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zipcodes.pro — ZIP/61233

61233

ZIP 61233 is Andover, Illinois, in Henry County; area code 309; Central time.

Type
Standard
Time zone
America/Chicago
County
Henry
Population
281
Coordinates
41.2947, -90.2913
☼ Live from 61233 — Andover, IL

Weather right now

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Local time: —

Where 61233 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 61233
  • 🔢 Type 61233 into a pocket calculator and turn it upside down: EEZIg — not quite a word, sorry.
  • ➕ As a number, 61,233 = 3 × 20411. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110111100110001
  • 🏠 Its numerical neighbours: 61232 (Andalusia, IL, 25 mi away) and 61234 (Annawan, IL, 21 mi away).
  • 🔄 Backwards, 61233 becomes 33216, which is not a ZIP code at all.
  • 👥 32 other ZIP codes are made of exactly the same digits (13326, 13362, 13623, 13632, 16233, 16323, …). The farthest-flung twin is 33261 in Miami, FL, 1,218 miles away.
  • 🧭 Farther north than 69% of all ZIP codes, and farther west than 57%.
  • 🎯447 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 61233 and you would come out at 41.29°S, 89.71°E — 1,094 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 10m of daylight. Shortest: 9h 11m.
  • 📏 At 0.719 square miles of land, 61233 is bigger than 7% of ZIP codes — about 348 football fields.
🌙 The sky over 61233 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population281This ZIP281
Households116This ZIP116
Housing units116This ZIP116
Median age46.4This ZIP46.4Illinois39.0US 38.9
Median household income$71,667This ZIP$71,667Illinois$83,390US $80,734
Median home value$182,600This ZIP$182,600Illinois$263,300US $332,700
Median gross rent$750This ZIP$750Illinois$1,274US $1,413
Bachelor's degree or higher23.2%This ZIP23.2%
Mean commute30.5 minThis ZIP30.5 min
Population density390.8 / sq miThis ZIP390.8 / sq mi

Business and tax activity

Business establishments11This ZIP11
Employees45This ZIP45
Annual payroll$1,412,000This ZIP$1,412,000

Land area

Land area0.72 sq miThis ZIP0.72 sq mi
Water area0.00 sq mi

Other place names in 61233

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

ZIP codes near 61233

ZIPCityDistance
61262 Lynn Center, IL 3.2 mi
61274 Osco, IL 5.3 mi
61468 Ophiem, IL 5.6 mi
61238 Cambridge, IL 6.2 mi
61273 Orion, IL 7.4 mi
61490 Woodhull, IL 7.7 mi
61413 Alpha, IL 8.5 mi
61419 Bishop Hill, IL 11.2 mi
61465 New Windsor, IL 11.4 mi
61240 Coal Valley, IL 11.7 mi

Find every ZIP code within 10 miles of 61233 →

Questions about this ZIP code

Where is ZIP code 61233?

61233 is in Andover, Illinois, in Henry County, part of the Davenport-Moline-Rock Island, IA-IL metropolitan area. Its published point location is 41.2947, -90.2913.

What county is 61233 in?

61233 lies in Henry County.

What area code is 61233?

Andover uses area code 309, from NANPA's telephone records.

What time zone is 61233 in?

61233 uses America/Chicago.

How many people live in 61233?

About 281 people live in ZIP code 61233, in 116 households, at 390.8 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 61233?

$71,667 a year, against $83,390 across Illinois.

What ZIP codes are near 61233?

The closest are 61262 (3.2 mi), 61274 (5.3 mi), 61468 (5.6 mi), 61238 (6.2 mi) and 61273 (7.4 mi).

Is 61233 a PO Box ZIP code?

61233 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “61233 ZIP Code — Andover, Illinois (Henry County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61233

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