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zipcodes.pro — ZIP/63645

63645

ZIP 63645 is Fredericktown, Missouri, mostly in Madison County; area codes 573 and 235; Central time.

Type
Standard
Time zone
America/Chicago
County
Madison +2 more
Metro area
none
Population
11,554
Coordinates
37.5434, -90.3260
☼ Live from 63645 — Fredericktown, MO

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Local time: —

Where 63645 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 63645
  • 🔢 Type 63645 into a pocket calculator and turn it upside down: ShgEg — not quite a word, sorry.
  • ➕ As a number, 63,645 = 3 × 5 × 4243. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111100010011101
  • 🏠 Its numerical neighbours: 63640 (Farmington, MO, 15 mi away) and 63648 (Irondale, MO, 28 mi away).
  • 🔄 Backwards, 63645 becomes 54636 — and that is a real ZIP code: Holmen, WI, 449 miles away.
  • 👥 29 other ZIP codes are made of exactly the same digits (34656, 35466, 35646, 36456, 36564, 43566, …). The farthest-flung twin is 34656 in New Port Richey, FL, 779 miles away.
  • 🧭 Farther south than 61% of all ZIP codes, and farther west than 57%.
  • 🎯472 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 63645 and you would come out at 37.54°S, 89.67°E — 1,265 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 45m of daylight. Shortest: 9h 34m.
  • 📏 At 359.3 square miles of land, 63645 is bigger than 96% of ZIP codes — room for about 273 Central Parks.
🌙 The sky over 63645 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population11,554This ZIP11,554
Households4,236This ZIP4,236
Housing units5,161This ZIP5,161
Median age40.2This ZIP40.2Missouri39.0US 38.9
Median household income$54,747This ZIP$54,747Missouri$70,702US $80,734
Median home value$157,500This ZIP$157,500Missouri$230,300US $332,700
Median gross rent$811This ZIP$811Missouri$1,033US $1,413
Bachelor's degree or higher17.5%This ZIP17.5%
Mean commute23.2 minThis ZIP23.2 min
Population density32.2 / sq miThis ZIP32.2 / sq mi

Business and tax activity

Business establishments217This ZIP217
Employees3,124This ZIP3,124
Annual payroll$125,917,000This ZIP$125,917,000
Tax returns filed4,890This ZIP4,890
Total adjusted gross income$271,489,000This ZIP$271,489,000

Land area

Land area359.29 sq miThis ZIP359.29 sq mi
Water area2.51 sq miThis ZIP2.51 sq mi

Counties 63645 spans

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

CountyShare of this ZIP
Madison County 87.4%
St. Francois County 8.3%
Ste. Genevieve County 4.3%

Other place names in 63645

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

ZIP codes near 63645

ZIPCityDistance
63651 Knob Lick, MO 9.4 mi
63655 Marquand, MO 13.1 mi
63621 Arcadia, MO 14.0 mi
63640 Farmington, MO 14.8 mi
63662 Patton, MO 15.1 mi
63637 Doe Run, MO 15.7 mi
63632 Cascade, MO 17.1 mi
63650 Ironton, MO 17.3 mi
63663 Pilot Knob, MO 18.5 mi
63950 Lodi, MO 20.0 mi

Find every ZIP code within 10 miles of 63645 →

Questions about this ZIP code

Where is ZIP code 63645?

63645 is in Fredericktown, Missouri, in Madison County. Its published point location is 37.5434, -90.3260.

What county is 63645 in?

63645 spans 3 counties: Madison County, St. Francois County and Ste. Genevieve County. Most of it falls in Madison 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 63645?

Fredericktown uses area codes 573 and 235, from NANPA's telephone records.

What time zone is 63645 in?

63645 uses America/Chicago.

How many people live in 63645?

About 11,554 people live in ZIP code 63645, in 4,236 households, at 32.2 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 63645?

$54,747 a year, against $70,702 across Missouri.

What ZIP codes are near 63645?

The closest are 63651 (9.4 mi), 63655 (13.1 mi), 63621 (14 mi), 63640 (14.8 mi) and 63662 (15.1 mi).

Is 63645 a PO Box ZIP code?

63645 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “63645 ZIP Code — Fredericktown, Missouri (Madison County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/63645

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/63645.json

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