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zipcodes.pro — ZIP/61342

61342

ZIP 61342 is Mendota, Illinois, mostly in LaSalle County; area codes 815 and 779; Central time.

Type
Standard
Time zone
America/Chicago
County
LaSalle +2 more
Metro area
Ottawa, IL
Population
8,543
Coordinates
41.5437, -89.0841
☼ Live from 61342 — Mendota, IL

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Local time: —

Where 61342 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 61342
  • 🔢 Type 61342 into a pocket calculator and turn it upside down: ZhEIg — not quite a word, sorry.
  • ➕ As a number, 61,342 = 2 × 30671. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110111110011110
  • 🏠 Its numerical neighbours: 61341 (Marseilles, IL, 24 mi away) and 61344 (Mineral, IL, 40 mi away).
  • 🔄 Backwards, 61342 becomes 24316 — and that is a real ZIP code: Broadford, VA, 508 miles away.
  • 👥 60 other ZIP codes are made of exactly the same digits (12436, 12463, 13426, 13624, 13642, 14263, …). The farthest-flung twin is 34216 in Anna Maria, FL, 1,032 miles away.
  • 🧭 Farther north than 71% of all ZIP codes, and farther west than 53%.
  • 🎯511 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 61342 and you would come out at 41.54°S, 90.92°E — 1,134 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
  • 📏 At 108.2 square miles of land, 61342 is bigger than 80% of ZIP codes — room for about 82 Central Parks.
🌙 The sky over 61342 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population8,543This ZIP8,543
Households3,487This ZIP3,487
Housing units3,848This ZIP3,848
Median age41.5This ZIP41.5Illinois39.0US 38.9
Median household income$65,348This ZIP$65,348Illinois$83,390US $80,734
Median home value$153,500This ZIP$153,500Illinois$263,300US $332,700
Median gross rent$794This ZIP$794Illinois$1,274US $1,413
Bachelor's degree or higher22.0%This ZIP22.0%
Mean commute20.6 minThis ZIP20.6 min
Population density79.0 / sq miThis ZIP79.0 / sq mi

Business and tax activity

Business establishments197This ZIP197
Employees2,672This ZIP2,672
Annual payroll$136,971,000This ZIP$136,971,000
Tax returns filed4,120This ZIP4,120
Total adjusted gross income$284,536,000This ZIP$284,536,000

Land area

Land area108.16 sq miThis ZIP108.16 sq mi
Water area0.14 sq miThis ZIP0.14 sq mi

Counties 61342 spans

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

CountyShare of this ZIP
LaSalle County 86.9%
Bureau County 8.1%
Lee County 5.0%

Other place names in 61342

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

ZIP codes near 61342

ZIPCityDistance
61371 Triumph, IL 4.5 mi
61372 Troy Grove, IL 5.4 mi
60518 Earlville, IL 9.3 mi
61330 La Moille, IL 10.0 mi
61317 Cherry, IL 10.0 mi
61301 La Salle, IL 10.1 mi
61373 Utica, IL 10.5 mi
61312 Arlington, IL 10.5 mi
61367 Sublette, IL 10.5 mi
61318 Compton, IL 11.6 mi

Find every ZIP code within 10 miles of 61342 →

Questions about this ZIP code

Where is ZIP code 61342?

61342 is in Mendota, Illinois, in LaSalle County, part of the Ottawa, IL micropolitan area. Its published point location is 41.5437, -89.0841.

What county is 61342 in?

61342 spans 3 counties: LaSalle County, Bureau County and Lee County. Most of it falls in LaSalle 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 61342?

Mendota uses area codes 815 and 779, from NANPA's telephone records.

What time zone is 61342 in?

61342 uses America/Chicago.

How many people live in 61342?

About 8,543 people live in ZIP code 61342, in 3,487 households, at 79.0 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 61342?

$65,348 a year, against $83,390 across Illinois.

What ZIP codes are near 61342?

The closest are 61371 (4.5 mi), 61372 (5.4 mi), 60518 (9.3 mi), 61330 (10 mi) and 61317 (10 mi).

Is 61342 a PO Box ZIP code?

61342 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “61342 ZIP Code — Mendota, Illinois (LaSalle County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61342

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