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zipcodes.pro — ZIP/61378

61378

ZIP 61378 is West Brooklyn, Illinois, in Lee County; area code 815; Central time.

Type
Standard
Time zone
America/Chicago
County
Lee
Metro area
Dixon, IL
Population
513
Coordinates
41.7227, -89.1554
☼ Live from 61378 — West Brooklyn, IL

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Local time: —

Where 61378 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 61378
  • 🔢 Type 61378 into a pocket calculator and turn it upside down: BLEIg — not quite a word, sorry.
  • ➕ As a number, 61,378 = 2 × 30689. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110111111000010
  • 🏠 Its numerical neighbours: 61377 (Wenona, IL, 46 mi away) and 61379 (Wyanet, IL, 33 mi away).
  • 🔄 Backwards, 61378 becomes 87316 — and that is a real ZIP code: Fort Wingate, NM, 1,128 miles away.
  • 👥 43 other ZIP codes are made of exactly the same digits (13678, 13687, 13786, 16738, 16837, 16873, …). The farthest-flung twin is 83617 in Emmett, ID, 1,388 miles away.
  • 🧭 Farther north than 73% of all ZIP codes, and farther west than 54%.
  • 🎯510 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 61378 and you would come out at 41.72°S, 90.84°E — 1,124 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 13m of daylight. Shortest: 9h 09m.
  • 📏 At 60.6 square miles of land, 61378 is bigger than 65% of ZIP codes — room for about 46 Central Parks.
🌙 The sky over 61378 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population513This ZIP513
Households181This ZIP181
Housing units200This ZIP200
Median age29.8This ZIP29.8Illinois39.0US 38.9
Median household income$85,350This ZIP$85,350Illinois$83,390US $80,734
Median home value$188,600This ZIP$188,600Illinois$263,300US $332,700
Median gross rent$1,167This ZIP$1,167Illinois$1,274US $1,413
Bachelor's degree or higher21.9%This ZIP21.9%
Mean commute38.6 minThis ZIP38.6 min
Population density8.5 / sq miThis ZIP8.5 / sq mi

Business and tax activity

Business establishments12This ZIP12
Employees39This ZIP39
Annual payroll$2,752,000This ZIP$2,752,000
Tax returns filed220This ZIP220
Total adjusted gross income$20,646,000This ZIP$20,646,000

Land area

Land area60.58 sq miThis ZIP60.58 sq mi
Water area0.12 sq miThis ZIP0.12 sq mi

Other place names in 61378

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

ZIP codes near 61378

ZIPCityDistance
61318 Compton, IL 4.1 mi
61331 Lee Center, IL 6.5 mi
61353 Paw Paw, IL 8.6 mi
61367 Sublette, IL 8.8 mi
60553 Steward, IL 9.3 mi
61006 Ashton, IL 9.9 mi
61310 Amboy, IL 10.4 mi
61031 Franklin Grove, IL 11.3 mi
60530 Lee, IL 11.7 mi
61342 Mendota, IL 12.9 mi

Find every ZIP code within 10 miles of 61378 →

Questions about this ZIP code

Where is ZIP code 61378?

61378 is in West Brooklyn, Illinois, in Lee County, part of the Dixon, IL micropolitan area. Its published point location is 41.7227, -89.1554.

What county is 61378 in?

61378 lies in Lee County.

What area code is 61378?

West Brooklyn uses area code 815, from NANPA's telephone records.

What time zone is 61378 in?

61378 uses America/Chicago.

How many people live in 61378?

About 513 people live in ZIP code 61378, in 181 households, at 8.5 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 61378?

$85,350 a year, against $83,390 across Illinois.

What ZIP codes are near 61378?

The closest are 61318 (4.1 mi), 61331 (6.5 mi), 61353 (8.6 mi), 61367 (8.8 mi) and 60553 (9.3 mi).

Is 61378 a PO Box ZIP code?

61378 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “61378 ZIP Code — West Brooklyn, Illinois (Lee County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61378

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