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zipcodes.pro — ZIP/63125

63125

ZIP 63125 is in Saint Louis, Missouri, mostly in St. Louis County; area codes 314 and 557; Central time. Saint Louis has 68 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
St. Louis +1 more
Metro area
St. Louis, MO-IL
Population
33,294
Coordinates
38.5194, -90.2927
☼ Live from 63125 — Saint Louis, MO

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Where 63125 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 63125
  • 🔢 Type 63125 into a pocket calculator and turn it upside down: SZIEg — not quite a word, sorry.
  • ➕ As a number, 63,125 = 5 × 5 × 5 × 5 × 101. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111011010010101
  • 🏠 Its numerical neighbours: 63124 (Saint Louis, MO, 9 mi away) and 63126 (Saint Louis, MO, 5 mi away).
  • 🔄 Backwards, 63125 becomes 52136 — and that is a real ZIP code: Cresco, IA, 348 miles away.
  • 👥 55 other ZIP codes are made of exactly the same digits (12563, 13625, 13652, 15236, 15362, 15623, …). The farthest-flung twin is 12563 in Patterson, NY, 906 miles away.
  • 🧭 Farther south than 55% of all ZIP codes, and farther west than 57%.
  • 🎯453 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 63125 and you would come out at 38.52°S, 89.71°E — 1,219 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 51m of daylight. Shortest: 9h 28m.
  • 📏 At 9.9 square miles of land, 63125 is bigger than 27% of ZIP codes — room for about 7.5 Central Parks.
🌙 The sky over 63125 today
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🌋 Shake report
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Source: USGS.

People and housing

Population33,294This ZIP33,294
Households13,820This ZIP13,820
Housing units14,949This ZIP14,949
Median age38.1This ZIP38.1Missouri39.0US 38.9
Median household income$61,624This ZIP$61,624Missouri$70,702US $80,734
Median home value$178,600This ZIP$178,600Missouri$230,300US $332,700
Median gross rent$957This ZIP$957Missouri$1,033US $1,413
Bachelor's degree or higher23.3%This ZIP23.3%
Mean commute23.9 minThis ZIP23.9 min
Population density3,352.5 / sq miThis ZIP3,352.5 / sq mi

Business and tax activity

Business establishments660This ZIP660
Employees11,096This ZIP11,096
Annual payroll$822,639,000This ZIP$822,639,000
Tax returns filed16,460This ZIP16,460
Total adjusted gross income$890,187,000This ZIP$890,187,000

Land area

Land area9.93 sq miThis ZIP9.93 sq mi
Water area0.80 sq miThis ZIP0.80 sq mi

Counties 63125 spans

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

CountyShare of this ZIP
St. Louis County 98.5%
St. Louis city 1.5%

Other place names in 63125

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

ZIP codes near 63125

ZIPCityDistance
63123 Saint Louis, MO 2.7 mi
63111 Saint Louis, MO 3.5 mi
63116 Saint Louis, MO 4.4 mi
63129 Saint Louis, MO 4.5 mi
63109 Saint Louis, MO 4.5 mi
63126 Saint Louis, MO 5.1 mi
63128 Saint Louis, MO 5.4 mi
63119 Saint Louis, MO 5.8 mi
63118 Saint Louis, MO 6.2 mi
63139 Saint Louis, MO 6.3 mi

Find every ZIP code within 10 miles of 63125 →

Questions about this ZIP code

Where is ZIP code 63125?

63125 is in Saint Louis, Missouri, in St. Louis County, part of the St. Louis, MO-IL metropolitan area. Its published point location is 38.5194, -90.2927.

What county is 63125 in?

63125 spans 2 counties: St. Louis County and St. Louis city. Most of it falls in St. Louis 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 63125?

Saint Louis uses area codes 314 and 557, from NANPA's telephone records.

What time zone is 63125 in?

63125 uses America/Chicago.

How many people live in 63125?

About 33,294 people live in ZIP code 63125, in 13,820 households, at 3,352.5 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 63125?

$61,624 a year, against $70,702 across Missouri.

What ZIP codes are near 63125?

The closest are 63123 (2.7 mi), 63111 (3.5 mi), 63116 (4.4 mi), 63129 (4.5 mi) and 63109 (4.5 mi).

Is 63125 a PO Box ZIP code?

63125 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “63125 ZIP Code — Saint Louis, Missouri (St. Louis County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/63125

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