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Where 64780 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 64780 into a pocket calculator and turn it upside down: OBLhg — not quite a word, sorry.
- ➕ As a number, 64,780 = 2 × 2 × 5 × 41 × 79. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111110100001100 - 🏠 Its numerical neighbours: 64779 (Rich Hill, MO, 19 mi away) and 64781 (Roscoe, MO, 14 mi away).
- 🔄 Backwards, 64780 becomes 08746, which is not a ZIP code at all.
- 👥 47 other ZIP codes are made of exactly the same digits (04768, 04786, 06478, 06487, 06784, 07648, …). The farthest-flung twin is 04786 in Washburn, ME, 1,441 miles away.
- 🧭 Farther south than 58% of all ZIP codes, and farther west than 66%.
- 🎯272 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 64780 and you would come out at 38.06°S, 85.95°E — 1,103 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 31m.
- 📏 At 95.3 square miles of land, 64780 is bigger than 77% of ZIP codes — room for about 72 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 364This ZIP364 |
|---|---|
| Households | 177This ZIP177 |
| Housing units | 268This ZIP268 |
| Median age | 61.9This ZIP61.9Missouri39.0US 38.9 |
| Median household income | $44,107This ZIP$44,107Missouri$70,702US $80,734 |
| Median home value | $108,100This ZIP$108,100Missouri$230,300US $332,700 |
| Median gross rent | $809This ZIP$809Missouri$1,033US $1,413 |
| Bachelor's degree or higher | 13.1%This ZIP13.1% |
| Mean commute | 24.3 minThis ZIP24.3 min |
| Population density | 3.8 / sq miThis ZIP3.8 / sq mi |
Business and tax activity
| Business establishments | 10This ZIP10 |
|---|---|
| Employees | 31This ZIP31 |
| Annual payroll | $1,247,000This ZIP$1,247,000 |
| Tax returns filed | 250This ZIP250 |
| Total adjusted gross income | $13,968,000This ZIP$13,968,000 |
Land area
| Land area | 95.30 sq miThis ZIP95.30 sq mi |
|---|---|
| Water area | 2.99 sq miThis ZIP2.99 sq mi |
Counties 64780 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| St. Clair County | 58.3% |
| Bates County | 41.7% |
Other place names in 64780
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 64780
| ZIP | City | Distance |
|---|---|---|
64783 | Schell City, MO | 5.2 mi |
64724 | Appleton City, MO | 6.9 mi |
64750 | Harwood, MO | 10.2 mi |
64790 | Walker, MO | 13.6 mi |
64781 | Roscoe, MO | 13.7 mi |
64744 | El Dorado Springs, MO | 15.0 mi |
64770 | Montrose, MO | 15.7 mi |
64730 | Butler, MO | 18.7 mi |
64779 | Rich Hill, MO | 19.1 mi |
64763 | Lowry City, MO | 19.2 mi |
Find every ZIP code within 10 miles of 64780 →
Questions about this ZIP code
Where is ZIP code 64780?
64780 is in Rockville, Missouri, in St. Clair County. Its published point location is 38.0592, -94.0470.
What county is 64780 in?
64780 spans 2 counties: St. Clair County and Bates County. Most of it falls in St. Clair 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 64780?
Rockville uses area code 660, from NANPA's telephone records.
What time zone is 64780 in?
64780 uses America/Chicago.
How many people live in 64780?
About 364 people live in ZIP code 64780, in 177 households, at 3.8 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 64780?
$44,107 a year, against $70,702 across Missouri.
What ZIP codes are near 64780?
The closest are 64783 (5.2 mi), 64724 (6.9 mi), 64750 (10.2 mi), 64790 (13.6 mi) and 64781 (13.7 mi).
Is 64780 a PO Box ZIP code?
64780 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “64780 ZIP Code — Rockville, Missouri (St. Clair County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/64780
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/64780.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.