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Where 64491 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 64491 into a pocket calculator and turn it upside down: IGhhg — not quite a word, sorry.
- ➕ As a number, 64,491 = 3 × 7 × 37 × 83. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111101111101011 - 🏠 Its numerical neighbours: 64490 (Stewartsville, MO, 66 mi away) and 64492 (Trimble, MO, 79 mi away).
- 🔄 Backwards, 64491 becomes 19446 — and that is a real ZIP code: Lansdale, PA, 1,054 miles away.
- 👥 21 other ZIP codes are made of exactly the same digits (14469, 14649, 14694, 19446, 19464, 41649, …). The farthest-flung twin is 94146 in San Francisco, CA, 1,457 miles away.
- 🧭 Farther north than 61% of all ZIP codes, and farther west than 69%.
- 🎯175 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 64491 and you would come out at 40.45°S, 84.64°E — 933 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 17m.
- 📏 At 115.5 square miles of land, 64491 is bigger than 81% of ZIP codes — room for about 88 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,638This ZIP1,638 |
|---|---|
| Households | 766This ZIP766 |
| Housing units | 880This ZIP880 |
| Median age | 51.4This ZIP51.4Missouri39.0US 38.9 |
| Median household income | $57,500This ZIP$57,500Missouri$70,702US $80,734 |
| Median home value | $91,300This ZIP$91,300Missouri$230,300US $332,700 |
| Median gross rent | $667This ZIP$667Missouri$1,033US $1,413 |
| Bachelor's degree or higher | 20.9%This ZIP20.9% |
| Mean commute | 21.9 minThis ZIP21.9 min |
| Population density | 14.2 / sq miThis ZIP14.2 / sq mi |
Business and tax activity
| Business establishments | 51This ZIP51 |
|---|---|
| Employees | 262This ZIP262 |
| Annual payroll | $7,952,000This ZIP$7,952,000 |
| Tax returns filed | 840This ZIP840 |
| Total adjusted gross income | $54,458,000This ZIP$54,458,000 |
Land area
| Land area | 115.53 sq miThis ZIP115.53 sq mi |
|---|---|
| Water area | 0.04 sq miThis ZIP0.04 sq mi |
Other place names in 64491
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 64491
| ZIP | City | Distance |
|---|---|---|
64498 | Westboro, MO | 6.9 mi |
64446 | Fairfax, MO | 8.7 mi |
64482 | Rock Port, MO | 10.4 mi |
51647 | Northboro, IA | 11.0 mi |
64445 | Elmo, MO | 12.8 mi |
51630 | Blanchard, IA | 13.7 mi |
64428 | Burlington Junction, MO | 14.3 mi |
64496 | Watson, MO | 14.3 mi |
51636 | Coin, IA | 16.6 mi |
64487 | Skidmore, MO | 17.1 mi |
Find every ZIP code within 10 miles of 64491 →
Questions about this ZIP code
Where is ZIP code 64491?
64491 is in Tarkio, Missouri, in Atchison County. Its published point location is 40.4460, -95.3581.
What county is 64491 in?
64491 lies in Atchison County.
What area code is 64491?
Tarkio uses area code 660, from NANPA's telephone records.
What time zone is 64491 in?
64491 uses America/Chicago.
How many people live in 64491?
About 1,638 people live in ZIP code 64491, in 766 households, at 14.2 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 64491?
$57,500 a year, against $70,702 across Missouri.
What ZIP codes are near 64491?
The closest are 64498 (6.9 mi), 64446 (8.7 mi), 64482 (10.4 mi), 51647 (11 mi) and 64445 (12.8 mi).
Is 64491 a PO Box ZIP code?
64491 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “64491 ZIP Code — Tarkio, Missouri (Atchison County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/64491
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/64491.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.