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Where 72845 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 72845 into a pocket calculator and turn it upside down: ShBZL — not quite a word, sorry.
- ➕ As a number, 72,845 = 5 × 17 × 857. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10001110010001101 - 🏠 Its numerical neighbours: 72843 (Hector, AR, 31 mi away) and 72846 (Lamar, AR, 9 mi away).
- 🔄 Backwards, 72845 becomes 54827 — and that is a real ZIP code: Cornucopia, WI, 799 miles away.
- 👥 44 other ZIP codes are made of exactly the same digits (24578, 24857, 27584, 27845, 28457, 28547, …). The farthest-flung twin is 84725 in Enterprise, UT, 1,142 miles away.
- 🧭 Farther south than 72% of all ZIP codes, and farther west than 64%.
- 🎯420 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 72845 and you would come out at 35.36°S, 86.62°E — 1,273 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 33m of daylight. Shortest: 9h 46m.
- 📏 At 11.1 square miles of land, 72845 is bigger than 28% of ZIP codes — room for about 8.4 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,063This ZIP1,063 |
|---|---|
| Households | 480This ZIP480 |
| Housing units | 520This ZIP520 |
| Median age | 41.7This ZIP41.7Arkansas38.5US 38.9 |
| Median household income | $63,462This ZIP$63,462Arkansas$60,773US $80,734 |
| Median home value | $118,500This ZIP$118,500Arkansas$188,000US $332,700 |
| Median gross rent | $933This ZIP$933Arkansas$947US $1,413 |
| Bachelor's degree or higher | 10.4%This ZIP10.4% |
| Mean commute | 17.9 minThis ZIP17.9 min |
| Population density | 96.2 / sq miThis ZIP96.2 / sq mi |
Business and tax activity
| Business establishments | 21This ZIP21 |
|---|---|
| Employees | 261This ZIP261 |
| Annual payroll | $12,386,000This ZIP$12,386,000 |
| Tax returns filed | 500This ZIP500 |
| Total adjusted gross income | $26,696,000This ZIP$26,696,000 |
Land area
| Land area | 11.06 sq miThis ZIP11.06 sq mi |
|---|---|
| Water area | 8.16 sq miThis ZIP8.16 sq mi |
Other place names in 72845
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 72845
| ZIP | City | Distance |
|---|---|---|
72847 | London, AR | 6.3 mi |
72835 | Delaware, AR | 6.4 mi |
72863 | Scranton, AR | 7.5 mi |
72851 | New Blaine, AR | 8.1 mi |
72846 | Lamar, AR | 8.9 mi |
72865 | Subiaco, AR | 10.5 mi |
72830 | Clarksville, AR | 13.1 mi |
72801 | Russellville, AR | 14.5 mi |
72811 | Russellville, AR | 14.9 mi |
72840 | Hartman, AR | 14.9 mi |
Find every ZIP code within 10 miles of 72845 →
Questions about this ZIP code
Where is ZIP code 72845?
72845 is in Knoxville, Arkansas, in Johnson County. Its published point location is 35.3616, -93.3779.
What county is 72845 in?
72845 lies in Johnson County.
What area code is 72845?
Knoxville uses area code 479, from NANPA's telephone records.
What time zone is 72845 in?
72845 uses America/Chicago.
How many people live in 72845?
About 1,063 people live in ZIP code 72845, in 480 households, at 96.2 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 72845?
$63,462 a year, against $60,773 across Arkansas.
What ZIP codes are near 72845?
The closest are 72847 (6.3 mi), 72835 (6.4 mi), 72863 (7.5 mi), 72851 (8.1 mi) and 72846 (8.9 mi).
Is 72845 a PO Box ZIP code?
72845 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “72845 ZIP Code — Knoxville, Arkansas (Johnson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/72845
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/72845.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.