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zipcodes.pro — ZIP/63357

63357

ZIP 63357 is Marthasville, Missouri, mostly in Warren County; area code 636; Central time.

Type
Standard
Time zone
America/Chicago
County
Warren +1 more
Metro area
St. Louis, MO-IL
Population
6,536
Coordinates
38.6478, -91.1038
☼ Live from 63357 — Marthasville, MO

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Where 63357 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 63357
  • 🔢 Type 63357 into a pocket calculator and turn it upside down: LSEEg — not quite a word, sorry.
  • ➕ As a number, 63,357 = 3 × 7 × 7 × 431. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111011101111101
  • 🏠 Its numerical neighbours: 63353 (Louisiana, MO, 56 mi away) and 63359 (Middletown, MO, 38 mi away).
  • 🔄 Backwards, 63357 becomes 75336 — and that is a real ZIP code: Dallas, TX, 516 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (33567, 33576, 33675, 33756, 33765, 35673, …). The farthest-flung twin is 33567 in Plant City, FL, 904 miles away.
  • 🧭 Farther south than 54% of all ZIP codes, and farther west than 59%.
  • 🎯408 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 63357 and you would come out at 38.65°S, 88.90°E — 1,181 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 52m of daylight. Shortest: 9h 28m.
  • 📏 At 122.9 square miles of land, 63357 is bigger than 82% of ZIP codes — room for about 93 Central Parks.
🌙 The sky over 63357 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population6,536This ZIP6,536
Households2,242This ZIP2,242
Housing units2,478This ZIP2,478
Median age38.9This ZIP38.9Missouri39.0US 38.9
Median household income$92,200This ZIP$92,200Missouri$70,702US $80,734
Median home value$292,600This ZIP$292,600Missouri$230,300US $332,700
Median gross rent$828This ZIP$828Missouri$1,033US $1,413
Bachelor's degree or higher24.6%This ZIP24.6%
Mean commute36.2 minThis ZIP36.2 min
Population density53.2 / sq miThis ZIP53.2 / sq mi

Business and tax activity

Business establishments108This ZIP108
Employees878This ZIP878
Annual payroll$45,952,000This ZIP$45,952,000
Tax returns filed2,870This ZIP2,870
Total adjusted gross income$244,270,000This ZIP$244,270,000

Land area

Land area122.90 sq miThis ZIP122.90 sq mi
Water area4.29 sq miThis ZIP4.29 sq mi

Counties 63357 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Warren County 96.2%
St. Charles County 3.8%

Other place names in 63357

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

ZIP codes near 63357

ZIPCityDistance
63378 Treloar, MO 4.5 mi
63342 Dutzow, MO 6.5 mi
63090 Washington, MO 8.3 mi
63068 New Haven, MO 9.5 mi
63390 Wright City, MO 11.3 mi
63014 Berger, MO 11.3 mi
63380 Truesdale, MO 11.5 mi
63332 Augusta, MO 11.9 mi
63383 Warrenton, MO 11.9 mi
63348 Foristell, MO 12.8 mi

Find every ZIP code within 10 miles of 63357 →

Questions about this ZIP code

Where is ZIP code 63357?

63357 is in Marthasville, Missouri, in Warren County, part of the St. Louis, MO-IL metropolitan area. Its published point location is 38.6478, -91.1038.

What county is 63357 in?

63357 spans 2 counties: Warren County and St. Charles County. Most of it falls in Warren County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 63357?

Marthasville uses area code 636, from NANPA's telephone records.

What time zone is 63357 in?

63357 uses America/Chicago.

How many people live in 63357?

About 6,536 people live in ZIP code 63357, in 2,242 households, at 53.2 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 63357?

$92,200 a year, against $70,702 across Missouri.

What ZIP codes are near 63357?

The closest are 63378 (4.5 mi), 63342 (6.5 mi), 63090 (8.3 mi), 63068 (9.5 mi) and 63390 (11.3 mi).

Is 63357 a PO Box ZIP code?

63357 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “63357 ZIP Code — Marthasville, Missouri (Warren County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/63357

Machine-readable version of these facts:

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