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zipcodes.pro — ZIP/61721

61721

ZIP 61721 is Armington, Illinois, mostly in Tazewell County; Central time.

Type
Standard
Time zone
America/Chicago
County
Tazewell +1 more
Metro area
Peoria, IL
Population
552
Coordinates
40.3508, -89.3235
☼ Live from 61721 — Armington, IL

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Local time: —

Where 61721 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 61721
  • 🔢 Type 61721 into a pocket calculator and turn it upside down: IZLIg — not quite a word, sorry.
  • ➕ As a number, 61,721 = 11 × 31 × 181. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111000100011001
  • 🏠 Its numerical neighbours: 61720 (Anchor, IL, 45 mi away) and 61722 (Arrowsmith, IL, 37 mi away).
  • 🔄 Backwards, 61721 becomes 12716, which is not a ZIP code at all.
  • 👥 25 other ZIP codes are made of exactly the same digits (11726, 11762, 12167, 12176, 16127, 16172, …). The farthest-flung twin is 11726 in Copiague, NY, 836 miles away.
  • 🧭 Farther north than 60% of all ZIP codes, and farther west than 54%.
  • 🎯490 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 61721 and you would come out at 40.35°S, 90.68°E — 1,174 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
  • 📏 At 34.2 square miles of land, 61721 is bigger than 49% of ZIP codes — room for about 26 Central Parks.
🌙 The sky over 61721 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population552This ZIP552
Households194This ZIP194
Housing units219This ZIP219
Median age45.8This ZIP45.8Illinois39.0US 38.9
Median household income$91,500This ZIP$91,500Illinois$83,390US $80,734
Median home value$141,400This ZIP$141,400Illinois$263,300US $332,700
Median gross rent$1,656This ZIP$1,656Illinois$1,274US $1,413
Bachelor's degree or higher35.1%This ZIP35.1%
Mean commute25.2 minThis ZIP25.2 min
Population density16.2 / sq miThis ZIP16.2 / sq mi

Business and tax activity

Business establishments7This ZIP7
Employees20This ZIP20
Annual payroll$951,000This ZIP$951,000
Tax returns filed260This ZIP260
Total adjusted gross income$19,334,000This ZIP$19,334,000

Land area

Land area34.16 sq miThis ZIP34.16 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Counties 61721 spans

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

CountyShare of this ZIP
Tazewell County 85.7%
Logan County 14.3%

Other place names in 61721

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

ZIP codes near 61721

ZIPCityDistance
61759 Minier, IL 6.0 mi
61723 Atlanta, IL 6.4 mi
61747 Hopedale, IL 7.4 mi
62635 Emden, IL 8.4 mi
61754 Mc Lean, IL 8.7 mi
61774 Stanford, IL 8.8 mi
61751 Lawndale, IL 9.5 mi
62643 Hartsburg, IL 10.3 mi
61734 Delavan, IL 10.8 mi
61755 Mackinaw, IL 12.2 mi

Find every ZIP code within 10 miles of 61721 →

Questions about this ZIP code

Where is ZIP code 61721?

61721 is in Armington, Illinois, in Tazewell County, part of the Peoria, IL metropolitan area. Its published point location is 40.3508, -89.3235.

What county is 61721 in?

61721 spans 2 counties: Tazewell County and Logan County. Most of it falls in Tazewell 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 time zone is 61721 in?

61721 uses America/Chicago.

How many people live in 61721?

About 552 people live in ZIP code 61721, in 194 households, at 16.2 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 61721?

$91,500 a year, against $83,390 across Illinois.

What ZIP codes are near 61721?

The closest are 61759 (6 mi), 61723 (6.4 mi), 61747 (7.4 mi), 62635 (8.4 mi) and 61754 (8.7 mi).

Is 61721 a PO Box ZIP code?

61721 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “61721 ZIP Code — Armington, Illinois (Tazewell County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61721

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