64840
ZIP 64840 is Diamond, Missouri, mostly in Newton County; area code 417; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Newton +1 more
- Metro area
- Joplin, MO-KS
- Population
- 3,325
- Coordinates
- 37.0201, -94.3429
Weather right now
Asking the National Weather Service…
Where 64840 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 64840 into a pocket calculator and turn it upside down: OhBhg — not quite a word, sorry.
- ➕ As a number, 64,840 = 2 × 2 × 2 × 5 × 1621. Its digits add up to 22, a total 2,607 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111110101001000 - 🏠 Its numerical neighbours: 64836 (Carthage, MO, 12 mi away) and 64841 (Duenweg, MO, 6 mi away).
- 🔄 Backwards, 64840 becomes 04846, which is not a ZIP code at all.
- 👥 39 other ZIP codes are made of exactly the same digits (04468, 04648, 04684, 04864, 06484, 08644, …). The farthest-flung twin is 04648 in Jonesboro, ME, 1,484 miles away.
- 🧭 Farther south than 64% of all ZIP codes, and farther west than 67%.
- 🎯300 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 64840 and you would come out at 37.02°S, 85.66°E — 1,149 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 42m of daylight. Shortest: 9h 37m.
- 📏 At 52.0 square miles of land, 64840 is bigger than 61% of ZIP codes — room for about 39 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,325This ZIP3,325 |
|---|---|
| Households | 1,216This ZIP1,216 |
| Housing units | 1,332This ZIP1,332 |
| Median age | 41.8This ZIP41.8Missouri39.0US 38.9 |
| Median household income | $65,000This ZIP$65,000Missouri$70,702US $80,734 |
| Median home value | $225,600This ZIP$225,600Missouri$230,300US $332,700 |
| Median gross rent | $705This ZIP$705Missouri$1,033US $1,413 |
| Bachelor's degree or higher | 23.2%This ZIP23.2% |
| Mean commute | 24.4 minThis ZIP24.4 min |
| Population density | 63.9 / sq miThis ZIP63.9 / sq mi |
Business and tax activity
| Business establishments | 45This ZIP45 |
|---|---|
| Employees | 315This ZIP315 |
| Annual payroll | $14,397,000This ZIP$14,397,000 |
| Tax returns filed | 1,240This ZIP1,240 |
| Total adjusted gross income | $73,868,000This ZIP$73,868,000 |
Land area
| Land area | 52.02 sq miThis ZIP52.02 sq mi |
|---|---|
| Water area | 0.10 sq miThis ZIP0.10 sq mi |
Counties 64840 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Newton County | 87.2% |
| Jasper County | 12.8% |
Other place names in 64840
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 64840
| ZIP | City | Distance |
|---|---|---|
64841 | Duenweg, MO | 5.5 mi |
64864 | Saginaw, MO | 6.9 mi |
64804 | Joplin, MO | 9.3 mi |
64844 | Granby, MO | 9.5 mi |
64835 | Carterville, MO | 10.3 mi |
64802 | Joplin, MO | 10.4 mi |
64803 | Joplin, MO | 10.4 mi |
64801 | Joplin, MO | 10.4 mi |
64850 | Neosho, MO | 11.4 mi |
64836 | Carthage, MO | 12.2 mi |
Find every ZIP code within 10 miles of 64840 →
Questions about this ZIP code
Where is ZIP code 64840?
64840 is in Diamond, Missouri, in Newton County, part of the Joplin, MO-KS metropolitan area. Its published point location is 37.0201, -94.3429.
What county is 64840 in?
64840 spans 2 counties: Newton County and Jasper County. Most of it falls in Newton 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 64840?
Diamond uses area code 417, from NANPA's telephone records.
What time zone is 64840 in?
64840 uses America/Chicago.
How many people live in 64840?
About 3,325 people live in ZIP code 64840, in 1,216 households, at 63.9 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 64840?
$65,000 a year, against $70,702 across Missouri.
What ZIP codes are near 64840?
The closest are 64841 (5.5 mi), 64864 (6.9 mi), 64804 (9.3 mi), 64844 (9.5 mi) and 64835 (10.3 mi).
Is 64840 a PO Box ZIP code?
64840 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “64840 ZIP Code — Diamond, Missouri (Newton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/64840
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/64840.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.