63090
ZIP 63090 is Washington, Missouri, in Franklin County; area code 636; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Franklin
- Metro area
- St. Louis, MO-IL
- Population
- 23,258
- Coordinates
- 38.5355, -91.0487
Weather right now
Asking the National Weather Service…
Where 63090 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.
- 🔢 Type 63090 into a pocket calculator and turn it upside down: OGOEg — not quite a word, sorry.
- ➕ As a number, 63,090 = 2 × 3 × 3 × 5 × 701. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111011001110010 - 🏠 Its numerical neighbours: 63089 (Villa Ridge, MO, 11 mi away) and 63091 (Rosebud, MO, 22 mi away).
- 🔄 Backwards, 63090 becomes 09036 — and that is a real ZIP code: APO AE, a military post office, 4,678 miles away.
- 👥 31 other ZIP codes are made of exactly the same digits (00693, 00936, 00963, 03609, 03906, 06039, …). The farthest-flung twin is 09630 in APO AE, a military post office, 4,907 miles away.
- 🧭 Farther south than 55% of all ZIP codes, and farther west than 59%.
- 🎯413 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 63090 and you would come out at 38.54°S, 88.95°E — 1,189 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 81.5 square miles of land, 63090 is bigger than 73% of ZIP codes — room for about 62 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 23,258This ZIP23,258 |
|---|---|
| Households | 9,819This ZIP9,819 |
| Housing units | 10,117This ZIP10,117 |
| Median age | 44.1This ZIP44.1Missouri39.0US 38.9 |
| Median household income | $85,025This ZIP$85,025Missouri$70,702US $80,734 |
| Median home value | $273,600This ZIP$273,600Missouri$230,300US $332,700 |
| Median gross rent | $881This ZIP$881Missouri$1,033US $1,413 |
| Bachelor's degree or higher | 32.7%This ZIP32.7% |
| Mean commute | 21.8 minThis ZIP21.8 min |
| Population density | 285.2 / sq miThis ZIP285.2 / sq mi |
Business and tax activity
| Business establishments | 864This ZIP864 |
|---|---|
| Employees | 13,182This ZIP13,182 |
| Annual payroll | $716,902,000This ZIP$716,902,000 |
| Tax returns filed | 11,940This ZIP11,940 |
| Total adjusted gross income | $1,013,474,000This ZIP$1,013,474,000 |
Land area
| Land area | 81.54 sq miThis ZIP81.54 sq mi |
|---|---|
| Water area | 1.81 sq miThis ZIP1.81 sq mi |
Other place names in 63090
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 63090
| ZIP | City | Distance |
|---|---|---|
63342 | Dutzow, MO | 5.6 mi |
63084 | Union, MO | 8.0 mi |
63357 | Marthasville, MO | 8.3 mi |
63332 | Augusta, MO | 9.4 mi |
63089 | Villa Ridge, MO | 10.5 mi |
63013 | Beaufort, MO | 10.6 mi |
63378 | Treloar, MO | 10.6 mi |
63068 | New Haven, MO | 10.8 mi |
63039 | Gray Summit, MO | 11.5 mi |
63055 | Labadie, MO | 11.6 mi |
Find every ZIP code within 10 miles of 63090 →
Questions about this ZIP code
Where is ZIP code 63090?
63090 is in Washington, Missouri, in Franklin County, part of the St. Louis, MO-IL metropolitan area. Its published point location is 38.5355, -91.0487.
What county is 63090 in?
63090 lies in Franklin County.
What area code is 63090?
Washington uses area code 636, from NANPA's telephone records.
What time zone is 63090 in?
63090 uses America/Chicago.
How many people live in 63090?
About 23,258 people live in ZIP code 63090, in 9,819 households, at 285.2 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 63090?
$85,025 a year, against $70,702 across Missouri.
What ZIP codes are near 63090?
The closest are 63342 (5.6 mi), 63084 (8 mi), 63357 (8.3 mi), 63332 (9.4 mi) and 63089 (10.5 mi).
Is 63090 a PO Box ZIP code?
63090 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “63090 ZIP Code — Washington, Missouri (Franklin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/63090
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/63090.json Underlying data is public domain or openly licensed — sources, vintages and licences.