028 (2.6 mi), 62022 (6 mi), 63301 (6.5 mi), 62037 (7.1 mi) and 63034 (7.8 mi).

Is 63373 a PO Box ZIP code?

63373 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “63373 ZIP Code — Portage Des Sioux, Missouri (St. Charles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/63373

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